CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available" lang="ca" dir="ltr"> <head> <meta charset="UTF-8"> <title>Sodi - Viquipèdia, l'enciclopèdia lliure</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available";var cookie=document.cookie.match(/(?:^|; )cawikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":[",\t.",".\t,"],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy","wgMonthNames":["","gener","febrer","març","abril","maig","juny","juliol","agost","setembre","octubre","novembre","desembre"],"wgRequestId":"8d04f154-ae0f-46ad-a9d7-292b68d8d9bb","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Sodi","wgTitle":"Sodi","wgCurRevisionId":34468376,"wgRevisionId":34468376,"wgArticleId":18983,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Pàgines amb arguments formatnum no numèrics","Pàgines amb enllaç commonscat des de Wikidata","Control d'autoritats","Sodi"],"wgPageViewLanguage":"ca","wgPageContentLanguage":"ca","wgPageContentModel":"wikitext","wgRelevantPageName":"Sodi","wgRelevantArticleId":18983,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"ca","pageLanguageDir":"ltr","pageVariantFallbacks":"ca"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":40000,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q658","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGELevelingUpEnabledForUser":false}; RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","ext.math.styles":"ready","ext.tmh.player.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","wikibase.client.data-bridge.externalModifiers":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","mediawiki.page.media","ext.tmh.player","site","mediawiki.page.ready","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.UkensKonkurranse","ext.gadget.refToolbar","ext.gadget.charinsert","ext.gadget.AltresViccionari","ext.gadget.purgetab","ext.gadget.DocTabs","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","wikibase.client.data-bridge.init","ext.checkUser.clientHints","ext.quicksurveys.init","ext.growthExperiments.SuggestedEditSession","oojs-ui.styles.icons-media","oojs-ui-core.icons"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=ca&modules=ext.cite.styles%7Cext.math.styles%7Cext.tmh.player.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.data-bridge.externalModifiers%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=ca&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=ca&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.23"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/Na_%28Sodium%29.jpg/1200px-Na_%28Sodium%29.jpg"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="900"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/Na_%28Sodium%29.jpg/960px-Na_%28Sodium%29.jpg"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="600"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="480"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Sodi - Viquipèdia, l'enciclopèdia lliure"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//ca.m.wikipedia.org/wiki/Sodi"> <link rel="alternate" type="application/x-wiki" title="Modifica" href="/w/index.php?title=Sodi&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Viquipèdia (ca)"> <link rel="EditURI" type="application/rsd+xml" href="//ca.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://ca.wikipedia.org/wiki/Sodi"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.ca"> <link rel="alternate" type="application/atom+xml" title="Canal de sindicació Atom Viquipèdia" href="/w/index.php?title=Especial:Canvis_recents&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="auth.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Sodi rootpage-Sodi skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Vés al contingut</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Lloc"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" title="Menú principal" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Menú principal" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Menú principal</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Menú principal</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">mou a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">amaga</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navegació </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Portada" title="Visiteu la pàgina principal [z]" accesskey="z"><span>Portada</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Especial:Article_aleatori" title="Carrega una pàgina a l’atzar [x]" accesskey="x"><span>Article a l'atzar</span></a></li><li id="n-Articles-de-qualitat" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:Articles_de_qualitat"><span>Articles de qualitat</span></a></li><li id="n-specialpages" class="mw-list-item"><a href="/wiki/Especial:P%C3%A0gines_especials"><span>Pàgines especials</span></a></li> </ul> </div> </div> <div id="p-Comunitat" class="vector-menu mw-portlet mw-portlet-Comunitat" > <div class="vector-menu-heading"> Comunitat </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-portal" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:Portal" title="Sobre el projecte, què podeu fer, on trobareu les coses"><span>Portal viquipedista</span></a></li><li id="n-Agenda-d'actes" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:Trobades"><span>Agenda d'actes</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Especial:Canvis_recents" title="Una llista dels canvis recents al wiki [r]" accesskey="r"><span>Canvis recents</span></a></li><li id="n-La-taverna" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:La_taverna"><span>La taverna</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:Contacte"><span>Contacte</span></a></li><li id="n-Xat" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:Canals_IRC"><span>Xat</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Viquip%C3%A8dia:Ajuda" title="El lloc per a saber més coses"><span>Ajuda</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Portada" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Viquipèdia" src="/static/images/mobile/copyright/wikipedia-wordmark-ca.svg" style="width: 7.5em; height: 1.4375em;"> <img class="mw-logo-tagline" alt="l'Enciclopèdia Lliure" src="/static/images/mobile/copyright/wikipedia-tagline-ca.svg" width="120" height="14" style="width: 7.5em; height: 0.875em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Especial:Cerca" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Cerca a la Viquipèdia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Cerca</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Cerca a Viquipèdia" aria-label="Cerca a Viquipèdia" autocapitalize="sentences" title="Cerca a la Viquipèdia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Especial:Cerca"> </div> <button class="cdx-button cdx-search-input__end-button">Cerca</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Eines personals"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Aparença"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Modificar la dimension, la largor e la color del tèxte." > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Aparença" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Aparença</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=ca.wikipedia.org&uselang=ca" class=""><span>Donatius</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Crea_compte&returnto=Sodi" title="Us animem a crear un compte i iniciar una sessió, encara que no és obligatori" class=""><span>Crea un compte</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Registre_i_entrada&returnto=Sodi" title="Us animem a registrar-vos, però no és obligatori [o]" accesskey="o" class=""><span>Inicia la sessió</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Més opcions" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Eines personals" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Eines personals</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Menú d'usuari" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=ca.wikipedia.org&uselang=ca"><span>Donatius</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Crea_compte&returnto=Sodi" title="Us animem a crear un compte i iniciar una sessió, encara que no és obligatori"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Crea un compte</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Registre_i_entrada&returnto=Sodi" title="Us animem a registrar-vos, però no és obligatori [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Inicia la sessió</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pàgines per a editors no registrats <a href="/wiki/Ajuda:Introducci%C3%B3" aria-label="Vegeu més informació sobre l'edició"><span>més informació</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Especial:Contribucions_pr%C3%B2pies" title="Una llista de les modificacions fetes des d'aquesta adreça IP [y]" accesskey="y"><span>Contribucions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Especial:Discussi%C3%B3_personal" title="Discussió sobre les edicions per aquesta adreça ip. [n]" accesskey="n"><span>Discussió per aquest IP</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Lloc"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contingut" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contingut</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mou a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">amaga</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inici</div> </a> </li> <li id="toc-Història" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Història"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Història</span> </div> </a> <ul id="toc-Història-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Abundància" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Abundància"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Abundància</span> </div> </a> <ul id="toc-Abundància-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Obtenció" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Obtenció"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Obtenció</span> </div> </a> <ul id="toc-Obtenció-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Propietats" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Propietats"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Propietats</span> </div> </a> <button aria-controls="toc-Propietats-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Commuta la subsecció Propietats</span> </button> <ul id="toc-Propietats-sublist" class="vector-toc-list"> <li id="toc-Propietats_físiques" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Propietats_físiques"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Propietats físiques</span> </div> </a> <ul id="toc-Propietats_físiques-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Propietats_químiques" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Propietats_químiques"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Propietats químiques</span> </div> </a> <ul id="toc-Propietats_químiques-sublist" class="vector-toc-list"> <li id="toc-Reaccions_amb_metalls" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Reaccions_amb_metalls"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2.1</span> <span>Reaccions amb metalls</span> </div> </a> <ul id="toc-Reaccions_amb_metalls-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reaccions_amb_l'oxigen_i_òxids" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Reaccions_amb_l'oxigen_i_òxids"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2.2</span> <span>Reaccions amb l'oxigen i òxids</span> </div> </a> <ul id="toc-Reaccions_amb_l'oxigen_i_òxids-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reaccions_amb_els_elements_del_grup_14" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Reaccions_amb_els_elements_del_grup_14"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2.3</span> <span>Reaccions amb els elements del grup 14</span> </div> </a> <ul id="toc-Reaccions_amb_els_elements_del_grup_14-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reaccions_amb_els_elements_del_grup_15" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Reaccions_amb_els_elements_del_grup_15"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2.4</span> <span>Reaccions amb els elements del grup 15</span> </div> </a> <ul id="toc-Reaccions_amb_els_elements_del_grup_15-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reaccions_amb_els_elements_del_grup_16" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Reaccions_amb_els_elements_del_grup_16"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2.5</span> <span>Reaccions amb els elements del grup 16</span> </div> </a> <ul id="toc-Reaccions_amb_els_elements_del_grup_16-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reaccions_amb_els_elements_del_grup_17" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Reaccions_amb_els_elements_del_grup_17"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2.6</span> <span>Reaccions amb els elements del grup 17</span> </div> </a> <ul id="toc-Reaccions_amb_els_elements_del_grup_17-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reaccions_amb_àcids_i_bases" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Reaccions_amb_àcids_i_bases"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2.7</span> <span>Reaccions amb àcids i bases</span> </div> </a> <ul id="toc-Reaccions_amb_àcids_i_bases-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reaccions_amb_composts_orgànics" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Reaccions_amb_composts_orgànics"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2.8</span> <span>Reaccions amb composts orgànics</span> </div> </a> <ul id="toc-Reaccions_amb_composts_orgànics-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Composts_més_importants" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Composts_més_importants"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2.9</span> <span>Composts més importants</span> </div> </a> <ul id="toc-Composts_més_importants-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </li> <li id="toc-Isòtops" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Isòtops"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Isòtops</span> </div> </a> <ul id="toc-Isòtops-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Aplicacions" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Aplicacions"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Aplicacions</span> </div> </a> <button aria-controls="toc-Aplicacions-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Commuta la subsecció Aplicacions</span> </button> <ul id="toc-Aplicacions-sublist" class="vector-toc-list"> <li id="toc-Indústria_alimentària" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Indústria_alimentària"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Indústria alimentària</span> </div> </a> <ul id="toc-Indústria_alimentària-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Indústria_química" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Indústria_química"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.2</span> <span>Indústria química</span> </div> </a> <ul id="toc-Indústria_química-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Altres_camps" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Altres_camps"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.3</span> <span>Altres camps</span> </div> </a> <ul id="toc-Altres_camps-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Funcions_biològiques" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Funcions_biològiques"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Funcions biològiques</span> </div> </a> <ul id="toc-Funcions_biològiques-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Precaucions" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Precaucions"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Precaucions</span> </div> </a> <ul id="toc-Precaucions-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referències" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referències"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Referències</span> </div> </a> <ul id="toc-Referències-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Enllaços_externs" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Enllaços_externs"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>Enllaços externs</span> </div> </a> <ul id="toc-Enllaços_externs-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contingut" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Taula de continguts" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Commuta la taula de continguts." > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Commuta la taula de continguts.</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Sodi</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Vés a un article en una altra llengua. Disponible en 174 llengües" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-174" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">174 llengües</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Natrium" title="Natrium - afrikaans" lang="af" hreflang="af" data-title="Natrium" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%88%B6%E1%8B%B2%E1%8B%A8%E1%88%9D" title="ሶዲየም - amhàric" lang="am" hreflang="am" data-title="ሶዲየም" data-language-autonym="አማርኛ" data-language-local-name="amhàric" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Sodio" title="Sodio - aragonès" lang="an" hreflang="an" data-title="Sodio" data-language-autonym="Aragonés" data-language-local-name="aragonès" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%B8%E0%A5%8B%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सोडियम - angika" lang="anp" hreflang="anp" data-title="सोडियम" data-language-autonym="अंगिका" data-language-local-name="angika" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar badge-Q17437798 badge-goodarticle mw-list-item" title="article bo"><a href="https://ar.wikipedia.org/wiki/%D8%B5%D9%88%D8%AF%D9%8A%D9%88%D9%85" title="صوديوم - àrab" lang="ar" hreflang="ar" data-title="صوديوم" data-language-autonym="العربية" data-language-local-name="àrab" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B5%D9%88%D8%AF%D9%8A%D9%88%D9%85" title="صوديوم - Moroccan Arabic" lang="ary" hreflang="ary" data-title="صوديوم" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%B5%D9%88%D8%AF%D9%8A%D9%88%D9%85" title="صوديوم - àrab egipci" lang="arz" hreflang="arz" data-title="صوديوم" data-language-autonym="مصرى" data-language-local-name="àrab egipci" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Sodiu" title="Sodiu - asturià" lang="ast" hreflang="ast" data-title="Sodiu" data-language-autonym="Asturianu" data-language-local-name="asturià" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-awa mw-list-item"><a href="https://awa.wikipedia.org/wiki/%E0%A4%B8%E0%A5%8B%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सोडियम - awadhi" lang="awa" hreflang="awa" data-title="सोडियम" data-language-autonym="अवधी" data-language-local-name="awadhi" class="interlanguage-link-target"><span>अवधी</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Natrium" title="Natrium - azerbaidjanès" lang="az" hreflang="az" data-title="Natrium" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaidjanès" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%B3%D9%88%D8%AF%DB%8C%D9%88%D9%85" title="سودیوم - South Azerbaijani" lang="azb" hreflang="azb" data-title="سودیوم" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Natrium" title="Natrium - balinès" lang="ban" hreflang="ban" data-title="Natrium" data-language-autonym="Basa Bali" data-language-local-name="balinès" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Sodyo" title="Sodyo - Central Bikol" lang="bcl" hreflang="bcl" data-title="Sodyo" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D1%8B%D0%B9" title="Натрый - belarús" lang="be" hreflang="be" data-title="Натрый" data-language-autonym="Беларуская" data-language-local-name="belarús" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D0%B0%D1%80" title="Натар - Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Натар" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B9" title="Натрий - búlgar" lang="bg" hreflang="bg" data-title="Натрий" data-language-autonym="Български" data-language-local-name="búlgar" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%B8%E0%A5%8B%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सोडियम - Bhojpuri" lang="bh" hreflang="bh" data-title="सोडियम" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-blk mw-list-item"><a href="https://blk.wikipedia.org/wiki/%E1%80%9E%E1%80%AD%E1%80%AF%E1%80%92%E1%80%AE%E1%80%9A%E1%80%99%E1%80%BA" title="သိုဒီယမ် - Pa'O" lang="blk" hreflang="blk" data-title="သိုဒီယမ်" data-language-autonym="ပအိုဝ်ႏဘာႏသာႏ" data-language-local-name="Pa'O" class="interlanguage-link-target"><span>ပအိုဝ်ႏဘာႏသာႏ</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A7%8B%E0%A6%A1%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%AE" title="সোডিয়াম - bengalí" lang="bn" hreflang="bn" data-title="সোডিয়াম" data-language-autonym="বাংলা" data-language-local-name="bengalí" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%96%E0%BD%B4%E0%BD%A3%E0%BC%8B%E0%BD%A2%E0%BE%AB%E0%BD%A6%E0%BC%8D" title="བུལ་རྫས། - tibetà" lang="bo" hreflang="bo" data-title="བུལ་རྫས།" data-language-autonym="བོད་ཡིག" data-language-local-name="tibetà" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Sodiom" title="Sodiom - bretó" lang="br" hreflang="br" data-title="Sodiom" data-language-autonym="Brezhoneg" data-language-local-name="bretó" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs badge-Q17437796 badge-featuredarticle mw-list-item" title="article de qualitat"><a href="https://bs.wikipedia.org/wiki/Natrij" title="Natrij - bosnià" lang="bs" hreflang="bs" data-title="Natrij" data-language-autonym="Bosanski" data-language-local-name="bosnià" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/N%C4%83k" title="Năk - Mindong" lang="cdo" hreflang="cdo" data-title="Năk" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Sodio" title="Sodio - cebuà" lang="ceb" hreflang="ceb" data-title="Sodio" data-language-autonym="Cebuano" data-language-local-name="cebuà" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%B3%DB%86%D8%AF%DB%8C%DB%86%D9%85" title="سۆدیۆم - kurd central" lang="ckb" hreflang="ckb" data-title="سۆدیۆم" data-language-autonym="کوردی" data-language-local-name="kurd central" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Sodiu" title="Sodiu - cors" lang="co" hreflang="co" data-title="Sodiu" data-language-autonym="Corsu" data-language-local-name="cors" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Sod%C3%ADk" title="Sodík - txec" lang="cs" hreflang="cs" data-title="Sodík" data-language-autonym="Čeština" data-language-local-name="txec" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B9" title="Натрий - txuvaix" lang="cv" hreflang="cv" data-title="Натрий" data-language-autonym="Чӑвашла" data-language-local-name="txuvaix" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Sodiwm" title="Sodiwm - gal·lès" lang="cy" hreflang="cy" data-title="Sodiwm" data-language-autonym="Cymraeg" data-language-local-name="gal·lès" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Natrium" title="Natrium - danès" lang="da" hreflang="da" data-title="Natrium" data-language-autonym="Dansk" data-language-local-name="danès" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de badge-Q17437798 badge-goodarticle mw-list-item" title="article bo"><a href="https://de.wikipedia.org/wiki/Natrium" title="Natrium - alemany" lang="de" hreflang="de" data-title="Natrium" data-language-autonym="Deutsch" data-language-local-name="alemany" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-dv mw-list-item"><a href="https://dv.wikipedia.org/wiki/%DE%90%DE%AF%DE%91%DE%A8%DE%87%DE%A6%DE%89%DE%B0" title="ސޯޑިއަމް - divehi" lang="dv" hreflang="dv" data-title="ސޯޑިއަމް" data-language-autonym="ދިވެހިބަސް" data-language-local-name="divehi" class="interlanguage-link-target"><span>ދިވެހިބަސް</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9D%CE%AC%CF%84%CF%81%CE%B9%CE%BF" title="Νάτριο - grec" lang="el" hreflang="el" data-title="Νάτριο" data-language-autonym="Ελληνικά" data-language-local-name="grec" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="article bo"><a href="https://en.wikipedia.org/wiki/Sodium" title="Sodium - anglès" lang="en" hreflang="en" data-title="Sodium" data-language-autonym="English" data-language-local-name="anglès" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Natrio" title="Natrio - esperanto" lang="eo" hreflang="eo" data-title="Natrio" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Sodio" title="Sodio - espanyol" lang="es" hreflang="es" data-title="Sodio" data-language-autonym="Español" data-language-local-name="espanyol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Naatrium" title="Naatrium - estonià" lang="et" hreflang="et" data-title="Naatrium" data-language-autonym="Eesti" data-language-local-name="estonià" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Sodio" title="Sodio - basc" lang="eu" hreflang="eu" data-title="Sodio" data-language-autonym="Euskara" data-language-local-name="basc" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-ext mw-list-item"><a href="https://ext.wikipedia.org/wiki/Sodiu" title="Sodiu - extremeny" lang="ext" hreflang="ext" data-title="Sodiu" data-language-autonym="Estremeñu" data-language-local-name="extremeny" class="interlanguage-link-target"><span>Estremeñu</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B3%D8%AF%DB%8C%D9%85" title="سدیم - persa" lang="fa" hreflang="fa" data-title="سدیم" data-language-autonym="فارسی" data-language-local-name="persa" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Natrium" title="Natrium - finès" lang="fi" hreflang="fi" data-title="Natrium" data-language-autonym="Suomi" data-language-local-name="finès" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Natrium" title="Natrium - feroès" lang="fo" hreflang="fo" data-title="Natrium" data-language-autonym="Føroyskt" data-language-local-name="feroès" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Sodium" title="Sodium - francès" lang="fr" hreflang="fr" data-title="Sodium" data-language-autonym="Français" data-language-local-name="francès" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Naatrium" title="Naatrium - frisó septentrional" lang="frr" hreflang="frr" data-title="Naatrium" data-language-autonym="Nordfriisk" data-language-local-name="frisó septentrional" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Sodi" title="Sodi - friülà" lang="fur" hreflang="fur" data-title="Sodi" data-language-autonym="Furlan" data-language-local-name="friülà" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Natrium" title="Natrium - frisó occidental" lang="fy" hreflang="fy" data-title="Natrium" data-language-autonym="Frysk" data-language-local-name="frisó occidental" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/S%C3%B3idiam" title="Sóidiam - irlandès" lang="ga" hreflang="ga" data-title="Sóidiam" data-language-autonym="Gaeilge" data-language-local-name="irlandès" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E9%88%89" title="鈉 - xinès gan" lang="gan" hreflang="gan" data-title="鈉" data-language-autonym="贛語" data-language-local-name="xinès gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/S%C3%B2idium" title="Sòidium - gaèlic escocès" lang="gd" hreflang="gd" data-title="Sòidium" data-language-autonym="Gàidhlig" data-language-local-name="gaèlic escocès" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Sodio" title="Sodio - gallec" lang="gl" hreflang="gl" data-title="Sodio" data-language-autonym="Galego" data-language-local-name="gallec" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%B8%E0%AB%8B%E0%AA%A1%E0%AA%BF%E0%AA%AF%E0%AA%AE" title="સોડિયમ - gujarati" lang="gu" hreflang="gu" data-title="સોડિયમ" data-language-autonym="ગુજરાતી" data-language-local-name="gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Sodjum" title="Sodjum - manx" lang="gv" hreflang="gv" data-title="Sodjum" data-language-autonym="Gaelg" data-language-local-name="manx" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Na%CC%8Dp" title="Na̍p - xinès hakka" lang="hak" hreflang="hak" data-title="Na̍p" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="xinès hakka" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-haw mw-list-item"><a href="https://haw.wikipedia.org/wiki/Sodiuma" title="Sodiuma - hawaià" lang="haw" hreflang="haw" data-title="Sodiuma" data-language-autonym="Hawaiʻi" data-language-local-name="hawaià" class="interlanguage-link-target"><span>Hawaiʻi</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A0%D7%AA%D7%A8%D7%9F" title="נתרן - hebreu" lang="he" hreflang="he" data-title="נתרן" data-language-autonym="עברית" data-language-local-name="hebreu" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B8%E0%A5%8B%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सोडियम - hindi" lang="hi" hreflang="hi" data-title="सोडियम" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Sodium" title="Sodium - hindi de Fiji" lang="hif" hreflang="hif" data-title="Sodium" data-language-autonym="Fiji Hindi" data-language-local-name="hindi de Fiji" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Natrij" title="Natrij - croat" lang="hr" hreflang="hr" data-title="Natrij" data-language-autonym="Hrvatski" data-language-local-name="croat" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Sody%C3%B2m" title="Sodyòm - crioll d’Haití" lang="ht" hreflang="ht" data-title="Sodyòm" data-language-autonym="Kreyòl ayisyen" data-language-local-name="crioll d’Haití" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/N%C3%A1trium" title="Nátrium - hongarès" lang="hu" hreflang="hu" data-title="Nátrium" data-language-autonym="Magyar" data-language-local-name="hongarès" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%86%D5%A1%D5%BF%D6%80%D5%AB%D5%B8%D6%82%D5%B4" title="Նատրիում - armeni" lang="hy" hreflang="hy" data-title="Նատրիում" data-language-autonym="Հայերեն" data-language-local-name="armeni" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D5%86%D5%A1%D5%A9%D6%80%D5%AB%D5%B8%D5%B6" title="Նաթրիոն - Western Armenian" lang="hyw" hreflang="hyw" data-title="Նաթրիոն" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Sodium" title="Sodium - interlingua" lang="ia" hreflang="ia" data-title="Sodium" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Natrium" title="Natrium - indonesi" lang="id" hreflang="id" data-title="Natrium" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesi" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Natro" title="Natro - ido" lang="io" hreflang="io" data-title="Natro" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Natr%C3%ADn" title="Natrín - islandès" lang="is" hreflang="is" data-title="Natrín" data-language-autonym="Íslenska" data-language-local-name="islandès" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Sodio" title="Sodio - italià" lang="it" hreflang="it" data-title="Sodio" data-language-autonym="Italiano" data-language-local-name="italià" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%8A%E3%83%88%E3%83%AA%E3%82%A6%E3%83%A0" title="ナトリウム - japonès" lang="ja" hreflang="ja" data-title="ナトリウム" data-language-autonym="日本語" data-language-local-name="japonès" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/sodna" title="sodna - lojban" lang="jbo" hreflang="jbo" data-title="sodna" data-language-autonym="La .lojban." data-language-local-name="lojban" class="interlanguage-link-target"><span>La .lojban.</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Natriyum" title="Natriyum - javanès" lang="jv" hreflang="jv" data-title="Natriyum" data-language-autonym="Jawa" data-language-local-name="javanès" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9C%E1%83%90%E1%83%A2%E1%83%A0%E1%83%98%E1%83%A3%E1%83%9B%E1%83%98" title="ნატრიუმი - georgià" lang="ka" hreflang="ka" data-title="ნატრიუმი" data-language-autonym="ქართული" data-language-local-name="georgià" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kaa mw-list-item"><a href="https://kaa.wikipedia.org/wiki/N%D0%B0triy" title="Nаtriy - karakalpak" lang="kaa" hreflang="kaa" data-title="Nаtriy" data-language-autonym="Qaraqalpaqsha" data-language-local-name="karakalpak" class="interlanguage-link-target"><span>Qaraqalpaqsha</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/S%C9%94d%C9%A9y%C9%94m" title="Sɔdɩyɔm - Kabiye" lang="kbp" hreflang="kbp" data-title="Sɔdɩyɔm" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-ki mw-list-item"><a href="https://ki.wikipedia.org/wiki/Sodium" title="Sodium - kikuiu" lang="ki" hreflang="ki" data-title="Sodium" data-language-autonym="Gĩkũyũ" data-language-local-name="kikuiu" class="interlanguage-link-target"><span>Gĩkũyũ</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B9" title="Натрий - kazakh" lang="kk" hreflang="kk" data-title="Натрий" data-language-autonym="Қазақша" data-language-local-name="kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%B8%E0%B3%8B%E0%B2%A1%E0%B2%BF%E0%B2%AF%E0%B2%AE%E0%B3%8D" title="ಸೋಡಿಯಮ್ - kannada" lang="kn" hreflang="kn" data-title="ಸೋಡಿಯಮ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%82%98%ED%8A%B8%EB%A5%A8" title="나트륨 - coreà" lang="ko" hreflang="ko" data-title="나트륨" data-language-autonym="한국어" data-language-local-name="coreà" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Natriy%C3%BBm" title="Natriyûm - kurd" lang="ku" hreflang="ku" data-title="Natriyûm" data-language-autonym="Kurdî" data-language-local-name="kurd" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B9" title="Натрий - komi" lang="kv" hreflang="kv" data-title="Натрий" data-language-autonym="Коми" data-language-local-name="komi" class="interlanguage-link-target"><span>Коми</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Sodiom" title="Sodiom - còrnic" lang="kw" hreflang="kw" data-title="Sodiom" data-language-autonym="Kernowek" data-language-local-name="còrnic" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B9" title="Натрий - kirguís" lang="ky" hreflang="ky" data-title="Натрий" data-language-autonym="Кыргызча" data-language-local-name="kirguís" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Natrium" title="Natrium - llatí" lang="la" hreflang="la" data-title="Natrium" data-language-autonym="Latina" data-language-local-name="llatí" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Natrium" title="Natrium - luxemburguès" lang="lb" hreflang="lb" data-title="Natrium" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburguès" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Sodio" title="Sodio - Lingua Franca Nova" lang="lfn" hreflang="lfn" data-title="Sodio" data-language-autonym="Lingua Franca Nova" data-language-local-name="Lingua Franca Nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Natrium" title="Natrium - limburguès" lang="li" hreflang="li" data-title="Natrium" data-language-autonym="Limburgs" data-language-local-name="limburguès" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/Sodio" title="Sodio - lígur" lang="lij" hreflang="lij" data-title="Sodio" data-language-autonym="Ligure" data-language-local-name="lígur" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Sodio" title="Sodio - llombard" lang="lmo" hreflang="lmo" data-title="Sodio" data-language-autonym="Lombard" data-language-local-name="llombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-ln mw-list-item"><a href="https://ln.wikipedia.org/wiki/Sodu" title="Sodu - lingala" lang="ln" hreflang="ln" data-title="Sodu" data-language-autonym="Lingála" data-language-local-name="lingala" class="interlanguage-link-target"><span>Lingála</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BB%82%E0%BA%8A%E0%BA%94%E0%BA%BD%E0%BA%A1" title="ໂຊດຽມ - laosià" lang="lo" hreflang="lo" data-title="ໂຊດຽມ" data-language-autonym="ລາວ" data-language-local-name="laosià" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Natris" title="Natris - lituà" lang="lt" hreflang="lt" data-title="Natris" data-language-autonym="Lietuvių" data-language-local-name="lituà" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/N%C4%81trijs" title="Nātrijs - letó" lang="lv" hreflang="lv" data-title="Nātrijs" data-language-autonym="Latviešu" data-language-local-name="letó" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mdf mw-list-item"><a href="https://mdf.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8" title="Натри - mordovià moksa" lang="mdf" hreflang="mdf" data-title="Натри" data-language-autonym="Мокшень" data-language-local-name="mordovià moksa" class="interlanguage-link-target"><span>Мокшень</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/S%C3%B4di%C3%B4ma" title="Sôdiôma - malgaix" lang="mg" hreflang="mg" data-title="Sôdiôma" data-language-autonym="Malagasy" data-language-local-name="malgaix" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-mi mw-list-item"><a href="https://mi.wikipedia.org/wiki/Konutai" title="Konutai - maori" lang="mi" hreflang="mi" data-title="Konutai" data-language-autonym="Māori" data-language-local-name="maori" class="interlanguage-link-target"><span>Māori</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/Natrium" title="Natrium - minangkabau" lang="min" hreflang="min" data-title="Natrium" data-language-autonym="Minangkabau" data-language-local-name="minangkabau" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D1%83%D0%BC" title="Натриум - macedoni" lang="mk" hreflang="mk" data-title="Натриум" data-language-autonym="Македонски" data-language-local-name="macedoni" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B8%E0%B5%8B%E0%B4%A1%E0%B4%BF%E0%B4%AF%E0%B4%82" title="സോഡിയം - malaiàlam" lang="ml" hreflang="ml" data-title="സോഡിയം" data-language-autonym="മലയാളം" data-language-local-name="malaiàlam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8" title="Натри - mongol" lang="mn" hreflang="mn" data-title="Натри" data-language-autonym="Монгол" data-language-local-name="mongol" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mni mw-list-item"><a href="https://mni.wikipedia.org/wiki/%EA%AF%81%EA%AF%A3%EA%AF%97%EA%AF%A4%EA%AF%8C%EA%AF%9D" title="ꯁꯣꯗꯤꯌꯝ - manipurí" lang="mni" hreflang="mni" data-title="ꯁꯣꯗꯤꯌꯝ" data-language-autonym="ꯃꯤꯇꯩ ꯂꯣꯟ" data-language-local-name="manipurí" class="interlanguage-link-target"><span>ꯃꯤꯇꯩ ꯂꯣꯟ</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B8%E0%A5%8B%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सोडियम - marathi" lang="mr" hreflang="mr" data-title="सोडियम" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-mrj mw-list-item"><a href="https://mrj.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B9" title="Натрий - mari occidental" lang="mrj" hreflang="mrj" data-title="Натрий" data-language-autonym="Кырык мары" data-language-local-name="mari occidental" class="interlanguage-link-target"><span>Кырык мары</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Natrium" title="Natrium - malai" lang="ms" hreflang="ms" data-title="Natrium" data-language-autonym="Bahasa Melayu" data-language-local-name="malai" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%86%E1%80%AD%E1%80%AF%E1%80%92%E1%80%AE%E1%80%9A%E1%80%99%E1%80%BA" title="ဆိုဒီယမ် - birmà" lang="my" hreflang="my" data-title="ဆိုဒီယမ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birmà" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Natrium" title="Natrium - baix alemany" lang="nds" hreflang="nds" data-title="Natrium" data-language-autonym="Plattdüütsch" data-language-local-name="baix alemany" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%B8%E0%A5%8B%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सोडियम - newari" lang="new" hreflang="new" data-title="सोडियम" data-language-autonym="नेपाल भाषा" data-language-local-name="newari" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Natrium" title="Natrium - neerlandès" lang="nl" hreflang="nl" data-title="Natrium" data-language-autonym="Nederlands" data-language-local-name="neerlandès" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Natrium" title="Natrium - noruec nynorsk" lang="nn" hreflang="nn" data-title="Natrium" data-language-autonym="Norsk nynorsk" data-language-local-name="noruec nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Natrium" title="Natrium - noruec bokmål" lang="nb" hreflang="nb" data-title="Natrium" data-language-autonym="Norsk bokmål" data-language-local-name="noruec bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nov mw-list-item"><a href="https://nov.wikipedia.org/wiki/Natrium" title="Natrium - novial" lang="nov" hreflang="nov" data-title="Natrium" data-language-autonym="Novial" data-language-local-name="novial" class="interlanguage-link-target"><span>Novial</span></a></li><li class="interlanguage-link interwiki-nrm mw-list-item"><a href="https://nrm.wikipedia.org/wiki/S%C3%B4dgium" title="Sôdgium - Norman" lang="nrf" hreflang="nrf" data-title="Sôdgium" data-language-autonym="Nouormand" data-language-local-name="Norman" class="interlanguage-link-target"><span>Nouormand</span></a></li><li class="interlanguage-link interwiki-nv mw-list-item"><a href="https://nv.wikipedia.org/wiki/Soodin" title="Soodin - navaho" lang="nv" hreflang="nv" data-title="Soodin" data-language-autonym="Diné bizaad" data-language-local-name="navaho" class="interlanguage-link-target"><span>Diné bizaad</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/S%C3%B2di" title="Sòdi - occità" lang="oc" hreflang="oc" data-title="Sòdi" data-language-autonym="Occitan" data-language-local-name="occità" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-olo mw-list-item"><a href="https://olo.wikipedia.org/wiki/Natrii" title="Natrii - Livvi-Karelian" lang="olo" hreflang="olo" data-title="Natrii" data-language-autonym="Livvinkarjala" data-language-local-name="Livvi-Karelian" class="interlanguage-link-target"><span>Livvinkarjala</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Sodiyeemii" title="Sodiyeemii - oromo" lang="om" hreflang="om" data-title="Sodiyeemii" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%B8%E0%AD%8B%E0%AC%A1%E0%AC%BC%E0%AC%BF%E0%AC%85%E0%AC%AE" title="ସୋଡ଼ିଅମ - oriya" lang="or" hreflang="or" data-title="ସୋଡ଼ିଅମ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="oriya" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-os mw-list-item"><a href="https://os.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B9" title="Натрий - osseta" lang="os" hreflang="os" data-title="Натрий" data-language-autonym="Ирон" data-language-local-name="osseta" class="interlanguage-link-target"><span>Ирон</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B8%E0%A9%8B%E0%A8%A1%E0%A9%80%E0%A8%85%E0%A8%AE" title="ਸੋਡੀਅਮ - panjabi" lang="pa" hreflang="pa" data-title="ਸੋਡੀਅਮ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="panjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pi mw-list-item"><a href="https://pi.wikipedia.org/wiki/%E0%A4%B8%E0%A5%8B%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सोडियम - pali" lang="pi" hreflang="pi" data-title="सोडियम" data-language-autonym="पालि" data-language-local-name="pali" class="interlanguage-link-target"><span>पालि</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/S%C3%B3d" title="Sód - polonès" lang="pl" hreflang="pl" data-title="Sód" data-language-autonym="Polski" data-language-local-name="polonès" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/S%C3%B2dio" title="Sòdio - piemontès" lang="pms" hreflang="pms" data-title="Sòdio" data-language-autonym="Piemontèis" data-language-local-name="piemontès" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%B3%D9%88%DA%88%DB%8C%D8%A6%D9%85" title="سوڈیئم - Western Punjabi" lang="pnb" hreflang="pnb" data-title="سوڈیئم" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pnt mw-list-item"><a href="https://pnt.wikipedia.org/wiki/%CE%9D%CE%AC%CF%84%CF%81%CE%B9%CE%BF%CE%BD" title="Νάτριον - pòntic" lang="pnt" hreflang="pnt" data-title="Νάτριον" data-language-autonym="Ποντιακά" data-language-local-name="pòntic" class="interlanguage-link-target"><span>Ποντιακά</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%B3%D9%88%DA%89%D9%8A%D9%88%D9%85" title="سوډيوم - paixtu" lang="ps" hreflang="ps" data-title="سوډيوم" data-language-autonym="پښتو" data-language-local-name="paixtu" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/S%C3%B3dio" title="Sódio - portuguès" lang="pt" hreflang="pt" data-title="Sódio" data-language-autonym="Português" data-language-local-name="portuguès" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Natriyu" title="Natriyu - quítxua" lang="qu" hreflang="qu" data-title="Natriyu" data-language-autonym="Runa Simi" data-language-local-name="quítxua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Sodiu" title="Sodiu - romanès" lang="ro" hreflang="ro" data-title="Sodiu" data-language-autonym="Română" data-language-local-name="romanès" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-roa-rup mw-list-item"><a href="https://roa-rup.wikipedia.org/wiki/Natriu" title="Natriu - aromanès" lang="rup" hreflang="rup" data-title="Natriu" data-language-autonym="Armãneashti" data-language-local-name="aromanès" class="interlanguage-link-target"><span>Armãneashti</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B9" title="Натрий - rus" lang="ru" hreflang="ru" data-title="Натрий" data-language-autonym="Русский" data-language-local-name="rus" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%B8%E0%A5%8B%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सोडियम - sànscrit" lang="sa" hreflang="sa" data-title="सोडियम" data-language-autonym="संस्कृतम्" data-language-local-name="sànscrit" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B9" title="Натрий - iacut" lang="sah" hreflang="sah" data-title="Натрий" data-language-autonym="Саха тыла" data-language-local-name="iacut" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sat mw-list-item"><a href="https://sat.wikipedia.org/wiki/%E1%B1%A5%E1%B1%9A%E1%B1%B0%E1%B1%A4%E1%B1%AD%E1%B1%9F%E1%B1%A2" title="ᱥᱚᱰᱤᱭᱟᱢ - santali" lang="sat" hreflang="sat" data-title="ᱥᱚᱰᱤᱭᱟᱢ" data-language-autonym="ᱥᱟᱱᱛᱟᱲᱤ" data-language-local-name="santali" class="interlanguage-link-target"><span>ᱥᱟᱱᱛᱟᱲᱤ</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/S%C3%B2diu" title="Sòdiu - sard" lang="sc" hreflang="sc" data-title="Sòdiu" data-language-autonym="Sardu" data-language-local-name="sard" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Sodiu" title="Sodiu - sicilià" lang="scn" hreflang="scn" data-title="Sodiu" data-language-autonym="Sicilianu" data-language-local-name="sicilià" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Sodium" title="Sodium - escocès" lang="sco" hreflang="sco" data-title="Sodium" data-language-autonym="Scots" data-language-local-name="escocès" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%B3%D9%88%DA%8A%D9%8A%D8%A6%D9%85" title="سوڊيئم - sindi" lang="sd" hreflang="sd" data-title="سوڊيئم" data-language-autonym="سنڌي" data-language-local-name="sindi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Natrij" title="Natrij - serbocroat" lang="sh" hreflang="sh" data-title="Natrij" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbocroat" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B7%83%E0%B7%9D%E0%B6%A9%E0%B7%92%E0%B6%BA%E0%B6%B8%E0%B7%8A" title="සෝඩියම් - singalès" lang="si" hreflang="si" data-title="සෝඩියම්" data-language-autonym="සිංහල" data-language-local-name="singalès" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Sodium" title="Sodium - Simple English" lang="en-simple" hreflang="en-simple" data-title="Sodium" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Sod%C3%ADk" title="Sodík - eslovac" lang="sk" hreflang="sk" data-title="Sodík" data-language-autonym="Slovenčina" data-language-local-name="eslovac" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-skr mw-list-item"><a href="https://skr.wikipedia.org/wiki/%D8%B3%D9%88%DA%88%DB%8C%D9%85" title="سوڈیم - Saraiki" lang="skr" hreflang="skr" data-title="سوڈیم" data-language-autonym="سرائیکی" data-language-local-name="Saraiki" class="interlanguage-link-target"><span>سرائیکی</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Natrij" title="Natrij - eslovè" lang="sl" hreflang="sl" data-title="Natrij" data-language-autonym="Slovenščina" data-language-local-name="eslovè" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Sodhiyaam" title="Sodhiyaam - somali" lang="so" hreflang="so" data-title="Sodhiyaam" data-language-autonym="Soomaaliga" data-language-local-name="somali" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Natriumi" title="Natriumi - albanès" lang="sq" hreflang="sq" data-title="Natriumi" data-language-autonym="Shqip" data-language-local-name="albanès" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D1%98%D1%83%D0%BC" title="Натријум - serbi" lang="sr" hreflang="sr" data-title="Натријум" data-language-autonym="Српски / srpski" data-language-local-name="serbi" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Natrium" title="Natrium - Saterland Frisian" lang="stq" hreflang="stq" data-title="Natrium" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Natrium" title="Natrium - sondanès" lang="su" hreflang="su" data-title="Natrium" data-language-autonym="Sunda" data-language-local-name="sondanès" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Natrium" title="Natrium - suec" lang="sv" hreflang="sv" data-title="Natrium" data-language-autonym="Svenska" data-language-local-name="suec" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Natiri" title="Natiri - suahili" lang="sw" hreflang="sw" data-title="Natiri" data-language-autonym="Kiswahili" data-language-local-name="suahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%8B%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D" title="சோடியம் - tàmil" lang="ta" hreflang="ta" data-title="சோடியம்" data-language-autonym="தமிழ்" data-language-local-name="tàmil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B8%E0%B1%8B%E0%B0%A1%E0%B0%BF%E0%B0%AF%E0%B0%82" title="సోడియం - telugu" lang="te" hreflang="te" data-title="సోడియం" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B9" title="Натрий - tadjik" lang="tg" hreflang="tg" data-title="Натрий" data-language-autonym="Тоҷикӣ" data-language-local-name="tadjik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%82%E0%B8%8B%E0%B9%80%E0%B8%94%E0%B8%B5%E0%B8%A2%E0%B8%A1" title="โซเดียม - tai" lang="th" hreflang="th" data-title="โซเดียม" data-language-autonym="ไทย" data-language-local-name="tai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Sodyo" title="Sodyo - tagal" lang="tl" hreflang="tl" data-title="Sodyo" data-language-autonym="Tagalog" data-language-local-name="tagal" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Sodyum" title="Sodyum - turc" lang="tr" hreflang="tr" data-title="Sodyum" data-language-autonym="Türkçe" data-language-local-name="turc" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B9" title="Натрий - tàtar" lang="tt" hreflang="tt" data-title="Натрий" data-language-autonym="Татарча / tatarça" data-language-local-name="tàtar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D9%86%D8%A7%D8%AA%D8%B1%D9%89%D9%8A" title="ناترىي - uigur" lang="ug" hreflang="ug" data-title="ناترىي" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="uigur" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D1%96%D0%B9" title="Натрій - ucraïnès" lang="uk" hreflang="uk" data-title="Натрій" data-language-autonym="Українська" data-language-local-name="ucraïnès" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B3%D9%88%DA%88%DB%8C%D9%85" title="سوڈیم - urdú" lang="ur" hreflang="ur" data-title="سوڈیم" data-language-autonym="اردو" data-language-local-name="urdú" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Natriy" title="Natriy - uzbek" lang="uz" hreflang="uz" data-title="Natriy" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Natrii" title="Natrii - vepse" lang="vep" hreflang="vep" data-title="Natrii" data-language-autonym="Vepsän kel’" data-language-local-name="vepse" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi badge-Q17437798 badge-goodarticle mw-list-item" title="article bo"><a href="https://vi.wikipedia.org/wiki/Natri" title="Natri - vietnamita" lang="vi" hreflang="vi" data-title="Natri" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-vo mw-list-item"><a href="https://vo.wikipedia.org/wiki/Natrin" title="Natrin - volapük" lang="vo" hreflang="vo" data-title="Natrin" data-language-autonym="Volapük" data-language-local-name="volapük" class="interlanguage-link-target"><span>Volapük</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Sodiom" title="Sodiom - való" lang="wa" hreflang="wa" data-title="Sodiom" data-language-autonym="Walon" data-language-local-name="való" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Sodyo" title="Sodyo - waray" lang="war" hreflang="war" data-title="Sodyo" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E9%92%A0" title="钠 - xinès wu" lang="wuu" hreflang="wuu" data-title="钠" data-language-autonym="吴语" data-language-local-name="xinès wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%BE%D0%BD" title="Натрион - calmuc" lang="xal" hreflang="xal" data-title="Натрион" data-language-autonym="Хальмг" data-language-local-name="calmuc" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A0%D7%90%D7%98%D7%A8%D7%99%D7%95%D7%9D" title="נאטריום - ídix" lang="yi" hreflang="yi" data-title="נאטריום" data-language-autonym="ייִדיש" data-language-local-name="ídix" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/S%C3%B3d%C3%AD%E1%BB%8D%CC%80m%C3%B9" title="Sódíọ̀mù - ioruba" lang="yo" hreflang="yo" data-title="Sódíọ̀mù" data-language-autonym="Yorùbá" data-language-local-name="ioruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zgh mw-list-item"><a href="https://zgh.wikipedia.org/wiki/%E2%B4%B0%E2%B5%9A%E2%B5%93%E2%B4%B9%E2%B5%A2%E2%B5%93%E2%B5%8E" title="ⴰⵚⵓⴹⵢⵓⵎ - amazic estàndard marroquí" lang="zgh" hreflang="zgh" data-title="ⴰⵚⵓⴹⵢⵓⵎ" data-language-autonym="ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ" data-language-local-name="amazic estàndard marroquí" class="interlanguage-link-target"><span>ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%92%A0" title="钠 - xinès" lang="zh" hreflang="zh" data-title="钠" data-language-autonym="中文" data-language-local-name="xinès" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E9%88%89" title="鈉 - xinès clàssic" lang="lzh" hreflang="lzh" data-title="鈉" data-language-autonym="文言" data-language-local-name="xinès clàssic" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Natrium" title="Natrium - xinès min del sud" lang="nan" hreflang="nan" data-title="Natrium" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="xinès min del sud" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%88%89" title="鈉 - cantonès" lang="yue" hreflang="yue" data-title="鈉" data-language-autonym="粵語" data-language-local-name="cantonès" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/INaside" title="INaside - zulu" lang="zu" hreflang="zu" data-title="INaside" data-language-autonym="IsiZulu" data-language-local-name="zulu" class="interlanguage-link-target"><span>IsiZulu</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q658#sitelinks-wikipedia" title="Modificau enllaços interlingües" class="wbc-editpage">Modifica els enllaços</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espais de noms"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Sodi" title="Vegeu el contingut de la pàgina [c]" accesskey="c"><span>Pàgina</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Discussi%C3%B3:Sodi&action=edit&redlink=1" rel="discussion" class="new" title="Discussió sobre el contingut d'aquesta pàgina (encara no existeix) [t]" accesskey="t"><span>Discussió</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Canvia la variant de llengua" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">català</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Vistes"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Sodi"><span>Mostra</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sodi&action=edit" title="Modifica el codi font d'aquesta pàgina [e]" accesskey="e"><span>Modifica</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sodi&action=history" title="Versions antigues d'aquesta pàgina [h]" accesskey="h"><span>Mostra l'historial</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Eines de la pàgina"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Eines" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Eines</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Eines</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">mou a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">amaga</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Més opcions" > <div class="vector-menu-heading"> Accions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Sodi"><span>Mostra</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Sodi&action=edit" title="Modifica el codi font d'aquesta pàgina [e]" accesskey="e"><span>Modifica</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Sodi&action=history"><span>Mostra l'historial</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Especial:Enlla%C3%A7os/Sodi" title="Una llista de totes les pàgines wiki que enllacen amb aquesta [j]" accesskey="j"><span>Què hi enllaça</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Especial:Seguiment/Sodi" rel="nofollow" title="Canvis recents a pàgines enllaçades des d'aquesta pàgina [k]" accesskey="k"><span>Canvis relacionats</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Sodi&oldid=34468376" title="Enllaç permanent a aquesta revisió de la pàgina"><span>Enllaç permanent</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Sodi&action=info" title="Més informació sobre aquesta pàgina"><span>Informació de la pàgina</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Especial:Citau&page=Sodi&id=34468376&wpFormIdentifier=titleform" title="Informació sobre com citar aquesta pàgina"><span>Citau aquest article</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Especial:UrlShortener&url=https%3A%2F%2Fca.wikipedia.org%2Fwiki%2FSodi"><span>Obtén una URL abreujada</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Especial:QrCode&url=https%3A%2F%2Fca.wikipedia.org%2Fwiki%2FSodi"><span>Descarrega el codi QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimeix/exporta </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Especial:Llibre&bookcmd=book_creator&referer=Sodi"><span>Crea un llibre</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Especial:DownloadAsPdf&page=Sodi&action=show-download-screen"><span>Baixa com a PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Sodi&printable=yes" title="Versió per a impressió d'aquesta pàgina [p]" accesskey="p"><span>Versió per a impressora</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> En altres projectes </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Sodium" hreflang="en"><span>Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q658" title="Enllaç a l'element del repositori de dades connectat [g]" accesskey="g"><span>Element a Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Eines de la pàgina"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aparença"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aparença</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mou a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">amaga</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">De la Viquipèdia, l'enciclopèdia lliure</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ca" dir="ltr"><table class="infobox bordered" cellpadding="2" cellspacing="0" style="font-size: 88%; width: 22em; text-align: left"> <tbody><tr> <th colspan="2" style="font-size:130%;text-align:center; background-color: #FF6666; color: #000000">Sodi </th></tr> <tr> <td colspan="2"><div title="atomic number Z=11; symbol=Na" style="text-align:center; border:none; font-size:130%;"><b><sub><span style="font-size:smaller">11</span></sub>Na</b></div> </td></tr> <tr> <td colspan="2"> <table width="100%" cellspacing="0" style="border: none; font-size: 110%"> <tbody><tr> <td colspan="2" style="text-align: center; border: none; font-size:88%;" class="nowrap"><a href="/wiki/Ne%C3%B3" title="Neó">neó</a> ← <b>sodi</b> → <a href="/wiki/Magnesi" title="Magnesi">magnesi</a> </td></tr> <tr style="border: none"> <td style="text-align: center; border: none; line-height:110%; font-size:88%;"><a href="/wiki/Liti" title="Liti">Li</a><br />↑<br /><b>Na</b><br />↓<br /><a href="/wiki/Potassi" title="Potassi">K</a> </td> <td style="border: none"> <table width="100%" cellspacing="0" style="border: none"> <tbody><tr> <td style="border: none"><div style="position: relative; border: none"> <table class="nogrid" cellpadding="0" cellspacing="1" style="background-color: white; text-align: center; empty-cells: show; border: none"> <tbody><tr> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #a0ffa0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Hidrogen" title="Hidrogen"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 1: Hidrogen (H), altre no metall">   </span></a></div> </div> </td> <td colspan="30" style="border: none"> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #c0ffff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Heli" title="Heli"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 2: Heli (He), gas noble">   </span></a></div> </div> </td></tr> <tr style="border: none"> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff6666;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Liti" title="Liti"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 3: Liti (Li), metall alcalí">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffdead;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Beril%C2%B7li" title="Beril·li"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 4: Beril·li (Be), metall alcalinoterri">   </span></a></div> </div> </td> <td colspan="24" style="border: none"> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccc99;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Bor" title="Bor"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 5: Bor (B), metal·loide">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #a0ffa0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Carboni" title="Carboni"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 6: Carboni (C), altre no metall">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #a0ffa0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Nitrogen" title="Nitrogen"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 7: Nitrogen (N), altre no metall">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #a0ffa0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Oxigen" title="Oxigen"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 8: Oxigen (O), altre no metall">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffff99;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Fluor" title="Fluor"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 9: Fluor (F), halogen">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #c0ffff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Ne%C3%B3" title="Neó"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 10: Neó (Ne), gas noble">   </span></a></div> </div> </td></tr> <tr style="border: none"> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff6666; border:1px solid black; margin:-1px"><div style="position:absolute; top:0; left:0; z-index:3"><a class="mw-selflink selflink"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 11: Sodi (Na), metall alcalí">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffdead;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Magnesi" title="Magnesi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 12: Magnesi (Mg), metall alcalinoterri">   </span></a></div> </div> </td> <td colspan="24" style="border: none"> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccccc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Alumini" title="Alumini"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 13: Alumini (Al), metall del bloc p">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccc99;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Silici" title="Silici"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 14: Silici (Si), metal·loide">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #a0ffa0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/F%C3%B2sfor" title="Fòsfor"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 15: Fòsfor (P), altre no metall">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #a0ffa0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Sofre" title="Sofre"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 16: Sofre (S), altre no metall">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffff99;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Clor" title="Clor"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 17: Clor (Cl), halogen">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #c0ffff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Arg%C3%B3" title="Argó"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 18: Argó (Ar), gas noble">   </span></a></div> </div> </td></tr> <tr style="border: none"> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff6666;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Potassi" title="Potassi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 19: Potassi (K), metall alcalí">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffdead;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Calci" title="Calci"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 20: Calci (Ca), metall alcalinoterri">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Escandi" title="Escandi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 21: Escandi (Sc), metall de transició">   </span></a></div> </div> </td> <td colspan="14" style="border: none"> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Titani" title="Titani"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 22: Titani (Ti), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Vanadi" title="Vanadi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 23: Vanadi (V), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Crom" title="Crom"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 24: Crom (Cr), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Mangan%C3%A8s" title="Manganès"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 25: Manganès (Mn), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Ferro" title="Ferro"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 26: Ferro (Fe), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Cobalt" title="Cobalt"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 27: Cobalt (Co), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/N%C3%ADquel" title="Níquel"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 28: Níquel (Ni), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Coure" title="Coure"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 29: Coure (Cu), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Zinc" title="Zinc"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 30: Zinc (Zn), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccccc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Gal%C2%B7li" title="Gal·li"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 31: Gal·li (Ga), metall del bloc p">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccc99;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Germani" title="Germani"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 32: Germani (Ge), metal·loide">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccc99;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Ars%C3%A8nic" title="Arsènic"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 33: Arsènic (As), metal·loide">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #a0ffa0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Seleni" title="Seleni"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 34: Seleni (Se), altre no metall">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffff99;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Brom" title="Brom"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 35: Brom (Br), halogen">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #c0ffff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Cript%C3%B3" title="Criptó"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 36: Criptó (Kr), gas noble">   </span></a></div> </div> </td></tr> <tr style="border: none"> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff6666;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Rubidi" title="Rubidi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 37: Rubidi (Rb), metall alcalí">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffdead;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Estronci" title="Estronci"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 38: Estronci (Sr), metall alcalinoterri">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Itri" title="Itri"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 39: Itri (Y), metall de transició">   </span></a></div> </div> </td> <td colspan="14" style="border: none"> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Zirconi" title="Zirconi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 40: Zirconi (Zr), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Niobi" title="Niobi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 41: Niobi (Nb), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Molibd%C3%A8" title="Molibdè"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 42: Molibdè (Mo), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Tecneci" title="Tecneci"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 43: Tecneci (Tc), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Ruteni" title="Ruteni"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 44: Ruteni (Ru), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Rodi" title="Rodi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 45: Rodi (Rh), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Pal%C2%B7ladi_(element)" title="Pal·ladi (element)"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 46: Pal·ladi (element) (Pd), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Argent_(element)" class="mw-redirect" title="Argent (element)"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 47: Argent (element) (Ag), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Cadmi" title="Cadmi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 48: Cadmi (Cd), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccccc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Indi_(element)" title="Indi (element)"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 49: Indi (element) (In), metall del bloc p">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccccc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Estany_(element)" title="Estany (element)"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 50: Estany (Sn), metall del bloc p">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccc99;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Antimoni" title="Antimoni"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 51: Antimoni (Sb), metal·loide">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccc99;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Tel%C2%B7luri" title="Tel·luri"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 52: Tel·luri (Te), metal·loide">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffff99;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Iode" title="Iode"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 53: Iode (I), halogen">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #c0ffff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Xen%C3%B3" title="Xenó"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 54: Xenó (Xe), gas noble">   </span></a></div> </div> </td></tr> <tr style="border: none"> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff6666;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Cesi" title="Cesi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 55: Cesi (Cs), metall alcalí">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffdead;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Bari_(element)" title="Bari (element)"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 56: Bari (Ba), metall alcalinoterri">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Lantani" title="Lantani"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 57: Lantani (La), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Ceri" title="Ceri"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 58: Ceri (Ce), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Praseodimi" title="Praseodimi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 59: Praseodimi (Pr), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Neodimi" title="Neodimi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 60: Neodimi (Nd), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Prometi" title="Prometi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 61: Prometi (Pm), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Samari" title="Samari"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 62: Samari (Sm), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Europi" title="Europi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 63: Europi (Eu), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Gadolini" title="Gadolini"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 64: Gadolini (Gd), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Terbi" title="Terbi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 65: Terbi (Tb), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Disprosi" title="Disprosi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 66: Disprosi (Dy), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Holmi" title="Holmi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 67: Holmi (Ho), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Erbi" title="Erbi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 68: Erbi (Er), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Tuli" title="Tuli"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 69: Tuli (Tm), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Iterbi" title="Iterbi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 70: Iterbi (Yb), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffbfff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Luteci" title="Luteci"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 71: Luteci (Lu), lantànid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Hafni" title="Hafni"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 72: Hafni (Hf), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/T%C3%A0ntal" title="Tàntal"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 73: Tàntal (Ta), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Tungst%C3%A8" title="Tungstè"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 74: Tungstè (W), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Reni" title="Reni"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 75: Reni (Re), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Osmi" title="Osmi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 76: Osmi (Os), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Iridi" title="Iridi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 77: Iridi (Ir), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Plat%C3%AD" title="Platí"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 78: Platí (Pt), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Or" title="Or"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 79: Or (Au), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Mercuri_(element)" title="Mercuri (element)"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 80: Mercuri (Hg), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccccc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Tal%C2%B7li" title="Tal·li"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 81: Tal·li (Tl), metall del bloc p">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccccc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Plom" title="Plom"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 82: Plom (Pb), metall del bloc p">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccccc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Bismut" title="Bismut"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 83: Bismut (Bi), metall del bloc p">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccccc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Poloni" title="Poloni"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 84: Poloni (Po), metall del bloc p">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffff99;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/%C3%80stat" title="Àstat"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 85: Àstat (At), halogen">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #c0ffff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Rad%C3%B3" title="Radó"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 86: Radó (Rn), gas noble">   </span></a></div> </div> </td></tr> <tr style="border: none"> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff6666;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Franci" title="Franci"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 87: Franci (Fr), metall alcalí">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffdead;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Radi_(element)" title="Radi (element)"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 88: Radi (Ra), metall alcalinoterri">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Actini" title="Actini"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 89: Actini (Ac), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Tori" title="Tori"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 90: Tori (Th), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Protoactini" title="Protoactini"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 91: Protoactini (Pa), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Urani" title="Urani"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 92: Urani (U), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Neptuni" title="Neptuni"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 93: Neptuni (Np), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Plutoni" title="Plutoni"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 94: Plutoni (Pu), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Americi" title="Americi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 95: Americi (Am), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Curi" title="Curi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 96: Curi (Cm), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Berkeli" title="Berkeli"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 97: Berkeli (Bk), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Californi" title="Californi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 98: Californi (Cf), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Einsteini" title="Einsteini"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 99: Einsteini (Es), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Fermi_(element)" title="Fermi (element)"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 100: Fermi (Fm), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Mendelevi" title="Mendelevi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 101: Mendelevi (Md), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Nobeli" title="Nobeli"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 102: Nobeli (No), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ff99cc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Laurenci" class="mw-redirect" title="Laurenci"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 103: Laurenci (Lr), actínid">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Rutherfordi" title="Rutherfordi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 104: Rutherfordi (Rf), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Dubni" title="Dubni"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 105: Dubni (Db), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Seaborgi" title="Seaborgi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 106: Seaborgi (Sg), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Bohri" title="Bohri"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 107: Bohri (Bh), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Hassi" title="Hassi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 108: Hassi (Hs), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Meitneri" title="Meitneri"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 109: Meitneri (Mt), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Darmstadti" title="Darmstadti"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 110: Darmstadti (Ds), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Roentgeni" title="Roentgeni"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 111: Roentgeni (Rg), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffc0c0;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Copernici" title="Copernici"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 112: Copernici (Cn), metall de transició">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccccc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Nihoni" title="Nihoni"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 113: Nihoni (Nh), metall del bloc p">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccccc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Flerovi" title="Flerovi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 114: Flerovi (Fl), metall del bloc p">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccccc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Moscovi" title="Moscovi"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 115: Moscovi (Mc), metall del bloc p">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #cccccc;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Livermori" title="Livermori"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 116: Livermori (Lv), metall del bloc p">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #ffff99;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Tennes" title="Tennes"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 117: Tennes (Ts), halogen">   </span></a></div> </div> </td> <td style="border: none"><div style="position:relative; overflow:hidden; width:6px; height:8px; z-index:2; background-color: #c0ffff;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Oganess%C3%B3" title="Oganessó"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 118: Oganessó (Og), gas noble">   </span></a></div> </div> </td></tr></tbody></table> <div style="position: absolute; top: 1px; left: 30px; border: none"><span typeof="mw:File"><a href="/wiki/Fitxer:Cubic-face-centered.svg" class="mw-file-description" title="Sodi té una estructura cristal·lina cúbica centrada en la cara"><img alt="Sodi té una estructura cristal·lina cúbica centrada en la cara" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cubic-face-centered.svg/26px-Cubic-face-centered.svg.png" decoding="async" width="26" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cubic-face-centered.svg/39px-Cubic-face-centered.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cubic-face-centered.svg/52px-Cubic-face-centered.svg.png 2x" data-file-width="109" data-file-height="126" /></a></span></div> <div style="border: none; font-size: 8px; position: absolute; top: 0; left: 65px"><span typeof="mw:File"><a href="/wiki/Fitxer:Electron_shell_011_Sodium.svg" class="mw-file-description"><img alt="Electrons per capa" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/76/Electron_shell_011_Sodium.svg/42px-Electron_shell_011_Sodium.svg.png" decoding="async" width="42" height="45" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/76/Electron_shell_011_Sodium.svg/63px-Electron_shell_011_Sodium.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/76/Electron_shell_011_Sodium.svg/84px-Electron_shell_011_Sodium.svg.png 2x" data-file-width="800" data-file-height="860" /></a></span> </div> </div> <div style="border: none; text-align: right"><small><a href="/wiki/Taula_peri%C3%B2dica" title="Taula periòdica">Taula periòdica</a></small></div> </td></tr></tbody></table> </td></tr></tbody></table> </td></tr> <tr> <th colspan="2" style="text-align: center; background-color: #FF6666; color: #000000">Aspecte </th></tr> <tr> <td colspan="2" style="text-align: center">Blanc platejat metàl·lic<br /><span typeof="mw:File"><a href="/wiki/Fitxer:Na_(Sodium).jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/Na_%28Sodium%29.jpg/300px-Na_%28Sodium%29.jpg" decoding="async" width="300" height="225" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/Na_%28Sodium%29.jpg/450px-Na_%28Sodium%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/27/Na_%28Sodium%29.jpg/600px-Na_%28Sodium%29.jpg 2x" data-file-width="4000" data-file-height="3000" /></a></span><br /><br /><span typeof="mw:File"><a href="/wiki/Fitxer:Sodium_spectrum_visible.png" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7c/Sodium_spectrum_visible.png/300px-Sodium_spectrum_visible.png" decoding="async" width="300" height="52" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7c/Sodium_spectrum_visible.png/450px-Sodium_spectrum_visible.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7c/Sodium_spectrum_visible.png/600px-Sodium_spectrum_visible.png 2x" data-file-width="7430" data-file-height="1280" /></a></span><br />Línies espectrals del sodi </td></tr> <tr> <th colspan="2" style="text-align: center; background-color: #FF6666; color: #000000">Propietats generals </th></tr> <tr> <th>Nom, <a href="/wiki/S%C3%ADmbol_qu%C3%ADmic" title="Símbol químic">símbol</a>, <a href="/wiki/Nombre_at%C3%B2mic" title="Nombre atòmic">nombre</a> </th> <td>Sodi, Na, 11 </td></tr> <tr> <th><a href="/wiki/Denominacions_col%C2%B7lectives_de_grups_d%27elements_de_caracter%C3%ADstiques_similars" title="Denominacions col·lectives de grups d'elements de característiques similars">Categoria d'elements</a> </th> <td><a href="/wiki/Metalls_alcalins" class="mw-redirect" title="Metalls alcalins">Metalls alcalins</a> </td></tr> <tr> <th><a href="/wiki/Grup_(taula_peri%C3%B2dica)" class="mw-redirect" title="Grup (taula periòdica)">Grup</a>, <a href="/wiki/Per%C3%ADode_(taula_peri%C3%B2dica)" class="mw-redirect" title="Període (taula periòdica)">període</a>, <a href="/wiki/Bloc_(taula_peri%C3%B2dica)" class="mw-redirect" title="Bloc (taula periòdica)">bloc</a> </th> <td><a href="/wiki/Grup_1_de_la_taula_peri%C3%B2dica" class="mw-redirect" title="Grup 1 de la taula periòdica">1</a>, <a href="/wiki/Elements_del_per%C3%ADode_3" title="Elements del període 3">3</a>, <a href="/wiki/Elements_del_bloc_s" title="Elements del bloc s">s</a> </td></tr> <tr> <th><a href="/wiki/Pes_at%C3%B2mic" class="mw-redirect" title="Pes atòmic">Pes atòmic estàndard</a> </th> <td>22,98976928(2) </td></tr> <tr> <th><a href="/wiki/Configuraci%C3%B3_electr%C3%B2nica" title="Configuració electrònica">Configuració electrònica</a> </th> <td>[<a href="/wiki/Ne%C3%B3" title="Neó">Ne</a>] 3s<sup>1</sup><br />2,8,1<br /><span typeof="mw:File"><a href="/wiki/Fitxer:Electron_shell_011_Sodium_-_no_label.svg" class="mw-file-description" title="Configuració electrònica de Sodi"><img alt="Configuració electrònica de Sodi" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/Electron_shell_011_Sodium_-_no_label.svg/250px-Electron_shell_011_Sodium_-_no_label.svg.png" decoding="async" width="140" height="140" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/Electron_shell_011_Sodium_-_no_label.svg/330px-Electron_shell_011_Sodium_-_no_label.svg.png 2x" data-file-width="1200" data-file-height="1200" /></a></span> </td></tr> <tr> <th colspan="2" style="text-align: center; background-color: #FF6666; color: #000000">Propietats físiques </th></tr> <tr> <th><a href="/wiki/Fase_(mat%C3%A8ria)" class="mw-redirect" title="Fase (matèria)">Fase</a> </th> <td><a href="/wiki/S%C3%B2lid" title="Sòlid">Sòlid</a> </td></tr> <tr> <th><a href="/wiki/Densitat" title="Densitat">Densitat</a><br />(prop de la <a href="/wiki/Temperatura_ambient" title="Temperatura ambient">t. a.</a>) </th> <td>0,968 g·cm<sup>−3</sup> </td></tr> <tr> <th>Densitat del<br />líquid en el <a href="/wiki/Punt_de_fusi%C3%B3" title="Punt de fusió">p. f.</a> </th> <td>0,927 g·cm<sup>−3</sup> </td></tr> <tr> <th><a href="/wiki/Punt_de_fusi%C3%B3" title="Punt de fusió">Punt de fusió</a> </th> <td>370,87 <a href="/wiki/Kelvin" title="Kelvin">K</a>, 97,72 °C </td></tr> <tr> <th><a href="/wiki/Punt_d%27ebullici%C3%B3" title="Punt d'ebullició">Punt d'ebullició</a> </th> <td>1.156 K, 883 °C </td></tr> <tr> <th><a href="/wiki/Punt_cr%C3%ADtic" title="Punt crític">Punt crític</a> </th> <td>(extrapolat)<br />2.573 K, 35 MPa </td></tr> <tr> <th><a href="/wiki/Entalpia_de_fusi%C3%B3" class="mw-redirect" title="Entalpia de fusió">Entalpia de fusió</a> </th> <td>2,60 <a href="/wiki/Quilojoule_per_mol" class="mw-redirect" title="Quilojoule per mol">kJ·mol<sup>−1</sup></a> </td></tr> <tr> <th><a href="/wiki/Entalpia_de_vaporitzaci%C3%B3" class="mw-redirect" title="Entalpia de vaporització">Entalpia de vaporització</a> </th> <td>97,42 kJ·mol<sup>−1</sup> </td></tr> <tr> <th><a href="/wiki/Capacitat_calor%C3%ADfica" class="mw-redirect" title="Capacitat calorífica">Capacitat calorífica molar</a> </th> <td>28,230 J·mol<sup>−1</sup>·K<sup>−1</sup> </td></tr> <tr> <th colspan="2" style="text-align: center"><a href="/wiki/Pressi%C3%B3_de_vapor" title="Pressió de vapor">Pressió de vapor</a> </th></tr> <tr> <td colspan="2"> <table class="wikitable" style="width: 100%; border-collapse: collapse"> <tbody><tr align="center"> <td>P (Pa) </td> <td>1 </td> <td>10 </td> <td>100 </td> <td>1 k </td> <td>10 k </td> <td>100 k </td></tr> <tr align="center"> <td>a T (K) </td> <td>554 </td> <td>617 </td> <td>697 </td> <td>802 </td> <td>946 </td> <td>1.153 </td></tr></tbody></table> </td></tr> <tr> <th colspan="2" style="text-align: center; background-color: #FF6666; color: #000000">Propietats atòmiques </th></tr> <tr> <th><a href="/wiki/Estat_d%27oxidaci%C3%B3" title="Estat d'oxidació">Estats d'oxidació</a> </th> <td><b>+1</b>, -1<br />(òxid <a href="/wiki/Base_(qu%C3%ADmica)" class="mw-redirect" title="Base (química)">bàsic</a> fort) </td></tr> <tr> <th><a href="/wiki/Electronegativitat" title="Electronegativitat">Electronegativitat</a> </th> <td>0,93 (escala de Pauling) </td></tr> <tr> <th rowspan="3" valign="top"><a href="/wiki/Energia_d%27ionitzaci%C3%B3" title="Energia d'ionització">Energies d'ionització</a><br />(<a href="/wiki/Energies_d%27ionitzaci%C3%B3_molar_dels_elements" class="mw-redirect" title="Energies d'ionització molar dels elements">més</a>) </th> <td>1a: 495,8 kJ·mol<sup>−1</sup> </td></tr> <tr> <td>2a: 4.562 kJ·mol<sup>−1</sup> </td></tr> <tr> <td>3a: 6.910,3 kJ·mol<sup>−1</sup> </td></tr> <tr> <th><a href="/wiki/Radi_at%C3%B2mic" title="Radi atòmic">Radi atòmic</a> </th> <td><a href="/w/index.php?title=1_E%E2%88%9210_m&action=edit&redlink=1" class="new" title="1 E−10 m (encara no existeix)">186</a> <a href="/wiki/Pic%C3%B2metre" class="mw-redirect" title="Picòmetre">pm</a> </td></tr> <tr> <th><a href="/wiki/Radi_covalent" title="Radi covalent">Radi covalent</a> </th> <td><a href="/w/index.php?title=1_E%E2%88%9210_m&action=edit&redlink=1" class="new" title="1 E−10 m (encara no existeix)">166±9</a> pm </td></tr> <tr> <th><a href="/wiki/Radi_de_Van_der_Waals" class="mw-redirect" title="Radi de Van der Waals">Radi de Van der Waals</a> </th> <td><a href="/w/index.php?title=1_E%E2%88%9210_m&action=edit&redlink=1" class="new" title="1 E−10 m (encara no existeix)">227</a> pm </td></tr> <tr> <th colspan="2" style="text-align: center; background-color: #FF6666; color: #000000">Miscel·lània </th></tr> <tr> <th><a href="/wiki/Estructura_cristal%C2%B7lina" title="Estructura cristal·lina">Estructura cristal·lina</a> </th> <td><a href="/wiki/Sistema_cristal%C2%B7l%C3%AD_c%C3%BAbic" title="Sistema cristal·lí cúbic">Cúbica centrada en la cara</a> <br /> <span typeof="mw:File"><a href="/wiki/Fitxer:Cubic-face-centered.svg" class="mw-file-description" title="Sodi té una estructura cristal·lina cúbica centrada en la cara"><img alt="Sodi té una estructura cristal·lina cúbica centrada en la cara" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cubic-face-centered.svg/60px-Cubic-face-centered.svg.png" decoding="async" width="60" height="69" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cubic-face-centered.svg/90px-Cubic-face-centered.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cubic-face-centered.svg/120px-Cubic-face-centered.svg.png 2x" data-file-width="109" data-file-height="126" /></a></span> </td></tr> <tr> <th rowspan="1" valign="top"><a href="/wiki/Magnetisme" title="Magnetisme">Ordenació magnètica</a> </th> <td><a href="/wiki/Paramagn%C3%A8tic" class="mw-redirect" title="Paramagnètic">Paramagnètic</a> </td></tr> <tr> <th><a href="/wiki/Resistivitat_el%C3%A8ctrica" class="mw-redirect" title="Resistivitat elèctrica">Resistivitat elèctrica</a> </th> <td>(20 °C) 47,7 nΩ·m </td></tr> <tr> <th><a href="/wiki/Conductivitat_t%C3%A8rmica" title="Conductivitat tèrmica">Conductivitat tèrmica</a> </th> <td>142 W·m<sup>−1</sup>·K<sup>−1</sup> </td></tr> <tr> <th><a href="/wiki/Dilataci%C3%B3_t%C3%A8rmica" title="Dilatació tèrmica">Dilatació tèrmica</a> </th> <td>(25 °C) 71 µm·m<sup>−1</sup>·K<sup>−1</sup> </td></tr> <tr> <th><a href="/wiki/Velocitat_del_so" title="Velocitat del so">Velocitat del so</a> (barra prima) </th> <td>(20 °C) 3.200 m·s<sup>−1</sup> </td></tr> <tr> <th><a href="/wiki/M%C3%B2dul_d%27elasticitat" title="Mòdul d'elasticitat">Mòdul d'elasticitat</a> </th> <td>10 GPa </td></tr> <tr> <th><a href="/wiki/M%C3%B2dul_de_cisallament" title="Mòdul de cisallament">Mòdul de cisallament</a> </th> <td>3,3 GPa </td></tr> <tr> <th><a href="/wiki/M%C3%B2dul_de_compressibilitat" title="Mòdul de compressibilitat">Mòdul de compressibilitat</a> </th> <td>6,3 GPa </td></tr> <tr> <th><a href="/wiki/Duresa_de_Mohs" class="mw-redirect" title="Duresa de Mohs">Duresa de Mohs</a> </th> <td>0,5 </td></tr> <tr> <th><a href="/wiki/Duresa_de_Brinell" class="mw-redirect" title="Duresa de Brinell">Duresa de Brinell</a> </th> <td>0,69 MPa </td></tr> <tr> <th><a href="/wiki/Nombre_CAS" class="mw-redirect" title="Nombre CAS">Nombre CAS</a> </th> <td><a rel="nofollow" class="external text" href="http://www.commonchemistry.org/ChemicalDetail.aspx?ref=7440-23-5">7440-23-5</a> </td></tr> <tr> <th colspan="2" style="text-align: center; background-color: #FF6666; color: #000000">Isòtops més estables </th></tr> <tr> <td colspan="2" style="text-align: center">Article principal: <a href="/wiki/Is%C3%B2tops_del_sodi" title="Isòtops del sodi">Isòtops del sodi</a> </td></tr> <tr> <td colspan="2"> <table class="wikitable" style="text-align: center; width: 100%; border-collapse: collapse"> <tbody><tr> <th><a href="/wiki/Is%C3%B2top" title="Isòtop">Iso</a> </th> <th><a href="/wiki/Abund%C3%A0ncia_natural" title="Abundància natural">AN</a> </th> <th><a href="/wiki/Per%C3%ADode_de_semidesintegraci%C3%B3" title="Període de semidesintegració">Semivida</a> </th> <th><a href="/wiki/Mode_de_desintegraci%C3%B3" class="mw-redirect" title="Mode de desintegració">MD</a> </th> <th><a href="/wiki/Energia_de_desintegraci%C3%B3" title="Energia de desintegració">ED</a> <small>(<a href="/wiki/Electr%C3%B3_volt" class="mw-redirect" title="Electró volt">MeV</a>)</small> </th> <th><a href="/wiki/Producte_de_desintegraci%C3%B3" title="Producte de desintegració">PD</a> </th></tr> <tr> <td rowspan="5"><sup>22</sup>Na </td> <td rowspan="5"><a href="/wiki/Radiois%C3%B2top_tra%C3%A7a" title="Radioisòtop traça">traça</a> </td> <td rowspan="5"><a href="/w/index.php?title=1_E7_s&action=edit&redlink=1" class="new" title="1 E7 s (encara no existeix)">2,602</a> <a href="/wiki/Any" title="Any">a</a> </td> <td rowspan="2"><a href="/wiki/Desintegraci%C3%B3_beta" class="mw-redirect" title="Desintegració beta">β<sup>+</sup></a>→<a href="/wiki/Desintegraci%C3%B3_gamma" class="mw-redirect" title="Desintegració gamma">γ</a> </td> <td>0,5454 </td> <td><sup>22</sup><a href="/wiki/Ne%C3%B3" title="Neó">Ne</a><a href="/wiki/Estat_excitat" title="Estat excitat">*</a> </td></tr> <tr> <td>1,27453(2)<sup id="cite_ref-npa521_1_1-0" class="reference"><a href="#cite_note-npa521_1-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td> <td><sup>22</sup><a href="/wiki/Neon" title="Neon">Ne</a> </td></tr> <tr> <td rowspan="2"><a href="/wiki/Captura_electr%C3%B2nica" title="Captura electrònica">ε</a>→<a href="/wiki/Desintegraci%C3%B3_gamma" class="mw-redirect" title="Desintegració gamma">γ</a> </td> <td>- </td> <td><sup>22</sup><a href="/wiki/Ne%C3%B3" title="Neó">Ne</a><a href="/wiki/Estat_excitat" title="Estat excitat">*</a> </td></tr> <tr> <td>1,27453(2) </td> <td><sup>22</sup><a href="/wiki/Ne%C3%B3" title="Neó">Ne</a> </td></tr> <tr> <td rowspan="1"><a href="/wiki/Desintegraci%C3%B3_beta" class="mw-redirect" title="Desintegració beta">β<sup>+</sup></a> </td> <td>1,8200 </td> <td><sup>22</sup><a href="/wiki/Neon" title="Neon">Ne</a> </td></tr> <tr> <td><sup>23</sup>Na </td> <td>100% </td> <td colspan="4"><sup>23</sup>Na és <a href="/wiki/Is%C3%B2top_estable" class="mw-redirect" title="Isòtop estable">estable</a> amb 12 <a href="/wiki/Neutr%C3%B3" title="Neutró">neutrons</a> </td></tr></tbody></table> </td></tr> </tbody></table> <p>El <b>sodi</b> és l'<a href="/wiki/Element_qu%C3%ADmic" title="Element químic">element químic</a> de símbol <b>Na</b> i <a href="/wiki/Nombre_at%C3%B2mic" title="Nombre atòmic">nombre atòmic</a> 11. En estat lliure és un <a href="/wiki/Metall_alcal%C3%AD" title="Metall alcalí">metall alcalí</a> tou, untuós, de color argentat. És el metall alcalí més comú i el sisè element més abundant a la <a href="/wiki/Terra" title="Terra">Terra</a>, que comprèn el 2,8 % de l'<a href="/wiki/Escor%C3%A7a_terrestre" title="Escorça terrestre">escorça terrestre</a>. Es troba abundantment a la natura en composts, especialment la sal comuna, el <a href="/wiki/Clorur_de_sodi" title="Clorur de sodi">clorur de sodi</a>, que forma el mineral <a href="/wiki/Halita" title="Halita">halita</a> i constitueix al voltant del 80 % dels <a href="/wiki/Solut" title="Solut">soluts</a> de l'<a href="/wiki/Aigua_de_mar" title="Aigua de mar">aigua de mar</a>. És molt reactiu, crema amb flama groga característica, s'<a href="/wiki/Oxidaci%C3%B3" title="Oxidació">oxida</a> en l'aire i reacciona violentament amb l'<a href="/wiki/Aigua" title="Aigua">aigua</a>. Com que és extremadament reactiu, mai es presenta en estat lliure a l'<a href="/wiki/Escor%C3%A7a_terrestre" title="Escorça terrestre">escorça terrestre</a>. El 1807 el químic anglès <a href="/wiki/Humphry_Davy" title="Humphry Davy">Humphry Davy</a> l'aïllà en estat elemental mitjançant l'<a href="/wiki/Electr%C3%B2lisi" title="Electròlisi">electròlisi</a> d'<a href="/wiki/Hidr%C3%B2xid_de_sodi" title="Hidròxid de sodi">hidròxid de sodi</a> fos. S'empra en les <a href="/wiki/L%C3%A0mpada_de_vapor_de_mercuri" title="Làmpada de vapor de mercuri">làmpades de vapor de mercuri</a>, aliat amb altres metalls com el <a href="/wiki/Potassi" title="Potassi">potassi</a> o el <a href="/wiki/Plom" title="Plom">plom</a> com a <a href="/wiki/Agent_reductor" title="Agent reductor">agent reductor</a> en <a href="/wiki/S%C3%ADntesi_org%C3%A0nica" title="Síntesi orgànica">síntesi orgànica</a>. El seus composts més importants, a part del clorur de sodi, són l'hidròxid de sodi o sosa càustica, el <a href="/wiki/Carbonat_de_sodi" title="Carbonat de sodi">carbonat de sodi</a> o sosa, el <a href="/wiki/Sulfat_de_sodi" title="Sulfat de sodi">sulfat de sodi</a> i el <a href="/wiki/Nitrat_de_sodi" title="Nitrat de sodi">nitrat de sodi</a> o salpetre de Xile. </p><p>El mot «sodi» prové del llatí científic <i>sodium</i>, creat a partir de l’anglès <i>soda</i> pel químic anglès <a href="/wiki/Humphry_Davy" title="Humphry Davy">Humphry Davy</a>, que l’aïllà el 1807.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> I «soda» prové de l'àrab vulgar <i>sáu̯da</i>, 'negre' (potser a través d’un derivat del baix llatí <i>soda</i>), origen també de l'italià <i>soda</i>.<sup id="cite_ref-GDLC_3-0" class="reference"><a href="#cite_note-GDLC-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-GDLC_3-1" class="reference"><a href="#cite_note-GDLC-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>El símbol del sodi (Na) prové de natró (llatí <i>natrium</i>, grec <i>nítron</i>), nom que rebia antigament el <a href="/wiki/Carbonat_s%C3%B2dic" class="mw-redirect" title="Carbonat sòdic">carbonat sòdic</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Història"><span id="Hist.C3.B2ria"></span>Història</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=1" title="Modifica la secció: Història"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Salines_d%27Es_Trenc-pjt3.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Salines_d%27Es_Trenc-pjt3.jpg/220px-Salines_d%27Es_Trenc-pjt3.jpg" decoding="async" width="220" height="146" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Salines_d%27Es_Trenc-pjt3.jpg/330px-Salines_d%27Es_Trenc-pjt3.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Salines_d%27Es_Trenc-pjt3.jpg/440px-Salines_d%27Es_Trenc-pjt3.jpg 2x" data-file-width="4928" data-file-height="3264" /></a><figcaption>Caramulls de sal recollida a les salines d'<a href="/wiki/Es_Trenc" title="Es Trenc">es Trenc</a>, <a href="/wiki/Mallorca" title="Mallorca">Mallorca</a>.</figcaption></figure> <p>El primer compost de sodi emprat pels humans fou el <a href="/wiki/Clorur_de_sodi" title="Clorur de sodi">clorur de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaCl}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaCl</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaCl}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9b184eac86c36238cc34de8f9844a84933192513" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.23ex; height:2.176ex;" alt="{\displaystyle {\ce {NaCl}}}" /></span>), la sal marina o sal de cuina. Sembla que fa més de 6 500 anys ja s'explotaven mines de sal en l'Añanako Gatz Harana (vall Salada d'Arana), al poble de Gesaltza Añana, <a href="/wiki/%C3%80laba" title="Àlaba">Àlaba</a>, l'explotació més antiga del món coneguda.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> A la <a href="/wiki/B%C3%ADblia" title="Bíblia">Bíblia</a>, la primera vegada que es parla de la sal és al <a href="/wiki/Lev%C3%ADtic" title="Levític">Levític</a> 2:13. Les primeres referències sobre <a href="/wiki/Salina" title="Salina">salines</a> d'evaporació hom les troba a les obres de <a href="/wiki/Titus_Livi" title="Titus Livi">Titus Livi</a> (59 aC-17 dC) i <a href="/wiki/Plini_el_Vell" title="Plini el Vell">Plini el Vell</a> (<i><a href="/wiki/Circa" title="Circa">circa</a></i> 24-79), que assenyalen que <a href="/wiki/Anc_Marci" title="Anc Marci">Anc Marci</a> (641-616 aC), quart rei de <a href="/wiki/Antiga_Roma" title="Antiga Roma">Roma</a> i fundador del port d'<a href="/wiki/%C3%92stia" title="Òstia">Òstia</a>, rompé en els <a href="/wiki/Aiguamoll" title="Aiguamoll">aiguamolls</a> del delta del <a href="/wiki/T%C3%ADber" title="Tíber">Tíber</a> les salines que subministraven sal a Roma a través de la que després s'anomenà <a href="/wiki/Via_Sal%C3%A0ria" title="Via Salària">Via Salària</a>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Trona-179863.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/29/Trona-179863.jpg/220px-Trona-179863.jpg" decoding="async" width="220" height="142" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/29/Trona-179863.jpg/330px-Trona-179863.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/29/Trona-179863.jpg/440px-Trona-179863.jpg 2x" data-file-width="600" data-file-height="386" /></a><figcaption><a href="/wiki/Trona_(mineral)" title="Trona (mineral)">Trona</a>.</figcaption></figure> <p>El <a href="/wiki/Carbonat_de_sodi" title="Carbonat de sodi">carbonat de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2CO3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>CO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2CO3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/eac50a0b59a90c61d034a20b905c3dee4b358eb8" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:8.5ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2CO3}}}" /></span>) conegut com a sosa o com a cendra de sodi, s'esmenta a <a href="/wiki/La_B%C3%ADblia" class="mw-redirect" title="La Bíblia">la Bíblia</a> com a agent de neteja (<a href="/wiki/Jeremies_(profeta)" title="Jeremies (profeta)">Jeremies</a> 2:22) encara que és anomenat nitre, nom que finalment arribà a nomenar el <a href="/wiki/Nitrat_de_potassi" title="Nitrat de potassi">nitrat de potassi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {KNO3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>KNO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {KNO3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c2a1115438784a246ce8442adbf5455576233917" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:6.414ex; height:2.843ex;" alt="{\displaystyle {\ce {KNO3}}}" /></span>). En el món antic, el carbonat de sodi es recollia a <a href="/wiki/Uadi_el_Natrun" title="Uadi el Natrun">Wadi el Natrun</a>, vall d'<a href="/wiki/Egipte" title="Egipte">Egipte</a> on es reunia l'aigua de la inundació del <a href="/wiki/Nil" title="Nil">Nil</a> cada any i que donava una collita de cristalls de sosa a mesura que s'assecava. Més tard es descobrí al <a href="/wiki/S%C3%A0hara" title="Sàhara">desert del Sàhara</a> un dipòsit superficial de <a href="/wiki/Trona_(mineral)" title="Trona (mineral)">trona</a>, una altra mineral de carbonat de sodi, des d'on es transportava a <a href="/wiki/Tr%C3%ADpoli" title="Trípoli">Trípoli</a> i s'exportava. La demanda de carbonat de sodi provenia en part del seu ús com a ajuda per al rentatge (soda de rentada) i en part perquè era necessari per fabricar <a href="/wiki/Vidre" title="Vidre">vidre</a>. En molts llocs s'obtenia a partir de cendres vegetals, especialment la de certs tipus de <a href="/wiki/Falgueres" title="Falgueres">falgueres</a> que tenen alts nivells de sodi. Tanmateix, arribà un moment que no fou possible satisfer la demanda de carbonat de sodi creada per la <a href="/wiki/Revoluci%C3%B3_Industrial" title="Revolució Industrial">Revolució Industrial</a> i, l'any 1783, el químic francès <a href="/wiki/Nicolas_Leblanc" title="Nicolas Leblanc">Nicolas Leblanc</a> (1742-1806) posà a punt un mètode per produir-lo a partir de sal comuna, <a href="/wiki/Clorur_de_sodi" title="Clorur de sodi">clorur de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaCl}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaCl</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaCl}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9b184eac86c36238cc34de8f9844a84933192513" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.23ex; height:2.176ex;" alt="{\displaystyle {\ce {NaCl}}}" /></span>). A principis del segle <span title="Nombre escrit en xifres romanes" style="font-variant:small-caps;">xviii</span>, <a href="/w/index.php?title=Henri-Louis_Duhamel_du_Monceau&action=edit&redlink=1" class="new" title="Henri-Louis Duhamel du Monceau (encara no existeix)">Henri-Louis Duhamel du Monceau</a> (1700-1782) havia descobert que la sal es podia convertir en sosa dissolent-la en <a href="/wiki/%C3%80cid_n%C3%ADtric" title="Àcid nítric">àcid nítric</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {HNO3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>HNO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {HNO3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/25c576f45843d1c1330fb11d17227817b027ccde" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:6.349ex; height:2.843ex;" alt="{\displaystyle {\ce {HNO3}}}" /></span>), bullint-la a sequedat i escalfant-la després amb <a href="/wiki/Carb%C3%B3_vegetal" title="Carbó vegetal">carbó vegetal</a>. El procés de Leblanc utilitzava <a href="/wiki/%C3%80cid_sulf%C3%BAric" title="Àcid sulfúric">àcid sulfúric</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {H2SO4}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>SO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {H2SO4}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/6703e3d63d91c698caf61db7286069a49ce5c1af" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:6.952ex; height:2.843ex;" alt="{\displaystyle {\ce {H2SO4}}}" /></span>), més barat, per formar <a href="/wiki/Sulfat_de_sodi" title="Sulfat de sodi">sulfat de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2SO4}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>SO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2SO4}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c01f23eacc3a5b53be0e5284963efebcb343520e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:8.115ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2SO4}}}" /></span>) que posteriorment s'escalfava amb <a href="/wiki/Pedra_calc%C3%A0ria" title="Pedra calcària">pedra calcària</a> (<a href="/wiki/Carbonat_de_calci" title="Carbonat de calci">carbonat de calci</a>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {CaCO3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>CaCO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {CaCO3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/443620def2cf998ae0099d9393c1013268b05081" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:7.381ex; height:2.843ex;" alt="{\displaystyle {\ce {CaCO3}}}" /></span>) i carbó vegetal.<sup id="cite_ref-:0_7-0" class="reference"><a href="#cite_note-:0-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Sir_Humphry_Davy,_Bt_by_Thomas_Phillips.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Sir_Humphry_Davy%2C_Bt_by_Thomas_Phillips.jpg/220px-Sir_Humphry_Davy%2C_Bt_by_Thomas_Phillips.jpg" decoding="async" width="220" height="286" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Sir_Humphry_Davy%2C_Bt_by_Thomas_Phillips.jpg/330px-Sir_Humphry_Davy%2C_Bt_by_Thomas_Phillips.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Sir_Humphry_Davy%2C_Bt_by_Thomas_Phillips.jpg/440px-Sir_Humphry_Davy%2C_Bt_by_Thomas_Phillips.jpg 2x" data-file-width="2400" data-file-height="3123" /></a><figcaption><a href="/wiki/Humphry_Davy" title="Humphry Davy">Humphry Davy</a>, el 1821.</figcaption></figure> <p>Fins i tot a principis del segle <span title="Nombre escrit en xifres romanes" style="font-variant:small-caps;">xix</span>, la composició elemental de la sal i la sosa continuava sent un misteri. El químic francès <a href="/wiki/Antoine_Lavoisier" title="Antoine Lavoisier">Antoine L. Lavoisier</a> (1743-1794) fins i tot pensava que la sal podria contenir nitrogen. La resposta vengué de la <a href="/wiki/Royal_Institution_of_Great_Britain" title="Royal Institution of Great Britain">Royal Institution</a> de Londres l'octubre de 1807 quan <a href="/wiki/Humphry_Davy" title="Humphry Davy">Humphry Davy</a> (1778-1829), mitjançant l'<a href="/wiki/Electr%C3%B2lisi" title="Electròlisi">electròlisi</a>, reduí la sosa càustica (<a href="/wiki/Hidr%C3%B2xid_de_sodi" title="Hidròxid de sodi">hidròxid de sodi</a>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaOH}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaOH</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaOH}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a4b18cf9f5cbc622e8196a33ded17befa65a97cc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.457ex; height:2.176ex;" alt="{\displaystyle {\ce {NaOH}}}" /></span>) a sodi. Abans ja havia produït <a href="/wiki/Potassi" title="Potassi">potassi</a> metàl·lic mitjançant l'electròlisi de l'<a href="/wiki/Hidr%C3%B2xid_de_potassi" title="Hidròxid de potassi">hidròxid de potassi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {KOH}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>KOH</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {KOH}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8191ea79c3b4260f2c758cebf339aa458296ebaa" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.359ex; height:2.176ex;" alt="{\displaystyle {\ce {KOH}}}" /></span>) i després se centrà en la sosa càustica de la qual obtingué bolletes de sodi.<sup id="cite_ref-:0_7-1" class="reference"><a href="#cite_note-:0-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p>L'any següent, <a href="/wiki/Joseph-Louis_Gay-Lussac" title="Joseph-Louis Gay-Lussac">Joseph Louis Gay-Lussac</a> (1778-1850) i <a href="/wiki/Louis_Jacques_Th%C3%A9nard" title="Louis Jacques Thénard">Louis-Jacques Thénard</a> (1777-1857) aconseguiren sodi escalfant sosa càustica i llimadures de ferro a calor vermell. Més tard aquell segle, el sodi es produí a partir de carbonat de sodi i carboni a 1.100 °C, i es va fabricar comercialment mitjançant l'electròlisi d'hidròxid de sodi, el mètode utilitzat per Davy.<sup id="cite_ref-:0_7-2" class="reference"><a href="#cite_note-:0-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Flametest--Na.swn.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Flametest--Na.swn.jpg/220px-Flametest--Na.swn.jpg" decoding="async" width="220" height="367" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Flametest--Na.swn.jpg/330px-Flametest--Na.swn.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Flametest--Na.swn.jpg/440px-Flametest--Na.swn.jpg 2x" data-file-width="1500" data-file-height="2500" /></a><figcaption>Escalfant l'<a href="/wiki/Hidrogencarbonat_de_sodi" title="Hidrogencarbonat de sodi">hidrogencarbonat de sodi</a> en un <a href="/wiki/Bec_bunsen" class="mw-redirect" title="Bec bunsen">bec bunsen</a> s'obté el color groc propi d'aquest element de la línia D.</figcaption></figure> <div class="mw-heading mw-heading2"><h2 id="Abundància"><span id="Abund.C3.A0ncia"></span>Abundància</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=2" title="Modifica la secció: Abundància"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>El sodi és relativament abundant en les <a href="/wiki/Estrella" class="mw-redirect" title="Estrella">estrelles</a>, detectant-se la seva presència a través de la <a href="/wiki/L%C3%ADnia_espectral" title="Línia espectral">línia</a> D de l'espectre solar, situada en el groc. De fet, el color groc del <a href="/wiki/Sol" title="Sol">Sol</a> i d'altres <a href="/wiki/Estel" title="Estel">estels</a> és degut a l'emissió d'aquesta <a href="/wiki/Radiaci%C3%B3_electromagn%C3%A8tica" title="Radiació electromagnètica">radiació</a> per part d'àtoms de sodi en estat excitat.<sup id="cite_ref-:0_7-3" class="reference"><a href="#cite_note-:0-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Als estels s'hi produeix en la reacció de <a href="/wiki/Fusi%C3%B3_nuclear" title="Fusió nuclear">fusió nuclear</a> de dos <a href="/wiki/N%C3%BAclid" title="Núclid">núclids</a> de <a href="/wiki/Carboni_12" title="Carboni 12">carboni 12</a>:<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-display mwe-math-mathml-a11y" style="display: none;"><math display="block" xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {^12_6C + ^12_6C -> ^23_11Na + ^1_1H}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mmultiscripts> <mtext>C</mtext> <none></none> <none></none> <mprescripts></mprescripts> <mn>6</mn> <mn>12</mn> </mmultiscripts> <mo>+</mo> <mmultiscripts> <mtext>C</mtext> <none></none> <none></none> <mprescripts></mprescripts> <mn>6</mn> <mn>12</mn> </mmultiscripts> <mo stretchy="false">⟶</mo> <mmultiscripts> <mtext>Na</mtext> <none></none> <none></none> <mprescripts></mprescripts> <mn>11</mn> <mn>23</mn> </mmultiscripts> <mo>+</mo> <mmultiscripts> <mtext>H</mtext> <none></none> <none></none> <mprescripts></mprescripts> <mn>1</mn> <mn>1</mn> </mmultiscripts> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {^12_6C + ^12_6C -> ^23_11Na + ^1_1H}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4e96a935fecaeea03ae46f0df8806849b5857507" class="mwe-math-fallback-image-display mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:25.232ex; height:3.176ex;" alt="{\displaystyle {\ce {^12_6C + ^12_6C -> ^23_11Na + ^1_1H}}}" /></span> </p><p>L'<a href="/wiki/Escor%C3%A7a_terrestre" title="Escorça terrestre">escorça terrestre</a> conté un 2,93 % de sodi amb una concentració de 22 700 ppm, la qual cosa el converteix en el sisè element més abundant, i el més abundant dels <a href="/wiki/Metall_alcal%C3%AD" title="Metall alcalí">metalls alcalins</a>. Després del clor és el segon element més abundant a l'<a href="/wiki/Aigua_de_mar" title="Aigua de mar">aigua de la mar</a>.<sup id="cite_ref-:1_9-0" class="reference"><a href="#cite_note-:1-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Albite-182763.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Albite-182763.jpg/220px-Albite-182763.jpg" decoding="async" width="220" height="194" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Albite-182763.jpg/330px-Albite-182763.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Albite-182763.jpg/440px-Albite-182763.jpg 2x" data-file-width="600" data-file-height="530" /></a><figcaption><a href="/wiki/Albita" title="Albita">Albita</a>.</figcaption></figure> <p>S'han identificat més de mil minerals que contenen sodi en la seva composició. Els minerals que presenten en una proporció en sodi superior al 37  % són: <a href="/wiki/Vil%C2%B7liaumita" title="Vil·liaumita">vil·liaumita</a> (<a href="/wiki/Fluorur_de_sodi" title="Fluorur de sodi">fluorur de sodi</a>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaF}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaF</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaF}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ce346bc5a4959cf4473aaae4255ea8807ff4042c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:4.423ex; height:2.176ex;" alt="{\displaystyle {\ce {NaF}}}" /></span>) 54,75  %, <a href="/wiki/Natrita" title="Natrita">natrita</a> (<a href="/wiki/Carbonat_de_sodi" title="Carbonat de sodi">carbonat de sodi</a>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2CO3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>CO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2CO3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/eac50a0b59a90c61d034a20b905c3dee4b358eb8" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:8.5ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2CO3}}}" /></span>) 43,38  %, <a href="/wiki/Halita" title="Halita">halita</a> (<a href="/wiki/Clorur_de_sodi" title="Clorur de sodi">clorur de sodi</a>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaCl}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaCl</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaCl}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9b184eac86c36238cc34de8f9844a84933192513" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.23ex; height:2.176ex;" alt="{\displaystyle {\ce {NaCl}}}" /></span>) 39,34  %, <a href="/wiki/Kogarko%C3%AFta" title="Kogarkoïta">kogarkoïta</a> (fluorur sulfat de sodi, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na3SO4F}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>SO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>F</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na3SO4F}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/02cfdd8896a92fa6d42b1f3debfa9eefb0436569" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:9.633ex; height:2.843ex;" alt="{\displaystyle {\ce {Na3SO4F}}}" /></span> 37,48  %, i <a href="/wiki/Termonatrita" title="Termonatrita">termonatrita</a> (carbonat de sodi—aigua(1/1), <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2CO3.H2O}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>CO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mo>⋅</mo> <msubsup> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>O</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2CO3.H2O}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/063abd89f7766114270c5c3b0deb3542f8892008" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:14.785ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2CO3.H2O}}}" /></span>) 37,08  %.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>El mineral més abundant amb sodi a l'escorça terrestre és un <a href="/wiki/Feldespat" title="Feldespat">feldespat</a>, l'<a href="/wiki/Albita" title="Albita">albita</a>, un silicat d'alumini i sodi de fórmula <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaAlSi3O8}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>NaAlSi</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>O</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>8</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaAlSi3O8}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/42ba904a1cd5e446743572e979d328b23e97a47a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:11.151ex; height:2.843ex;" alt="{\displaystyle {\ce {NaAlSi3O8}}}" /></span>. Juntament amb l'<a href="/wiki/Anortita" title="Anortita">anortita</a>, el silicat <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {CaAl2Si2O8}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>CaAl</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>Si</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>O</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>8</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {CaAl2Si2O8}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5471b5b80b2ce4eda0f570ee6125b245c314801d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:12.141ex; height:2.843ex;" alt="{\displaystyle {\ce {CaAl2Si2O8}}}" /></span>, constitueixen mescles anomenades <a href="/wiki/Plagi%C3%B2clasi" title="Plagiòclasi">plagiòclasi</a>, que representen el 39 % de l'escorça terrestre.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Obtenció"><span id="Obtenci.C3.B3"></span>Obtenció</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=3" title="Modifica la secció: Obtenció"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Downs_cell_diagram.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Downs_cell_diagram.jpg/220px-Downs_cell_diagram.jpg" decoding="async" width="220" height="188" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Downs_cell_diagram.jpg/330px-Downs_cell_diagram.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Downs_cell_diagram.jpg/440px-Downs_cell_diagram.jpg 2x" data-file-width="731" data-file-height="624" /></a><figcaption>Esquema del procés Downs.</figcaption></figure> <p>El sodi metàl·lic s'obté principalment pel procés de Downs patentat el 1924 pel químic estatunidenc <a href="/w/index.php?title=James_Cloyd_Downs&action=edit&redlink=1" class="new" title="James Cloyd Downs (encara no existeix)">James Cloyd Downs</a> (1885–1957) i consistent en una <a href="/wiki/Electr%C3%B2lisi" title="Electròlisi">electròlisi</a> del <a href="/wiki/Clorur_de_sodi" title="Clorur de sodi">clorur de sodi</a>. El bany electrolític conté clorur de sodi (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaCl}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaCl</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaCl}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9b184eac86c36238cc34de8f9844a84933192513" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.23ex; height:2.176ex;" alt="{\displaystyle {\ce {NaCl}}}" /></span>) fus i <a href="/wiki/Clorur_de_calci" title="Clorur de calci">clorur de calci</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {CaCl2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>CaCl</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {CaCl2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a4a568dd23b6accc3e836cd448bebe96b18fb275" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:6.22ex; height:2.843ex;" alt="{\displaystyle {\ce {CaCl2}}}" /></span>). La presència de clorur de calci disminueix el punt de fusió de la mescla a uns 800-850 °C.<sup id="cite_ref-:1_9-1" class="reference"><a href="#cite_note-:1-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>La cel·la Downs és un gran recipient d'acer refractari revestit. Els <a href="/wiki/%C3%80node" title="Ànode">ànodes</a> de <a href="/wiki/Grafit" title="Grafit">grafit</a> surten del <a href="/wiki/C%C3%A0tode" title="Càtode">càtode</a> cilíndric d'acer que l'envolta. El clor, gasós, surt per la part superior de la cel·la i el sodi, que és més lleuger que l'electròlit fos, s'acumula damunt de l'electròlit, es recull i es manté sota <a href="/wiki/Queros%C3%A8" title="Querosè">querosè</a> per evitar la seva <a href="/wiki/Oxidaci%C3%B3" title="Oxidació">oxidació</a>. El sodi aconseguit d'aquesta manera és 99,8 % pur.<sup id="cite_ref-:1_9-2" class="reference"><a href="#cite_note-:1-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Propietats">Propietats</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=4" title="Modifica la secció: Propietats"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Propietats_físiques"><span id="Propietats_f.C3.ADsiques"></span>Propietats físiques</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=5" title="Modifica la secció: Propietats físiques"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Sodium_metal_chunks_in_oil.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Sodium_metal_chunks_in_oil.jpg/250px-Sodium_metal_chunks_in_oil.jpg" decoding="async" width="220" height="333" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Sodium_metal_chunks_in_oil.jpg/330px-Sodium_metal_chunks_in_oil.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/b/bb/Sodium_metal_chunks_in_oil.jpg 2x" data-file-width="344" data-file-height="521" /></a><figcaption>Sodi conservant dins d'un hidrocarbur per evitar la seva oxidació en contacte amb la humitat de l'aire.</figcaption></figure> <p>Igual que altres <a href="/wiki/Metall_alcal%C3%AD" title="Metall alcalí">metalls alcalins</a>, el sodi és un metall tou, lleuger i de color argentat que no es troba lliure en la naturalesa. Té un punt de fusió de 97,82 °C, un punt d'ebullició de 881,4 °C i una densitat 0,968 g/cm³ a 20 °C, per la qual cosa flota damunt de l'aigua. És insoluble en aigua, amb la qual reacciona; insoluble en <a href="/wiki/Benz%C3%A8" title="Benzè">benzè</a>, <a href="/wiki/Queros%C3%A8" title="Querosè">querosè</a> i <a href="/wiki/Nafta_(material)" title="Nafta (material)">nafta</a>. És soluble en <a href="/wiki/Amon%C3%ADac" title="Amoníac">amoníac</a>, donant lloc a una dissolució de color blau, i soluble en mercuri, amb el qual forma una <a href="/wiki/Amalgama_(qu%C3%ADmica)" title="Amalgama (química)">amalgama</a>.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>El sodi només té una <a href="/wiki/Estructura_cristal%C2%B7lina" title="Estructura cristal·lina">estructura cristal·lina</a>, la <a href="/wiki/Sistema_cristal%C2%B7l%C3%AD_c%C3%BAbic" title="Sistema cristal·lí cúbic">cúbica centrada en el cos</a>. El <a href="/wiki/Radi_at%C3%B2mic" title="Radi atòmic">radi atòmic</a> és de 185 pm, el <a href="/wiki/Radi_i%C3%B2nic" title="Radi iònic">radi iònic</a> de 97 pm i la configuració electrònica és 1<i>s</i><sup>2</sup> 2<i>s</i><sup>2</sup>2<i>p</i><sup>6</sup> 3<i>s<sup>1</sup>.</i><sup id="cite_ref-:5_13-0" class="reference"><a href="#cite_note-:5-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Propietats_químiques"><span id="Propietats_qu.C3.ADmiques"></span>Propietats químiques</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=6" title="Modifica la secció: Propietats químiques"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>El sodi reacciona amb molts elements i substàncies i forma compostos ben definits amb una sèrie de metalls, sempre amb <a href="/wiki/Estat_d%27oxidaci%C3%B3" title="Estat d'oxidació">nombre d'oxidació</a> +1. L'<a href="/wiki/Hidrogen" title="Hidrogen">hidrogen</a> i el sodi no reaccionen a temperatura ambient, però a 200–350 °C es forma <a href="/wiki/Hidrur_de_sodi" title="Hidrur de sodi">hidrur de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaH}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaH</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaH}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/609422cc0bba6dc2c9c9aaa5e9489eea357a24a9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:4.649ex; height:2.176ex;" alt="{\displaystyle {\ce {NaH}}}" /></span>).<sup id="cite_ref-:5_13-1" class="reference"><a href="#cite_note-:5-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Reaccions_amb_metalls">Reaccions amb metalls</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=7" title="Modifica la secció: Reaccions amb metalls"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>El sodi és completament miscible amb els <a href="/wiki/Metall_alcal%C3%AD" title="Metall alcalí">metalls alcalins</a> que te a sota a la <a href="/wiki/Taula_peri%C3%B2dica" title="Taula periòdica">taula periòdica</a> (<a href="/wiki/Potassi" title="Potassi">potassi</a>, <a href="/wiki/Rubidi" title="Rubidi">rubidi</a> i <a href="/wiki/Cesi" title="Cesi">cesi</a>). El sistema sodi-potassi forma un <a href="/wiki/Eut%C3%A8ctic" class="mw-redirect" title="Eutèctic">eutèctic</a> que es fon a −10 °C amb una composició d'un 22 % de sodi i conegut com <a href="/wiki/NaK" title="NaK">NaK</a>. Els eutèctics formats als sistemes sodi-rubidi i sodi-cesi es fonen a −4,5 i −30 °C, respectivament. L'aliatge ternari NaKCs es fon a −78 °C i és l'aliatge líquid amb el menor punt de fusió existent.<sup id="cite_ref-:6_14-0" class="reference"><a href="#cite_note-:6-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>El sodi també forma aliatges amb els metalls <a href="/wiki/Alcalinoterri" title="Alcalinoterri">alcalinoterris</a> i el grau de solubilitat augmenta amb l'augment de la massa atòmica. El <a href="/wiki/Beril%C2%B7li" title="Beril·li">beril·li</a> és soluble en sodi només en un petit percentatge a aproximadament 800 °C. El sodi líquid i el <a href="/wiki/Magnesi" title="Magnesi">magnesi</a> només són parcialment miscibles. La solubilitat amb el <a href="/wiki/Calci" title="Calci">calci</a> és del 10 % a 700 °C i el sistema sodi-<a href="/wiki/Estronci" title="Estronci">estronci</a>, té un grau considerable de miscibilitat. El sodi forma una sèrie de compostos amb el <a href="/wiki/Bari_(element)" title="Bari (element)">bari</a> i hi ha diversos eutèctics al sistema.<sup id="cite_ref-:6_14-1" class="reference"><a href="#cite_note-:6-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>Els metalls preciosos (<a href="/wiki/Argent" title="Argent">argent</a>, <a href="/wiki/Or" title="Or">or</a>, <a href="/wiki/Plat%C3%AD" title="Platí">platí</a>, <a href="/wiki/Pal%C2%B7ladi_(element)" title="Pal·ladi (element)">pal·ladi</a> i <a href="/wiki/Iridi" title="Iridi">iridi</a>), i els blancs (<a href="/wiki/Plom" title="Plom">plom</a>, <a href="/wiki/Estany_(element)" title="Estany (element)">estany</a>, <a href="/wiki/Bismut" title="Bismut">bismut</a> i <a href="/wiki/Antimoni" title="Antimoni">antimoni</a>), s'alien en una mesura apreciable amb el sodi líquid. El <a href="/wiki/Cadmi" title="Cadmi">cadmi</a> i el <a href="/wiki/Mercuri_(element)" title="Mercuri (element)">mercuri</a> també reaccionen amb el sodi, i existeixen diversos compostos en ambdós sistemes binaris. Es coneixen set amalgames de sodi-mercuri, amb <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Hg2Na}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Hg</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>Na</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Hg2Na}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1396146b6eff35911698bfa034593b3660d9d7e9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:6.865ex; height:2.843ex;" alt="{\displaystyle {\ce {Hg2Na}}}" /></span> que té el punt de fusió més alt (354 °C).<sup id="cite_ref-:6_14-2" class="reference"><a href="#cite_note-:6-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Reaccions_amb_l'oxigen_i_òxids"><span id="Reaccions_amb_l.27oxigen_i_.C3.B2xids"></span>Reaccions amb l'oxigen i òxids</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=8" title="Modifica la secció: Reaccions amb l'oxigen i òxids"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>El sodi s'ha d'aïllar de la <a href="/wiki/Humitat" title="Humitat">humitat</a> de l'aire perquè s'oxida, però no reacciona amb l'oxigen o l'aire ben secs, tret de la possible formació d'una pel·lícula superficial d'òxid transparent. Quan s'escalfa a l'aire, el sodi s'encén a uns 120 °C i crema amb una flama groga i un dens fum blanc. En presència d'aire amb poc oxigen i a menys de 160 °C es forma majoritàriament <a href="/wiki/%C3%92xid_de_sodi" title="Òxid de sodi">òxid de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2O}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>O</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2O}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0e8121ae193d98bb20f40d782e872feab8465d52" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:5.768ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2O}}}" /></span>). A 250-300 °C en presència d'oxigen suficient, es produeix <a href="/wiki/Per%C3%B2xid_de_sodi" title="Peròxid de sodi">peròxid de sodi</a>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2O2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>O</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2O2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0fecd13f6a1125887a52ff4185eadf6c74ed2998" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:6.822ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2O2}}}" /></span>, juntament amb petites quantitats de <a href="/w/index.php?title=Super%C3%B2xid_de_sodi&action=edit&redlink=1" class="new" title="Superòxid de sodi (encara no existeix)">superòxid de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaO2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>NaO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaO2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/dc8b3af12204f84458c45eab09155500e35d70ea" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:5.768ex; height:2.843ex;" alt="{\displaystyle {\ce {NaO2}}}" /></span>).<sup id="cite_ref-:4_15-0" class="reference"><a href="#cite_note-:4-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> Les reaccions són: </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-display mwe-math-mathml-a11y" style="display: none;"><math display="block" xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {2Na + O2 -> 2Na2O2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> <mspace width="thinmathspace"></mspace> <mtext>Na</mtext> <mo>+</mo> <msubsup> <mtext>O</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mo stretchy="false">⟶</mo> <mn>2</mn> <mspace width="thinmathspace"></mspace> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>O</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {2Na + O2 -> 2Na2O2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3df6da475dd972f800241e242527d70ff0878916" class="mwe-math-fallback-image-display mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:23.626ex; height:2.843ex;" alt="{\displaystyle {\ce {2Na + O2 -> 2Na2O2}}}" /></span><span class="mwe-math-element"><span class="mwe-math-mathml-display mwe-math-mathml-a11y" style="display: none;"><math display="block" xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {4Na + O2 -> 2Na2O}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> <mspace width="thinmathspace"></mspace> <mtext>Na</mtext> <mo>+</mo> <msubsup> <mtext>O</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mo stretchy="false">⟶</mo> <mn>2</mn> <mspace width="thinmathspace"></mspace> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>O</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {4Na + O2 -> 2Na2O}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/96408bf758b5f2c6788d0239297fa6e876328134" class="mwe-math-fallback-image-display mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:22.571ex; height:2.843ex;" alt="{\displaystyle {\ce {4Na + O2 -> 2Na2O}}}" /></span> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Sodium_and_Water.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Sodium_and_Water.png/220px-Sodium_and_Water.png" decoding="async" width="220" height="207" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Sodium_and_Water.png/330px-Sodium_and_Water.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Sodium_and_Water.png/440px-Sodium_and_Water.png 2x" data-file-width="1195" data-file-height="1125" /></a><figcaption>Reacció violenta del sodi amb aigua.</figcaption></figure> <p>La reacció del sodi i l'aigua és una reacció molt ràpida i <a href="/wiki/Reacci%C3%B3_exot%C3%A8rmica" title="Reacció exotèrmica">exotèrmica</a>. La calor alliberada fon el sodi i sovint s'encén l'hidrogen si hi ha aire i forma aigua. Segueix l'equació següent:<sup id="cite_ref-:5_13-2" class="reference"><a href="#cite_note-:5-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-display mwe-math-mathml-a11y" style="display: none;"><math display="block" xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na + H2O -> NaOH + 1/2 H2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>Na</mtext> <mo>+</mo> <msubsup> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>O</mtext> <mo stretchy="false">⟶</mo> <mtext>NaOH</mtext> <mo>+</mo> <mstyle displaystyle="false" scriptlevel="0"> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mstyle> <msubsup> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na + H2O -> NaOH + 1/2 H2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ab3534c4ab6b206d3e6e5a837d5172d90ac598a4" class="mwe-math-fallback-image-display mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.171ex; width:29.2ex; height:3.509ex;" alt="{\displaystyle {\ce {Na + H2O -> NaOH + 1/2 H2}}}" /></span> </p><p>El sodi <a href="/wiki/Reducci%C3%B3_(qu%C3%ADmica)" class="mw-redirect" title="Reducció (química)">redueix</a> els <a href="/wiki/%C3%92xid" title="Òxid">òxids</a> dels elements del seu grup excepte l'<a href="/wiki/%C3%92xid_de_liti" title="Òxid de liti">òxid de liti</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Li2O}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Li</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>O</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Li2O}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/6c00a39d1a42552b99aed8d0e7a54e7dc883eb95" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:4.962ex; height:2.843ex;" alt="{\displaystyle {\ce {Li2O}}}" /></span>), no redueix els òxids dels <a href="/wiki/Alcalinoterri" title="Alcalinoterri">alcalinoterris</a>, però sí els del <a href="/wiki/Grup_12_de_la_taula_peri%C3%B2dica" title="Grup 12 de la taula periòdica">grup 12</a>. Molts altres òxids es redueixen pel sodi metàl·lic. L'<a href="/wiki/%C3%92xid_de_ferro(III)" title="Òxid de ferro(III)">òxid de ferro(III)</a> ( <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Fe2O3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Fe</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>O</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Fe2O3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/67387a48fd62de5da7e938c251a11ca99738e18f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:6.467ex; height:2.843ex;" alt="{\displaystyle {\ce {Fe2O3}}}" /></span>) es redueix amb sodi per sota d'uns 1200 °C i per sobre d'aquesta temperatura la reacció s'inverteix.<sup id="cite_ref-:4_15-1" class="reference"><a href="#cite_note-:4-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Reaccions_amb_els_elements_del_grup_14">Reaccions amb els elements del grup 14</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=9" title="Modifica la secció: Reaccions amb els elements del grup 14"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>El <a href="/wiki/Carboni" title="Carboni">carboni</a> i el sodi no reaccionen. A 500–700 °C, el sodi i el <a href="/wiki/Carbonat_de_sodi" title="Carbonat de sodi">carbonat de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2CO3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>CO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2CO3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/eac50a0b59a90c61d034a20b905c3dee4b358eb8" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:8.5ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2CO3}}}" /></span>) produeixen <a href="/w/index.php?title=Carbur_de_sodi&action=edit&redlink=1" class="new" title="Carbur de sodi (encara no existeix)">carbur de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2C2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>C</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2C2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c00da158c68d802489e39baff3afe6ba494a1c6d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:6.692ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2C2}}}" /></span>); per sobre de 700 °C, també es forma carboni lliure. El sodi reacciona amb el <a href="/wiki/Mon%C3%B2xid_de_carboni" title="Monòxid de carboni">monòxid de carboni</a>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {CO}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>CO</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {CO}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/bf2a888c2c193ddb2937e2c7e85aadaa0a4e9513" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:3.486ex; height:2.176ex;" alt="{\displaystyle {\ce {CO}}}" /></span>, per donar carbur de sodi, i amb l'<a href="/wiki/Acetil%C3%A8" title="Acetilè">acetilè</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {C2H2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>C</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {C2H2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3fa223ce087c2fdd45be255838d1470f9f81afc2" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:5.53ex; height:2.843ex;" alt="{\displaystyle {\ce {C2H2}}}" /></span>) per donar <a href="/w/index.php?title=Acetilur_de_sodi&action=edit&redlink=1" class="new" title="Acetilur de sodi (encara no existeix)">acetilur de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaHC2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>NaHC</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaHC2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5d1c54b7fad5e75b6ec46839d6655c2c6c367e59" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:7.381ex; height:2.843ex;" alt="{\displaystyle {\ce {NaHC2}}}" /></span>) i carbur de sodi. El <a href="/wiki/Di%C3%B2xid_de_carboni" title="Diòxid de carboni">diòxid de carboni</a> i el sodi no reaccionen a temperatura ambient, però ho fan violentament si s'escalfa el sodi o emprant diòxid de carboni sòlid (<a href="/wiki/Gel_sec" title="Gel sec">gel sec</a>). En condicions controlades, es pot obtenir <a href="/w/index.php?title=Metanoat_de_sodi&action=edit&redlink=1" class="new" title="Metanoat de sodi (encara no existeix)">metanoat de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {HCOONa}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>HCOONa</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {HCOONa}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7023b8602801a39ea18ec19845215699e14a47ca" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:9.943ex; height:2.176ex;" alt="{\displaystyle {\ce {HCOONa}}}" /></span>) o <a href="/wiki/Oxalat_de_sodi" title="Oxalat de sodi">oxalat de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2C2O4}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>C</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>O</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2C2O4}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ae9b2a1c0ef2c45d8c9b75d226efa51d4e3b4777" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:9.554ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2C2O4}}}" /></span>). A més de la reacció de formació de carbur, el monòxid de carboni reacciona amb el sodi a 250-340 °C per produir <a href="/w/index.php?title=Carbonil_de_sodi&action=edit&redlink=1" class="new" title="Carbonil de sodi (encara no existeix)">carbonil de sodi</a>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na(CO)6}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>Na</mtext> <msubsup> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">(</mo> <mtext>CO</mtext> <mo stretchy="false">)</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>6</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na(CO)6}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/6f9912b2136efd8360c0ec5a8a51db6de8b9ee9d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:9.255ex; height:3.009ex;" alt="{\displaystyle {\ce {Na(CO)6}}}" /></span>. Alguns <a href="/wiki/Cianur" title="Cianur">cianurs</a> de metalls pesants també són reduïts pel sodi. El <a href="/w/index.php?title=Siliciur_de_sodi&action=edit&redlink=1" class="new" title="Siliciur de sodi (encara no existeix)">siliciur de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaSi}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaSi</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaSi}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2e1c3f51eedf036021f542670c971bb0fd2bf81a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:4.845ex; height:2.176ex;" alt="{\displaystyle {\ce {NaSi}}}" /></span>) s'obté fent reaccionar de sodi i <a href="/wiki/Silici" title="Silici">silici</a>.<sup id="cite_ref-:4_15-2" class="reference"><a href="#cite_note-:4-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Reaccions_amb_els_elements_del_grup_15">Reaccions amb els elements del grup 15</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=10" title="Modifica la secció: Reaccions amb els elements del grup 15"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>El nitrogen i el sodi només reaccionen per acció d'una <a href="/wiki/Enrampada_el%C3%A8ctrica" title="Enrampada elèctrica">descàrrega elèctrica</a> per donar el <a href="/w/index.php?title=Nitrur_de_sodi&action=edit&redlink=1" class="new" title="Nitrur de sodi (encara no existeix)">nitrur de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na3N}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>N</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na3N}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8826eb702b2637ba234393fd5b3b04ab9bf1af69" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:5.703ex; height:2.843ex;" alt="{\displaystyle {\ce {Na3N}}}" /></span>) o l'<a href="/wiki/Azida_de_sodi" title="Azida de sodi">azida de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaN}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaN</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaN}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c19fd22953f4c99dc86fb725afbb2b03b1db956e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:4.649ex; height:2.176ex;" alt="{\displaystyle {\ce {NaN}}}" /></span>). El sodi reacciona amb l'<a href="/wiki/%C3%92xid_de_dinitrogen" title="Òxid de dinitrogen">òxid de dinitrogen</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {N2O}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>N</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>O</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {N2O}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b1fd51c033addce285a33203f5b932656b5af841" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:4.605ex; height:2.843ex;" alt="{\displaystyle {\ce {N2O}}}" /></span>) per formar òxid de sodi i crema en <a href="/wiki/Mon%C3%B2xid_de_nitrogen" title="Monòxid de nitrogen">monòxid de nitrogen</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NO}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NO</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NO}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ce2b9ce4dd2888f2752f52c205dd212297bde28d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:3.551ex; height:2.176ex;" alt="{\displaystyle {\ce {NO}}}" /></span>) per formar una barreja de <a href="/wiki/Nitrit_de_sodi" title="Nitrit de sodi">nitrit de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaNO2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>NaNO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaNO2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3da713010a8d6878ab5b1dbacb25ea4f94bd939c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:7.511ex; height:2.843ex;" alt="{\displaystyle {\ce {NaNO2}}}" /></span>) i <a href="/w/index.php?title=Hiponitrit_de_sodi&action=edit&redlink=1" class="new" title="Hiponitrit de sodi (encara no existeix)">hiponitrit de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2N2O2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>N</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>O</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2N2O2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b9b7c33fffe9646a3b36cca390304d7ba01555cb" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:9.62ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2N2O2}}}" /></span>). A baixa temperatura, el <a href="/wiki/Penta%C3%B2xid_de_dinitrogen" title="Pentaòxid de dinitrogen">pentaòxid de nitroge</a>n (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {N2O5}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>N</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>O</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {N2O5}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9622d16488ea1a6b5ff15067ed1a7dadb615f4fd" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:5.66ex; height:2.843ex;" alt="{\displaystyle {\ce {N2O5}}}" /></span>) líquid reacciona amb el sodi i dona <a href="/wiki/Di%C3%B2xid_de_nitrogen" title="Diòxid de nitrogen">diòxid de nitrogen</a> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NO2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>NO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NO2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/949ddff76b789c36d0a12edaa49e08377ffbf8e9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:4.605ex; height:2.843ex;" alt="{\displaystyle {\ce {NO2}}}" /></span>) i <a href="/wiki/Nitrat_de_sodi" title="Nitrat de sodi">nitrat de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaNO3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>NaNO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaNO3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/06f93140bb5019c4ab32c36fea06811305639bd9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:7.511ex; height:2.843ex;" alt="{\displaystyle {\ce {NaNO3}}}" /></span>). L'<a href="/wiki/Amida_de_sodi" title="Amida de sodi">amida de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaNH2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>NaNH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaNH2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a9df580afd472391691d20af28d58c0d4fc7cc74" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:7.446ex; height:2.843ex;" alt="{\displaystyle {\ce {NaNH2}}}" /></span>), es forma per la reacció de l'<a href="/wiki/Amon%C3%ADac" title="Amoníac">amoníac</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NH3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>NH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NH3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/824a27d82d3d59e63f6dd1f4140d5adc396347dc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:4.54ex; height:2.843ex;" alt="{\displaystyle {\ce {NH3}}}" /></span>) amb el sodi líquid.<sup id="cite_ref-:4_15-3" class="reference"><a href="#cite_note-:4-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p>Escalfant sodi i <a href="/wiki/F%C3%B2sfor" title="Fòsfor">fòsfor</a> es forma <a href="/w/index.php?title=Fosfur_de_sodi&action=edit&redlink=1" class="new" title="Fosfur de sodi (encara no existeix)">fosfur de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na3P}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>P</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na3P}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/afd3ae2752d6da06a39172bdb1dabba95f51f03a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:5.543ex; height:2.843ex;" alt="{\displaystyle {\ce {Na3P}}}" /></span>), però en presència d'aire amb ignició es forma <a href="/wiki/Fosfat_de_sodi" title="Fosfat de sodi">fosfat de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na3PO4}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>PO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na3PO4}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3281ad01f5950fd4de95f4719c8e87963d14aa7e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:8.405ex; height:2.843ex;" alt="{\displaystyle {\ce {Na3PO4}}}" /></span>). El <a href="/wiki/Triclorur_de_f%C3%B2sfor" title="Triclorur de fòsfor">triclorur de fòsfor</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {PCl3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>PCl</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {PCl3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e05a26c739281c35abbd13c248e5a8c5ffc608b5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:4.962ex; height:2.843ex;" alt="{\displaystyle {\ce {PCl3}}}" /></span>) i el <a href="/wiki/Pentaclorur_de_f%C3%B2sfor" title="Pentaclorur de fòsfor">pentaclorur</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {PCl5}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>PCl</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {PCl5}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/00da857a1260af2b05e8a2af91d4e0ab0693c401" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:4.962ex; height:2.843ex;" alt="{\displaystyle {\ce {PCl5}}}" /></span>) formen clorur de sodi i fosfur de sodi, respectivament, en presència de sodi. L'<a href="/wiki/Oxiclorur_de_f%C3%B2sfor" title="Oxiclorur de fòsfor">oxiclorur de fòsfor</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {POCl3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>POCl</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {POCl3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b8b2e06d1d696690090d5c7bf98bd81dca782e17" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:6.77ex; height:2.843ex;" alt="{\displaystyle {\ce {POCl3}}}" /></span>) quan s'escalfa amb sodi, explota.<sup id="cite_ref-:4_15-4" class="reference"><a href="#cite_note-:4-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Reaccions_amb_els_elements_del_grup_16">Reaccions amb els elements del grup 16</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=11" title="Modifica la secció: Reaccions amb els elements del grup 16"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>El <a href="/wiki/Sofre" title="Sofre">sofre</a>, el <a href="/wiki/Seleni" title="Seleni">seleni</a> i el <a href="/wiki/Tel%C2%B7luri" title="Tel·luri">tel·luri</a> formen el <a href="/wiki/Sulfur_de_sodi" title="Sulfur de sodi">sulfur de sodi</a>, el <a href="/w/index.php?title=Selenur_de_sodi&action=edit&redlink=1" class="new" title="Selenur de sodi (encara no existeix)">selenur de sodi</a> i el <a href="/wiki/Tel%C2%B7lurur_de_sodi" title="Tel·lurur de sodi">tel·lurur de sodi</a>. El sodi sòlid reacciona superficialment amb el <a href="/wiki/Di%C3%B2xid_de_sofre" title="Diòxid de sofre">diòxid de sofre</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {SO2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>SO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {SO2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/80a5abd2e7441929015034435a9e64a46858b82e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:4.155ex; height:2.843ex;" alt="{\displaystyle {\ce {SO2}}}" /></span>) líquid, però el sodi fos i el diòxid de sofre gasós reaccionen violentament. El <a href="/wiki/Sulfur_d%E2%80%99hidrogen" class="mw-redirect" title="Sulfur d’hidrogen">sulfur d'hidrogen</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {H2S}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>S</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {H2S}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/763b25f0e49d64abcf597e4a5e8656137b318bee" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:4.09ex; height:2.843ex;" alt="{\displaystyle {\ce {H2S}}}" /></span>) sec reacciona lentament amb el sodi sòlid donant sulfur de sodi, però en presència d'humitat la reacció és molt ràpida. Alguns sulfurs de <a href="/wiki/Metall_pesant" title="Metall pesant">metalls pesants</a> també són reduïts pel sodi. El <a href="/wiki/Sulfur_de_carboni" title="Sulfur de carboni">disulfur de carboni</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {CS2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>CS</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {CS2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/339222e65519423482ef1de5c397f397a68ba316" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:4.025ex; height:2.843ex;" alt="{\displaystyle {\ce {CS2}}}" /></span>) reacciona violentament, formant <a href="/wiki/Sulfur_de_sodi" title="Sulfur de sodi">sulfur de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2S}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>S</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2S}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b47014eaccfba20a111963352cefa0d4adbeb28a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:5.252ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2S}}}" /></span>).<sup id="cite_ref-:4_15-5" class="reference"><a href="#cite_note-:4-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Reaccions_amb_els_elements_del_grup_17">Reaccions amb els elements del grup 17</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=12" title="Modifica la secció: Reaccions amb els elements del grup 17"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><span><video id="mwe_player_0" poster="//upload.wikimedia.org/wikipedia/commons/thumb/0/07/Reaction_between_Sodium_and_Chlorine.webm/220px--Reaction_between_Sodium_and_Chlorine.webm.jpg" controls="" preload="none" data-mw-tmh="" class="mw-file-element" width="220" height="165" data-durationhint="35" data-mwtitle="Reaction_between_Sodium_and_Chlorine.webm" data-mwprovider="wikimediacommons" resource="/wiki/Fitxer:Reaction_between_Sodium_and_Chlorine.webm"><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/0/07/Reaction_between_Sodium_and_Chlorine.webm/Reaction_between_Sodium_and_Chlorine.webm.480p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="480p.vp9.webm" data-width="640" data-height="480" /><source src="//upload.wikimedia.org/wikipedia/commons/0/07/Reaction_between_Sodium_and_Chlorine.webm" type="video/webm; codecs="vp8, vorbis"" data-width="640" data-height="480" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/0/07/Reaction_between_Sodium_and_Chlorine.webm/Reaction_between_Sodium_and_Chlorine.webm.144p.mjpeg.mov" type="video/quicktime" data-transcodekey="144p.mjpeg.mov" data-width="192" data-height="144" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/0/07/Reaction_between_Sodium_and_Chlorine.webm/Reaction_between_Sodium_and_Chlorine.webm.240p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="240p.vp9.webm" data-width="320" data-height="240" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/0/07/Reaction_between_Sodium_and_Chlorine.webm/Reaction_between_Sodium_and_Chlorine.webm.360p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="360p.vp9.webm" data-width="480" data-height="360" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/0/07/Reaction_between_Sodium_and_Chlorine.webm/Reaction_between_Sodium_and_Chlorine.webm.360p.webm" type="video/webm; codecs="vp8, vorbis"" data-transcodekey="360p.webm" data-width="480" data-height="360" /></video></span><figcaption>Reacció entre el sodi i el clor.</figcaption></figure> <p>En fase de vapor, el sodi forma <a href="/wiki/Halur" title="Halur">halurs</a> amb tots els <a href="/wiki/Hal%C3%B2gens" class="mw-redirect" title="Halògens">halògens</a>. A temperatura ambient, el <a href="/wiki/Clor" title="Clor">clor</a> i el <a href="/wiki/Brom" title="Brom">brom</a> reaccionen ràpidament amb pel·lícules primes de sodi, mentre que el <a href="/wiki/Fluor" title="Fluor">fluor</a> i el sodi s'encenen. La reacció amb el clor és:<sup id="cite_ref-:5_13-3" class="reference"><a href="#cite_note-:5-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-display mwe-math-mathml-a11y" style="display: none;"><math display="block" xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {2Na + Cl2 -> 2 NaCl}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> <mspace width="thinmathspace"></mspace> <mtext>Na</mtext> <mo>+</mo> <msubsup> <mtext>Cl</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mo stretchy="false">⟶</mo> <mn>2</mn> <mspace width="thinmathspace"></mspace> <mtext>NaCl</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {2Na + Cl2 -> 2 NaCl}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8f750c265d29ffeb623aa4c47ce4e44270ac2d69" class="mwe-math-fallback-image-display mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:22.551ex; height:2.843ex;" alt="{\displaystyle {\ce {2Na + Cl2 -> 2 NaCl}}}" /></span> </p><p>El sodi redueix la majoria dels fluorurs excepte els <a href="/wiki/Fluorur" title="Fluorur">fluorurs</a> de liti, d'<a href="/wiki/Alcalinoterri" title="Alcalinoterri">alcalinoterris</a> i d'alguns <a href="/wiki/Lantanoide" title="Lantanoide">lantanoides</a>. Redueix la majoria de clorurs metàl·lics, tot i que alguns dels clorurs dels alcalins i dels alcalinoterris donen sistemes d'equilibri de dues fases que consisteixen en capes d'aliatge i sal fosa.<sup id="cite_ref-:4_15-6" class="reference"><a href="#cite_note-:4-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Reaccions_amb_àcids_i_bases"><span id="Reaccions_amb_.C3.A0cids_i_bases"></span>Reaccions amb àcids i bases</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=13" title="Modifica la secció: Reaccions amb àcids i bases"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>El sodi reacciona amb els <a href="/wiki/%C3%80cid" title="Àcid">àcids</a> diluïts amb la mateixa força que amb l'aigua. La reacció amb <a href="/wiki/%C3%80cid_sulf%C3%BAric" title="Àcid sulfúric">àcid sulfúric</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {H2SO4}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>SO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {H2SO4}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/6703e3d63d91c698caf61db7286069a49ce5c1af" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:6.952ex; height:2.843ex;" alt="{\displaystyle {\ce {H2SO4}}}" /></span>) concentrat pot ser una mica menys vigorosa.<sup id="cite_ref-:5_13-4" class="reference"><a href="#cite_note-:5-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-display mwe-math-mathml-a11y" style="display: none;"><math display="block" xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {2Na + H2SO4 -> 2Na+ + SO4^2- + H2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> <mspace width="thinmathspace"></mspace> <mtext>Na</mtext> <mo>+</mo> <msubsup> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>SO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mo stretchy="false">⟶</mo> <mn>2</mn> <mspace width="thinmathspace"></mspace> <msup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mo>+</mo> </mrow> </msup> <mo>+</mo> <msubsup> <mtext>SO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> <mo>−</mo> </mrow> </msubsup> <mo>+</mo> <msubsup> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {2Na + H2SO4 -> 2Na+ + SO4^2- + H2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1ea7bfe8a7dc0d0a2999e93a86ea7577638c4c49" class="mwe-math-fallback-image-display mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:39.221ex; height:3.343ex;" alt="{\displaystyle {\ce {2Na + H2SO4 -> 2Na+ + SO4^2- + H2}}}" /></span> </p><p>A 300-385 °C, l'<a href="/wiki/Hidr%C3%B2xid_de_sodi" title="Hidròxid de sodi">hidròxid de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaOH}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaOH</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaOH}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a4b18cf9f5cbc622e8196a33ded17befa65a97cc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.457ex; height:2.176ex;" alt="{\displaystyle {\ce {NaOH}}}" /></span>) i el sodi reaccionen d'acord amb el següent equilibri:<sup id="cite_ref-:5_13-5" class="reference"><a href="#cite_note-:5-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-display mwe-math-mathml-a11y" style="display: none;"><math display="block" xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na + NaOH <=>N2O + NaH}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>Na</mtext> <mo>+</mo> <mtext>NaOH</mtext> <mrow class="MJX-TeXAtom-REL"> <mover> <mrow class="MJX-TeXAtom-OP MJX-fixedlimits"> <mrow class="MJX-TeXAtom-ORD"> <mpadded height="0" depth="0"> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">↽</mo> </mrow> <mspace width="negativethinmathspace"></mspace> <mspace width="negativethinmathspace"></mspace> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> </mrow> </mpadded> </mrow> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> </mrow> <mspace width="negativethinmathspace"></mspace> <mspace width="negativethinmathspace"></mspace> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">⇀</mo> </mrow> </mrow> </mstyle> </mrow> </mover> </mrow> <msubsup> <mtext>N</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>O</mtext> <mo>+</mo> <mtext>NaH</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na + NaOH <=>N2O + NaH}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ae75c420fd896ddd356fa984ad4c35c606895f0a" class="mwe-math-fallback-image-display mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:28.945ex; height:3.343ex;" alt="{\displaystyle {\ce {Na + NaOH <=>N2O + NaH}}}" /></span> </p> <div class="mw-heading mw-heading4"><h4 id="Reaccions_amb_composts_orgànics"><span id="Reaccions_amb_composts_org.C3.A0nics"></span>Reaccions amb composts orgànics</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=14" title="Modifica la secció: Reaccions amb composts orgànics"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Alkoxide_general.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Alkoxide_general.png/220px-Alkoxide_general.png" decoding="async" width="220" height="56" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Alkoxide_general.png/330px-Alkoxide_general.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Alkoxide_general.png/440px-Alkoxide_general.png 2x" data-file-width="1090" data-file-height="276" /></a><figcaption>Fórmula general d'un alcòxid de sodi.</figcaption></figure> <p>El sodi reacciona amb molts <a href="/wiki/Compost_org%C3%A0nic" title="Compost orgànic">compostos orgànics</a>, especialment els que contenen oxigen, nitrogen, sofre, <a href="/wiki/Halogen" title="Halogen">halògens</a>, <a href="/wiki/Grup_carboxi" title="Grup carboxi">grups carboxi</a> o <a href="/wiki/Grup_hidroxi" title="Grup hidroxi">grups hidroxi</a>. Les reaccions són violentes en molts casos, per exemple, amb els <a href="/wiki/Hidrocarbur_halogenat" title="Hidrocarbur halogenat">hidrocarburs halogenats</a>. Es pot dipositar carboni o alliberar hidrogen, i els compostos que contenen sofre o halògens solen formar <a href="/wiki/Sulfur_de_sodi" title="Sulfur de sodi">sulfur de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2S}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>S</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2S}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b47014eaccfba20a111963352cefa0d4adbeb28a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:5.252ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2S}}}" /></span>) o <a href="/wiki/Halur" title="Halur">halurs</a> de sodi (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaX}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaX</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaX}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/007fef3dfe56802e0ed64db19b78c59be95b168a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:4.649ex; height:2.176ex;" alt="{\displaystyle {\ce {NaX}}}" /></span>). Els <a href="/wiki/Alcohol" title="Alcohol">alcohols</a> donen <a href="/wiki/Alc%C3%B2xid" title="Alcòxid">alcòxids</a>, per exemple amb l'<a href="/wiki/Etanol" title="Etanol">etanol</a>:<sup id="cite_ref-:4_15-7" class="reference"><a href="#cite_note-:4-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-display mwe-math-mathml-a11y" style="display: none;"><math display="block" xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {CH3CH2OH + Na -> CH3CH2Na + 1/2 H2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>CH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>CH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>OH</mtext> <mo>+</mo> <mtext>Na</mtext> <mo stretchy="false">⟶</mo> <msubsup> <mtext>CH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>CH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>Na</mtext> <mo>+</mo> <mstyle displaystyle="false" scriptlevel="0"> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mstyle> <msubsup> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {CH3CH2OH + Na -> CH3CH2Na + 1/2 H2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2cd7c01a5d591355d31b6e095e107a67559f405c" class="mwe-math-fallback-image-display mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.171ex; width:42.496ex; height:3.509ex;" alt="{\displaystyle {\ce {CH3CH2OH + Na -> CH3CH2Na + 1/2 H2}}}" /></span> </p><p>Els compostos organosòdics es preparen a partir de sodi i altres <a href="/wiki/Compost_organomet%C3%A0l%C2%B7lic" title="Compost organometàl·lic">compostos organometàl·lics</a> o composts de <a href="/wiki/Metil%C3%A8" title="Metilè">metilè</a> actius per reacció amb hidrocarburs halogenats, escissió d'<a href="/wiki/%C3%88ter" title="Èter">èters</a> o addició a composts insaturats.<sup id="cite_ref-:4_15-8" class="reference"><a href="#cite_note-:4-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> Per exemple a partir del <a href="/wiki/Dimetilmercuri" title="Dimetilmercuri">dimetilmercuri</a> s'obté el <a href="/w/index.php?title=Metilsodi&action=edit&redlink=1" class="new" title="Metilsodi (encara no existeix)">metilsodi</a>:<sup id="cite_ref-:6_14-3" class="reference"><a href="#cite_note-:6-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p> <span class="mwe-math-element"><span class="mwe-math-mathml-display mwe-math-mathml-a11y" style="display: none;"><math display="block" xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Hg(CH3)2 + 2Na -> 2 NaCH3 + Hg}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>Hg</mtext> <msubsup> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">(</mo> <msubsup> <mtext>CH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mo stretchy="false">)</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mo>+</mo> <mn>2</mn> <mspace width="thinmathspace"></mspace> <mtext>Na</mtext> <mo stretchy="false">⟶</mo> <mn>2</mn> <mspace width="thinmathspace"></mspace> <msubsup> <mtext>NaCH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mo>+</mo> <mtext>Hg</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Hg(CH3)2 + 2Na -> 2 NaCH3 + Hg}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5218a62b8163a77310ba1c03264bdba46b86c0bc" class="mwe-math-fallback-image-display mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:37.312ex; height:3.009ex;" alt="{\displaystyle {\ce {Hg(CH3)2 + 2Na -> 2 NaCH3 + Hg}}}" /></span></p><figure typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Alkyne_reduction.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/Alkyne_reduction.svg/500px-Alkyne_reduction.svg.png" decoding="async" width="400" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/Alkyne_reduction.svg/960px-Alkyne_reduction.svg.png 1.5x" data-file-width="1251" data-file-height="156" /></a><figcaption>Reducció d'un triple enllaç a doble enllaç mitjançant sodi en amoníac.</figcaption></figure> <p>Alguns compostos vinílics aromàtics i al·lílics també donen derivats de sodi. El sodi no reacciona amb <a href="/wiki/Dietil%C3%A8ter" class="mw-redirect" title="Dietilèter">èter etílic</a> anhidre, però pot reaccionar amb èters superiors o èters mixtes. Els <a href="/wiki/%C3%80cid_org%C3%A0nic" title="Àcid orgànic">àcids orgànics</a> donen les sals corresponents amb producció d'hidrogen o es descomponen. <a href="/wiki/Hidrocarbur" title="Hidrocarbur">Hidrocarburs</a> purs, secs i saturats, com el <a href="/wiki/Xil%C3%A8" title="Xilè">xilè</a>, el <a href="/wiki/Tolu%C3%A8" title="Toluè">toluè</a> i l'oli mineral, no reaccionen amb el sodi a la temperatura de <a href="/wiki/Craqueig" title="Craqueig">craqueig</a> d'hidrocarburs. En presència d'<a href="/wiki/Hidrocarbur_insaturat" title="Hidrocarbur insaturat">hidrocarburs insaturats</a>, el sodi pot afegir hidrogen als <a href="/wiki/Doble_enlla%C3%A7" title="Doble enllaç">dobles</a> o <a href="/wiki/Triple_enlla%C3%A7" title="Triple enllaç">triples enllaços</a> o provocar <a href="/wiki/Polimeritzaci%C3%B3" title="Polimerització">polimerització</a>. Per a les reduccions orgàniques s'utilitzen <a href="/wiki/Amalgama_(qu%C3%ADmica)" title="Amalgama (química)">amalgama</a> de sodi (NaK, sodi-plom,...) o sodi i alcohol. El sodi també s'utilitza com a agent de condensació en la síntesi d'<a href="/wiki/%C3%88ster" title="Èster">èsters</a> acetoacètics i d'èsters malònics i la <a href="/wiki/Reacci%C3%B3_de_Wurtz" title="Reacció de Wurtz">reacció de Wurtz</a>:<sup id="cite_ref-:4_15-9" class="reference"><a href="#cite_note-:4-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-display mwe-math-mathml-a11y" style="display: none;"><math display="block" xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {2 CH3CH2Cl + 2 Na -> CH3CH2CH2CH3 + 2 NaCl}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> <mspace width="thinmathspace"></mspace> <msubsup> <mtext>CH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>CH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>Cl</mtext> <mo>+</mo> <mn>2</mn> <mspace width="thinmathspace"></mspace> <mtext>Na</mtext> <mo stretchy="false">⟶</mo> <msubsup> <mtext>CH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>CH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>CH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>CH</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mo>+</mo> <mn>2</mn> <mspace width="thinmathspace"></mspace> <mtext>NaCl</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {2 CH3CH2Cl + 2 Na -> CH3CH2CH2CH3 + 2 NaCl}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f96eb40708f6fe1ba6a3001ca7996e2c6d909745" class="mwe-math-fallback-image-display mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:52.739ex; height:2.843ex;" alt="{\displaystyle {\ce {2 CH3CH2Cl + 2 Na -> CH3CH2CH2CH3 + 2 NaCl}}}" /></span> </p> <div class="mw-heading mw-heading4"><h4 id="Composts_més_importants"><span id="Composts_m.C3.A9s_importants"></span>Composts més importants</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=15" title="Modifica la secció: Composts més importants"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Els composts de sodi de major importància industrial són: <a href="/wiki/Clorur_de_sodi" title="Clorur de sodi">clorur de sodi</a> o sal comuna (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaCl}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaCl</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaCl}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9b184eac86c36238cc34de8f9844a84933192513" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.23ex; height:2.176ex;" alt="{\displaystyle {\ce {NaCl}}}" /></span>), <a href="/wiki/Carbonat_de_sodi" title="Carbonat de sodi">carbonat de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2CO3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>CO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2CO3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/eac50a0b59a90c61d034a20b905c3dee4b358eb8" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:8.5ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2CO3}}}" /></span>), <a href="/wiki/Hidrogencarbonat_de_sodi" title="Hidrogencarbonat de sodi">hidrogencarbonat de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaHCO3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>NaHCO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaHCO3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3ed2931220d7542ea13628d8be8ce1e7a8fc4dd9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:9.189ex; height:2.843ex;" alt="{\displaystyle {\ce {NaHCO3}}}" /></span>), <a href="/wiki/Hidr%C3%B2xid_de_sodi" title="Hidròxid de sodi">hidròxid de sodi</a> o sosa càustica (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {NaOH}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>NaOH</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {NaOH}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a4b18cf9f5cbc622e8196a33ded17befa65a97cc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.457ex; height:2.176ex;" alt="{\displaystyle {\ce {NaOH}}}" /></span>), <a href="/wiki/Nitrat_de_sodi" title="Nitrat de sodi">nitrat de sodi</a> o salpetre de Xile (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2NO3}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>NO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2NO3}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4afbd8485581c5985ee5009c443c507dba833e2a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:8.565ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2NO3}}}" /></span>), <a href="/wiki/Tiosulfat_de_sodi" title="Tiosulfat de sodi">tiosulfat de sodi</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2S2O3.5H2O}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>S</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>O</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mo>⋅</mo> <mn>5</mn> <mspace width="thinmathspace"></mspace> <msubsup> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>O</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2S2O3.5H2O}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1ace3bbad94d4e43a134c653e4abfb04da43cddd" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:17.003ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2S2O3.5H2O}}}" /></span>) i el <a href="/wiki/B%C3%B2rax" title="Bòrax">bòrax</a> (<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na2B4O7.10H2O}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>B</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext>O</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>7</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mo>⋅</mo> <mn>10</mn> <mspace width="thinmathspace"></mspace> <msubsup> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext>O</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na2B4O7.10H2O}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/efcb4959a5fee17fc095a9d7e7b9ec882ecb0e7e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:18.519ex; height:2.843ex;" alt="{\displaystyle {\ce {Na2B4O7.10H2O}}}" /></span>).<sup id="cite_ref-:0_7-4" class="reference"><a href="#cite_note-:0-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:6_14-4" class="reference"><a href="#cite_note-:6-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Isòtops"><span id="Is.C3.B2tops"></span>Isòtops</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=16" title="Modifica la secció: Isòtops"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r30997230">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}</style><div role="note" class="hatnote navigation-not-searchable">Article principal: <a href="/wiki/Is%C3%B2tops_de_sodi" class="mw-redirect" title="Isòtops de sodi">Isòtops de sodi</a></div> <p>Es coneixen vint <a href="/wiki/Is%C3%B2top" title="Isòtop">isòtops</a> del sodi, que van des del sodi 18 al sodi 37. El sodi natural és l'isòtop estable de <a href="/wiki/Nombre_m%C3%A0ssic" title="Nombre màssic">nombre màssic</a> 23. Dels isòtops artificials radioactius, el sodi 22 (<a href="/wiki/Vida_mitjana" title="Vida mitjana">vida mitjana</a> de 2,602 anys, la vida mitjana més llarga d'un isòtop de sodi)<sup id="cite_ref-:7_16-0" class="reference"><a href="#cite_note-:7-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> s'utilitza com a traçador radioactiu per al sodi natural.<sup id="cite_ref-:6_14-5" class="reference"><a href="#cite_note-:6-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> Es desintegra emeten una <a href="/wiki/Part%C3%ADcula_%CE%B2" title="Partícula β">partícula β+</a> (un <a href="/wiki/Positr%C3%B3" title="Positró">positró</a>) en <a href="/wiki/Ne%C3%B3" title="Neó">neó</a> 22. El sodi 24 (vida mitjana de ~ 15 hores)<sup id="cite_ref-:7_16-1" class="reference"><a href="#cite_note-:7-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> es produeix per irradiació en un <a href="/wiki/Reactor_nuclear" title="Reactor nuclear">reactor nuclear</a> i té un ús limitat per la seva curta vida. Es desintegra per emissió d'una <a href="/wiki/Part%C3%ADcula_%CE%B2" title="Partícula β">partícula β<sup>–</sup></a> (un <a href="/wiki/Electr%C3%B3" title="Electró">electró</a>)<sup id="cite_ref-:7_16-2" class="reference"><a href="#cite_note-:7-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> en <a href="/wiki/Magnesi" title="Magnesi">magnesi</a> 24. A causa d'aquella reacció, un reactor refrigerat amb sodi ha de tenir un segon bucle de transferència de calor perquè el sodi radioactiu no entri en contacte amb el medi ambient. Altres isòtops tenen vides mitjanes d'un minut o menys.<sup id="cite_ref-:6_14-6" class="reference"><a href="#cite_note-:6-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Aplicacions">Aplicacions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=17" title="Modifica la secció: Aplicacions"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Twilight_of_the_sodium_lamp_-_geograph.org.uk_-_3303251.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Twilight_of_the_sodium_lamp_-_geograph.org.uk_-_3303251.jpg/220px-Twilight_of_the_sodium_lamp_-_geograph.org.uk_-_3303251.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Twilight_of_the_sodium_lamp_-_geograph.org.uk_-_3303251.jpg/330px-Twilight_of_the_sodium_lamp_-_geograph.org.uk_-_3303251.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/60/Twilight_of_the_sodium_lamp_-_geograph.org.uk_-_3303251.jpg/440px-Twilight_of_the_sodium_lamp_-_geograph.org.uk_-_3303251.jpg 2x" data-file-width="640" data-file-height="480" /></a><figcaption><a href="/wiki/Enllumenat_p%C3%BAblic" title="Enllumenat públic">Enllumenat públic</a> amb <a href="/wiki/L%C3%A0mpada_de_vapor_de_sodi" title="Làmpada de vapor de sodi">làmpades de vapor de sodi</a>.</figcaption></figure><p>Com a element les aplicacions del sodi són limitades. Destaca l'ús en les <a href="/wiki/L%C3%A0mpada_de_vapor_de_sodi" title="Làmpada de vapor de sodi">làmpades de vapor de sodi</a> s'utilitzen en l'<a href="/wiki/Enllumenat_p%C3%BAblic" title="Enllumenat públic">enllumenat públic</a> de ciutats i vies de comunicació, amb la típica llum groc-taronja pel seu bon rendiment elèctric i lluminós. Tanmateix, actualment se substitueixen per <a href="/wiki/Llum_LED" title="Llum LED">llums LED</a>. El sodi líquid s'usa en determinats tipus de <a href="/wiki/Central_nuclear" title="Central nuclear">centrals nuclears</a>, per a la transferència de calor del nucli del reactor a les turbines.<sup id="cite_ref-:2_17-0" class="reference"><a href="#cite_note-:2-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p><p>Les amalgames de sodi s'utilitzen principalment per dur a terme reaccions en situacions en què el sodi elemental pur seria violentament reactiu i difícil de controlar. L'aliatge <a href="/wiki/NaK" title="NaK">NaK</a> es fa servir com a fluid de transferència de calor i com a reactiu orgànic.<sup id="cite_ref-:6_14-7" class="reference"><a href="#cite_note-:6-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> Els aliatges de sodi i <a href="/wiki/Plom" title="Plom">plom</a> que contenen altres metalls, per exemple, els metalls alcalinoterris, són durs, fins i tot a altes temperatures i, per tant, són adequats com a metalls de suport.<sup id="cite_ref-:4_15-10" class="reference"><a href="#cite_note-:4-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> S'usa, també, com a purificador de metalls perquè n'elimina la calç.<sup id="cite_ref-:2_17-1" class="reference"><a href="#cite_note-:2-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p><p> Les aplicacions dels seus composts és més àmplia com es detalla a continuació.</p><figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Table_salt_with_salt_shaker_V1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Table_salt_with_salt_shaker_V1.jpg/220px-Table_salt_with_salt_shaker_V1.jpg" decoding="async" width="220" height="182" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Table_salt_with_salt_shaker_V1.jpg/330px-Table_salt_with_salt_shaker_V1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Table_salt_with_salt_shaker_V1.jpg/440px-Table_salt_with_salt_shaker_V1.jpg 2x" data-file-width="3986" data-file-height="3303" /></a><figcaption>La <a href="/wiki/Sal_comuna" title="Sal comuna">sal comuna</a> és la principal font de sodi pel nostre organisme.</figcaption></figure> <div class="mw-heading mw-heading3"><h3 id="Indústria_alimentària"><span id="Ind.C3.BAstria_aliment.C3.A0ria"></span>Indústria alimentària</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=18" title="Modifica la secció: Indústria alimentària"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:NaCl-Infusion.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d5/NaCl-Infusion.jpg/220px-NaCl-Infusion.jpg" decoding="async" width="220" height="293" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d5/NaCl-Infusion.jpg/330px-NaCl-Infusion.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d5/NaCl-Infusion.jpg/440px-NaCl-Infusion.jpg 2x" data-file-width="1200" data-file-height="1600" /></a><figcaption><a href="/wiki/S%C3%A8rum_fisiol%C3%B2gic" title="Sèrum fisiològic">Sèrum fisiològic</a>.</figcaption></figure> <p>El <a href="/wiki/Clorur_de_sodi" title="Clorur de sodi">clorur de sodi</a> és el compost de sodi més emprat, la sal comuna. La sal té un paper fonamental en l'alimentació humana i animal com a condiment per a donar sabor.<sup id="cite_ref-:2_17-2" class="reference"><a href="#cite_note-:2-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> És tan important el sodi que per hidratar un malalt se l'injecta una dissolució de clorur de sodi de 7,5 g en 1 000 ml d'aigua destil·lada (<a href="/wiki/S%C3%A8rum_fisiol%C3%B2gic" title="Sèrum fisiològic">sèrum fisiològic</a>).<sup id="cite_ref-:9_18-0" class="reference"><a href="#cite_note-:9-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p><p>Per altra banda, el clorur de sodi s'utilitza en la conservació d'aliments: carns, peixos, verdures, formatges, etc. I una altra sal de sodi, el <a href="/wiki/Sulfat_de_sodi" title="Sulfat de sodi">sulfat de sodi</a> (<a href="/wiki/Codi_E" title="Codi E">codi alimentari</a> E514i), també es fa servir en l'elaboració de productes per a l'alimentació humana i animal, com estabilitzant i regulador de l'acidesa.<sup id="cite_ref-:3_19-0" class="reference"><a href="#cite_note-:3-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p><p>El <a href="/wiki/Carbonat_de_sodi" title="Carbonat de sodi">carbonat de sodi</a> (E500i) i l'<a href="/wiki/Hidrogencarbonat_de_sodi" title="Hidrogencarbonat de sodi">hidrogencarbonat de sodi</a> (E500ii) s'empren com a gasificants (<a href="/wiki/Llevat_qu%C3%ADmic" class="mw-redirect" title="Llevat químic">llevat químic</a>), <a href="/wiki/Antiaglomerant" title="Antiaglomerant">antiaglomerants</a> i reguladors de l'acidesa.<sup id="cite_ref-:3_19-1" class="reference"><a href="#cite_note-:3-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p><p>El <a href="/wiki/Nitrat_de_sodi" title="Nitrat de sodi">nitrat de sodi</a> (E-251) s'utilitza a la indústria alimentària com a <a href="/wiki/Conservant" title="Conservant">conservant</a> que hom troba en carns processades, com ara <a href="/wiki/Botifarra" title="Botifarra">botifarra</a>, <a href="/wiki/Salami" title="Salami">salami</a>, <a href="/wiki/Pernil" title="Pernil">pernil</a> i altres carns. Evita el creixement dels <a href="/wiki/Bacteris" title="Bacteris">bacteris</a> que fan malbé la carn i conserva la carn com a color vermell o rosa.<sup id="cite_ref-:3_19-2" class="reference"><a href="#cite_note-:3-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Indústria_química"><span id="Ind.C3.BAstria_qu.C3.ADmica"></span>Indústria química</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=19" title="Modifica la secció: Indústria química"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Ion_exchange_resin_beads.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/Ion_exchange_resin_beads.jpg/250px-Ion_exchange_resin_beads.jpg" decoding="async" width="220" height="127" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/Ion_exchange_resin_beads.jpg/330px-Ion_exchange_resin_beads.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/08/Ion_exchange_resin_beads.jpg/500px-Ion_exchange_resin_beads.jpg 2x" data-file-width="561" data-file-height="323" /></a><figcaption>Bolles d'una <a href="/wiki/Resina_de_bescanvi_i%C3%B2nic" title="Resina de bescanvi iònic">resina de bescanvi iònic</a>. Les resines es regeneren en contacte amb concentracions altes de <a href="/wiki/Clorur_de_sodi" title="Clorur de sodi">clorur de sodi</a>.</figcaption></figure> <p>El clorur de sodi s'utilitza en <a href="/wiki/Adoberia" title="Adoberia">adoberia</a> en el tractament de les pells d'animals. S'empra en la fabricació de <a href="/wiki/Detergent" title="Detergent">detergents</a> i <a href="/wiki/Sab%C3%B3" title="Sabó">sabons</a>. S'utilitza com a <a href="/wiki/Descalcificador" title="Descalcificador">descalcificador</a> a les <a href="/wiki/Resina_de_bescanvi_i%C3%B2nic" title="Resina de bescanvi iònic">resines de bescanvi iònic</a> que empren els <a href="/wiki/Rentaplats" title="Rentaplats">rentaplats</a> o els purificadors d'aigua, substituint els cations calci(2+) i magnesi(2+) a les <a href="/wiki/Duresa_de_l%27aigua" title="Duresa de l'aigua">aigües dures</a>, evitant així les <a href="/wiki/Incrustaci%C3%B3_calc%C3%A0rea" class="mw-redirect" title="Incrustació calcàrea">incrustacions</a> d'òxids de calci i magnesi. Gràcies al fenomen del <a href="/wiki/Descens_criosc%C3%B2pic" title="Descens crioscòpic">descens crioscòpic</a> l'aigua amb sal dissolta té un <a href="/wiki/Punt_de_fusi%C3%B3" title="Punt de fusió">punt de congelació</a> més baix que el 0 °C i es fa servir per a retardar la formació de gel en les carreteres nevades. La mateixa propietat s'aplica per a transportar el fred en instal·lacions frigorífiques.<sup id="cite_ref-:2_17-3" class="reference"><a href="#cite_note-:2-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p><p>El <a href="/wiki/Sulfat_de_sodi" title="Sulfat de sodi">sulfat de sodi</a>, com que és <a href="/wiki/Higroscopicitat" title="Higroscopicitat">higroscòpic</a>, s'utilitza com a absorbent d'<a href="/wiki/Humitat" title="Humitat">humitat</a> en laboratoris i en la <a href="/wiki/Ind%C3%BAstria_qu%C3%ADmica" title="Indústria química">indústria química</a>. També s'utilitza en la fabricació de teixits per a reduir les càrregues elèctriques negatives en les fibres i, així, millorar la penetració dels tints. S'afegeix al vidre com a agent clarificant; ajuda a eliminar petites bombolles d'aire que puguin quedar en el procés de fabricació. El seu ús principal és com a càrrega en la fabricació de sabons i detergents en pols, dels quals millora el comportament mecànic.<sup id="cite_ref-:2_17-4" class="reference"><a href="#cite_note-:2-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p><p>L'<a href="/wiki/Hidr%C3%B2xid_de_sodi" title="Hidròxid de sodi">hidròxid de sodi</a>, conegut com a sosa càustica, és un agent químic ideal per a desembussar <a href="/wiki/Eixidiu" title="Eixidiu">desguassos</a>. Es fa servir principalment, per les seves propietats de <a href="/wiki/Base_qu%C3%ADmica" title="Base química">base</a>, en la <a href="/wiki/Reacci%C3%B3_de_neutralitzaci%C3%B3" title="Reacció de neutralització">neutralització</a> de solucions àcides, en reaccions de <a href="/wiki/Saponificaci%C3%B3" title="Saponificació">saponificació</a>, en la <a href="/wiki/Metal%C2%B7l%C3%BArgia" title="Metal·lúrgia">metal·lúrgia</a> de l'<a href="/wiki/Alumini" title="Alumini">alumini</a> i com a regenerador de les columnes de bescanvi iònic.També és un dels reactius més emprats en química per aconseguir dissolucions de <a href="/wiki/PH" title="PH">pH</a> bàsic en <a href="/wiki/Qu%C3%ADmica_anal%C3%ADtica" title="Química analítica">química analítica</a>, en <a href="/wiki/S%C3%ADntesi_org%C3%A0nica" title="Síntesi orgànica">síntesi orgànica</a>, etc.<sup id="cite_ref-:8_20-0" class="reference"><a href="#cite_note-:8-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>El <a href="/wiki/Nitrat_de_sodi" title="Nitrat de sodi">nitrat de sodi</a> s'empra com a <a href="/wiki/Adob" title="Adob">fertilitzant</a>, com <a href="/wiki/Explosiu" title="Explosiu">explosiu</a> i, especialment, en un procés de fabricació de vidres reforçats.<sup id="cite_ref-:8_20-1" class="reference"><a href="#cite_note-:8-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Altres_camps">Altres camps</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=20" title="Modifica la secció: Altres camps"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>El clorur de sodi s'utilitza en la fabricació de bateries de sodi i <a href="/wiki/N%C3%ADquel" title="Níquel">níquel</a> (<a href="/w/index.php?title=Bateria_zebra&action=edit&redlink=1" class="new" title="Bateria zebra (encara no existeix)">bateries zebra</a>) que treballen a altes temperatures.<sup id="cite_ref-:2_17-5" class="reference"><a href="#cite_note-:2-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Funcions_biològiques"><span id="Funcions_biol.C3.B2giques"></span>Funcions biològiques</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=21" title="Modifica la secció: Funcions biològiques"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Aralship2.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7b/Aralship2.jpg/250px-Aralship2.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7b/Aralship2.jpg/330px-Aralship2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7b/Aralship2.jpg/500px-Aralship2.jpg 2x" data-file-width="1600" data-file-height="1200" /></a><figcaption>Salinització del sol on hi havia la <a href="/wiki/Mar_d%27Aral" title="Mar d'Aral">mar d'Aral</a>.</figcaption></figure> <p>El sodi és essencial per als animals, però menys important per a les plantes, i de fet aquestes per regla general contenen relativament poc sodi. La presència de <a href="/wiki/Salinitat_del_s%C3%B2l" title="Salinitat del sòl">salinitat als sòls</a> sovint és perjudicial per al creixement de les plantes. Els ions de sodi substitueixen el calci i altres ions en els complexos d'<a href="/wiki/Argila" title="Argila">argila</a>, transformant l'argila en una massa enganxosa. Aleshores, la <a href="/wiki/Percolaci%C3%B3" title="Percolació">percolació</a> de l'aigua es redueix dràsticament i la basicitat del sòl augmenta notablement.<sup id="cite_ref-:6_14-8" class="reference"><a href="#cite_note-:6-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> La tolerància dels peixos als canvis de <a href="/wiki/Salinitat" title="Salinitat">salinitat</a> és sovint força notable. Molts <a href="/wiki/Bacteris" title="Bacteris">bacteris</a> i <a href="/wiki/Diatomees" title="Diatomees">diatomees</a> marins són capaços de tolerar concentracions de sal fins al 25 %. El requisit mínim de sodi per als mamífers sembla ser del 0,05 % de la dieta, el que correspon en un adult normal a un requisit d'1 a 2 g de sal al dia, el que resulta en un contingut mitjà de sodi dels teixits corporals de 0,24 %.<sup id="cite_ref-:6_14-9" class="reference"><a href="#cite_note-:6-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> Els humans de mitjana tenen uns 100 g de sodi dins de l'organisme. Un 1 % dels ossos és sodi, el <a href="/wiki/Plasma_sanguini" title="Plasma sanguini">plasma</a> conté un 0,35 % (3 500 ppm) de cations sodi(1+) <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Na+}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msup> <mtext>Na</mtext> <mrow class="MJX-TeXAtom-ORD"> <mo>+</mo> </mrow> </msup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Na+}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3cd60e5dc2440b4978aea083de518303122c45c1" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:4.416ex; height:2.509ex;" alt="{\displaystyle {\ce {Na+}}}" /></span>, els <a href="/wiki/Gl%C3%B2bul_vermell" title="Glòbul vermell">glòbuls vermells</a> 250 ppm i en els teixits entre 2 000 i 8 000 ppm. El sodi de l'organisme es troba principalment en el líquid extracel·lular. La <a href="/wiki/Sang" title="Sang">sang</a> necessita molt de sodi per regular la <a href="/wiki/Pressi%C3%B3_osm%C3%B2tica" title="Pressió osmòtica">pressió osmòtica</a> i la <a href="/wiki/Pressi%C3%B3_sangu%C3%ADnia" title="Pressió sanguínia">pressió arterial</a>, així com per ajudar a solubilitzar <a href="/wiki/Prote%C3%AFnes" class="mw-redirect" title="Proteïnes">proteïnes</a> i <a href="/wiki/%C3%80cid_org%C3%A0nic" title="Àcid orgànic">àcids orgànics</a>. Des dels albors de la vida, les cèl·lules hagueren de lluitar per mantenir el sodi fora davant la <a href="/wiki/Pressi%C3%B3_osm%C3%B2tica" title="Pressió osmòtica">pressió osmòtica</a> d'un medi marí en què era abundant.<sup id="cite_ref-:0_7-5" class="reference"><a href="#cite_note-:0-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Per la <a href="/wiki/Suor" title="Suor">transpiració</a> es perden quantitats considerables de sodi a través de la pell i es poden excretar quantitats considerables per l'<a href="/wiki/Orina" title="Orina">orina</a>.<sup id="cite_ref-:6_14-10" class="reference"><a href="#cite_note-:6-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Scheme_sodium-potassium_pump-ca.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Scheme_sodium-potassium_pump-ca.svg/220px-Scheme_sodium-potassium_pump-ca.svg.png" decoding="async" width="220" height="99" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Scheme_sodium-potassium_pump-ca.svg/330px-Scheme_sodium-potassium_pump-ca.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Scheme_sodium-potassium_pump-ca.svg/440px-Scheme_sodium-potassium_pump-ca.svg.png 2x" data-file-width="635" data-file-height="285" /></a><figcaption></figcaption></figure> <p>La funció més important del sodi és el moviment dels <a href="/wiki/Impuls_el%C3%A8ctric" class="mw-redirect" title="Impuls elèctric">impulsos elèctrics</a> al llarg de les <a href="/wiki/Nervi" title="Nervi">fibres nervioses</a>, i això ho fa juntament amb el <a href="/wiki/Potassi" title="Potassi">potass</a>i, tant amb sodi com amb potassi els ions poden moure's a través de la <a href="/wiki/Membrana_plasm%C3%A0tica" title="Membrana plasmàtica">membrana cel·lular</a>. Els cations de sodi entren i després són expulsats ràpidament de nou per la <a href="/wiki/Bomba_de_sodi_i_potassi" title="Bomba de sodi i potassi">bomba de sodi i potassi</a>, mentre que els cations de potassi surten i després són transportats de nou. Fins al 40 % de l'energia d'un cos es destina a fer funcionar la bomba de sodi.<sup id="cite_ref-:0_7-6" class="reference"><a href="#cite_note-:0-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> L'excés de sodi en la sang es coneix com a «<a href="/wiki/Hipernatr%C3%A8mia" title="Hipernatrèmia">hipernatrèmia</a>» i la seva deficiència com a «<a href="/wiki/Hiponatr%C3%A8mia" title="Hiponatrèmia">hiponatrèmia</a>».<sup id="cite_ref-:9_18-1" class="reference"><a href="#cite_note-:9-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Precaucions">Precaucions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=22" title="Modifica la secció: Precaucions"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>En forma metàl·lica, el sodi és <a href="/wiki/Explosiu" title="Explosiu">explosiu</a> en aigua, per la qual cosa ha de manipular-se sempre acuradament i emmagatzemar-se en <a href="/wiki/Atmosfera_inerta" class="mw-redirect" title="Atmosfera inerta">atmosfera inerta</a>, evitant el contacte amb l'aigua i altres substàncies amb què el sodi reacciona.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Referències"><span id="Refer.C3.A8ncies"></span>Referències</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=23" title="Modifica la secció: Referències"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-npa521_1-1"><span class="mw-cite-backlink"><a href="#cite_ref-npa521_1_1-0">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal" id="CITEREFEndt1990"><span style="font-variant: small-caps;">Endt</span>, P. M. «Energy levels of A = 21–44 nuclei (VII)». <i>Nuclear Physics A</i>, 521, 12-1990, pàg. 1–400. <a href="/wiki/Bibcode" title="Bibcode">Bibcode</a>: <a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1990NuPhA.521....1E">1990NuPhA.521....1E</a>. <a href="/wiki/DOI" title="DOI">DOI</a>: <a rel="nofollow" class="external text" href="https://dx.doi.org/10.1016%2F0375-9474%2890%2990598-G">10.1016/0375-9474(90)90598-G</a>.</span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="https://www.diccionari.cat/EC-GDLC-e{{{id}}}.xml">sodi</a>». <i><a href="/wiki/Gran_Diccionari_de_la_Llengua_Catalana" title="Gran Diccionari de la Llengua Catalana">Gran Diccionari de la Llengua Catalana</a></i>.  Barcelona:  <a href="/wiki/Grup_Enciclop%C3%A8dia_Catalana" class="mw-redirect" title="Grup Enciclopèdia Catalana">Grup Enciclopèdia Catalana</a>. [Consulta: 29 gener 2023].</span></span> </li> <li id="cite_note-GDLC-3"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-GDLC_3-0">3,0</a></sup> <sup><a href="#cite_ref-GDLC_3-1">3,1</a></sup></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="https://www.diccionari.cat/EC-GDLC-e{{{id}}}.xml">soda</a>». <i><a href="/wiki/Gran_Diccionari_de_la_Llengua_Catalana" title="Gran Diccionari de la Llengua Catalana">Gran Diccionari de la Llengua Catalana</a></i>.  Barcelona:  <a href="/wiki/Grup_Enciclop%C3%A8dia_Catalana" class="mw-redirect" title="Grup Enciclopèdia Catalana">Grup Enciclopèdia Catalana</a>. [Consulta: 29 gener 2023].</span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal" id="CITEREFRuiz2022"><span style="font-variant: small-caps;">Ruiz</span>, R. «<a rel="nofollow" class="external text" href="https://elasombrario.publico.es/recuperan-salinas-antiguas-mundo/">Así se recuperan las salinas más antiguas del mundo</a>». <i>elasombrario.com</i>, 09-10-2022. [Consulta: 30 gener 2023].</span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="https://www.eldiario.es/euskadi/blogs/basque-country-open/fabricas-sal-antiguas-mundo_132_1083072.html">Salinas de Añana, una de las fábricas de sal más antiguas del mundo</a>» (en castellà). <i>elDiario.es</i>, 13-01-2020. [Consulta: 30 gener 2023].</span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal" id="CITEREFAlonso_VillalobosGracia_PrietoMenanteau2003"><span style="font-variant: small-caps;">Alonso Villalobos</span>, Carlos; <span style="font-variant: small-caps;">Gracia Prieto</span>, F. Javier; <span style="font-variant: small-caps;">Menanteau</span>, Loïc «<a rel="nofollow" class="external text" href="https://institucional.us.es/revistas/spal/12/art_13.pdf">Las salinas de la Bahía de Cádiz durante la Antigüedad: visión geoarqueológica de un problema histórico</a>». <i>Spal Revista de Prehistoria y Arqueología de la Universidad de Sevilla</i>, 12, 2003, pàg. 317-332. <a href="/wiki/DOI" title="DOI">DOI</a>: <a rel="nofollow" class="external text" href="https://dx.doi.org/10.12795%2Fspal.2003.i12.13">10.12795/spal.2003.i12.13</a>.</span></span> </li> <li id="cite_note-:0-7"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:0_7-0">7,0</a></sup> <sup><a href="#cite_ref-:0_7-1">7,1</a></sup> <sup><a href="#cite_ref-:0_7-2">7,2</a></sup> <sup><a href="#cite_ref-:0_7-3">7,3</a></sup> <sup><a href="#cite_ref-:0_7-4">7,4</a></sup> <sup><a href="#cite_ref-:0_7-5">7,5</a></sup> <sup><a href="#cite_ref-:0_7-6">7,6</a></sup></span> <span class="reference-text"><span class="citation book" style="font-style:normal" id="CITEREFEmsley2001"><span style="font-variant: small-caps;">Emsley</span>, John. <a rel="nofollow" class="external text" href="https://www.worldcat.org/oclc/46984609"><i>Nature's building blocks : an A-Z guide to the elements</i></a>.  Oxford: Oxford University Press, 2001. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/0-19-850341-5" title="Especial:Fonts bibliogràfiques/0-19-850341-5">ISBN 0-19-850341-5</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Nature%27s+building+blocks+%3A+an+A-Z+guide+to+the+elements&rft.aulast=Emsley&rft.aufirst=John&rft.date=2001&rft.pub=Oxford+University+Press&rft.place=Oxford&rft.isbn=0-19-850341-5&rft_id=https%3A%2F%2Fwww.worldcat.org%2Foclc%2F46984609"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><a href="#cite_ref-8">↑</a></span> <span class="reference-text"><span class="citation book" style="font-style:normal" id="CITEREFHart2013"><span style="font-variant: small-caps;">Hart</span>, William A. <a rel="nofollow" class="external text" href="https://www.worldcat.org/oclc/893679464"><i>The Chemistry of Lithium, Sodium, Potassium, Rubidium, Cesium and Francium</i></a>. First edition, reprinted with corrections.  Oxford: Elsevier, 2013. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/978-1-4831-8757-0" title="Especial:Fonts bibliogràfiques/978-1-4831-8757-0">ISBN 978-1-4831-8757-0</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Chemistry+of+Lithium%2C+Sodium%2C+Potassium%2C+Rubidium%2C+Cesium+and+Francium&rft.aulast=Hart&rft.aufirst=William+A.&rft.date=2013&rft.edition=First+edition%2C+reprinted+with+corrections&rft.pub=Elsevier&rft.place=Oxford&rft.isbn=978-1-4831-8757-0&rft_id=https%3A%2F%2Fwww.worldcat.org%2Foclc%2F893679464"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-:1-9"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:1_9-0">9,0</a></sup> <sup><a href="#cite_ref-:1_9-1">9,1</a></sup> <sup><a href="#cite_ref-:1_9-2">9,2</a></sup></span> <span class="reference-text"><span class="citation book" style="font-style:normal" id="CITEREFSahoo2012"><span style="font-variant: small-caps;">Sahoo</span>. <a rel="nofollow" class="external text" href="https://www.worldcat.org/oclc/940855748"><i>Inorganic chemistry.</i></a>.  [Place of publication not identified]: Prentice-Hall Of India Pv, 2012. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/81-203-4308-5" title="Especial:Fonts bibliogràfiques/81-203-4308-5">ISBN 81-203-4308-5</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Inorganic+chemistry.&rft.aulast=Sahoo&rft.date=2012&rft.pub=Prentice-Hall+Of+India+Pv&rft.place=%5BPlace+of+publication+not+identified%5D&rft.isbn=81-203-4308-5&rft_id=https%3A%2F%2Fwww.worldcat.org%2Foclc%2F940855748"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><a href="#cite_ref-10">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal"><span style="font-variant: small-caps;">Barthelmy</span>, D. «<a rel="nofollow" class="external text" href="http://webmineral.com/chem/Chem-Na.shtml#.Y9eKOnaZM2w">Mineral Species sorted by the element Na Sodium</a>». <i>Mineralogy Database</i>. [Consulta: 30 gener 2023].</span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><a href="#cite_ref-11">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="https://www.mindat.org/a/common_minerals">The Most Common Minerals on the Earth</a>». <i>Mindat.org</i>.  Mindat.org & Hudson Institute of Mineralogy, 1993-2023. [Consulta: 30 gener 2023].</span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><a href="#cite_ref-12">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal"><span style="font-variant: small-caps;">PubChem</span>. «<a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/5360545">Sodium</a>» (en anglès). [Consulta: 30 gener 2023].</span></span> </li> <li id="cite_note-:5-13"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:5_13-0">13,0</a></sup> <sup><a href="#cite_ref-:5_13-1">13,1</a></sup> <sup><a href="#cite_ref-:5_13-2">13,2</a></sup> <sup><a href="#cite_ref-:5_13-3">13,3</a></sup> <sup><a href="#cite_ref-:5_13-4">13,4</a></sup> <sup><a href="#cite_ref-:5_13-5">13,5</a></sup></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="https://www.webelements.com/sodium/chemistry.html">WebElements Periodic Table » Sodium » reactions of elements</a>». [Consulta: 31 gener 2023].</span></span> </li> <li id="cite_note-:6-14"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:6_14-0">14,00</a></sup> <sup><a href="#cite_ref-:6_14-1">14,01</a></sup> <sup><a href="#cite_ref-:6_14-2">14,02</a></sup> <sup><a href="#cite_ref-:6_14-3">14,03</a></sup> <sup><a href="#cite_ref-:6_14-4">14,04</a></sup> <sup><a href="#cite_ref-:6_14-5">14,05</a></sup> <sup><a href="#cite_ref-:6_14-6">14,06</a></sup> <sup><a href="#cite_ref-:6_14-7">14,07</a></sup> <sup><a href="#cite_ref-:6_14-8">14,08</a></sup> <sup><a href="#cite_ref-:6_14-9">14,09</a></sup> <sup><a href="#cite_ref-:6_14-10">14,10</a></sup></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="http://www.britannica.com/EBchecked/topic/">sodium</a>» (en anglès). <i><a href="/wiki/Encyclop%C3%A6dia_Britannica" title="Encyclopædia Britannica">Encyclopædia Britannica</a></i>, 2003.</span></span> </li> <li id="cite_note-:4-15"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:4_15-0">15,00</a></sup> <sup><a href="#cite_ref-:4_15-1">15,01</a></sup> <sup><a href="#cite_ref-:4_15-2">15,02</a></sup> <sup><a href="#cite_ref-:4_15-3">15,03</a></sup> <sup><a href="#cite_ref-:4_15-4">15,04</a></sup> <sup><a href="#cite_ref-:4_15-5">15,05</a></sup> <sup><a href="#cite_ref-:4_15-6">15,06</a></sup> <sup><a href="#cite_ref-:4_15-7">15,07</a></sup> <sup><a href="#cite_ref-:4_15-8">15,08</a></sup> <sup><a href="#cite_ref-:4_15-9">15,09</a></sup> <sup><a href="#cite_ref-:4_15-10">15,10</a></sup></span> <span class="reference-text"><span class="citation book" style="font-style:normal" id="CITEREFEggemanUpdated_by_Staff2007"><span style="font-variant: small-caps;">Eggeman</span>, Tim; <span style="font-variant: small-caps;">Updated by Staff</span>. <a rel="nofollow" class="external text" href="https://onlinelibrary.wiley.com/doi/10.1002/0471238961.1915040912051311.a01.pub3"><i>Sodium and Sodium Alloys</i></a> (en anglès).  Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007-01-05, p. 1915040912051311.a01.pub3. <span style="font-size:90%;"><a href="/wiki/DOI" title="DOI">DOI</a> <a rel="nofollow" class="external text" href="https://dx.doi.org/10.1002/0471238961.1915040912051311.a01.pub3">10.1002/0471238961.1915040912051311.a01.pub3</a></span>. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/978-0-471-23896-6" title="Especial:Fonts bibliogràfiques/978-0-471-23896-6">ISBN 978-0-471-23896-6</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Sodium+and+Sodium+Alloys&rft.aulast=Eggeman&rft.aufirst=Tim&rft.date=2007-01-05&rft.pub=John+Wiley+%26+Sons%2C+Inc.&rft.place=Hoboken%2C+NJ%2C+USA&rft.pages=1915040912051311.a01.pub3&rft.isbn=978-0-471-23896-6&rft_id=info:doi/10.1002%2F0471238961.1915040912051311.a01.pub3&rft_id=https%3A%2F%2Fonlinelibrary.wiley.com%2Fdoi%2F10.1002%2F0471238961.1915040912051311.a01.pub3"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-:7-16"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:7_16-0">16,0</a></sup> <sup><a href="#cite_ref-:7_16-1">16,1</a></sup> <sup><a href="#cite_ref-:7_16-2">16,2</a></sup></span> <span class="reference-text"><span class="citation" style="font-style:normal"><span style="font-variant: small-caps;">Gray</span>, Theodore. «<a rel="nofollow" class="external text" href="https://periodictable.com/Isotopes/011.24/index.full.html">Isotope data for sodium-24 in the Periodic Table</a>». <i>Periodictable.com</i>. [Consulta: 1r febrer 2023].</span></span> </li> <li id="cite_note-:2-17"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:2_17-0">17,0</a></sup> <sup><a href="#cite_ref-:2_17-1">17,1</a></sup> <sup><a href="#cite_ref-:2_17-2">17,2</a></sup> <sup><a href="#cite_ref-:2_17-3">17,3</a></sup> <sup><a href="#cite_ref-:2_17-4">17,4</a></sup> <sup><a href="#cite_ref-:2_17-5">17,5</a></sup></span> <span class="reference-text"><span class="citation book" style="font-style:normal" id="CITEREFSanz_BalaguéTomasa_Guix2017"><span style="font-variant: small-caps;">Sanz Balagué</span>, J.; <span style="font-variant: small-caps;">Tomasa Guix</span>, O. <a rel="nofollow" class="external text" href="http://worldcat.org/oclc/1120317169"><i>Elements i recursos minerals: aplicacions i reciclatge</i></a>. 3a.  Iniciativa Digital Politècnica, 2017. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/978-84-9880-666-3" title="Especial:Fonts bibliogràfiques/978-84-9880-666-3">ISBN 978-84-9880-666-3</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Elements+i+recursos+minerals%3A+aplicacions+i+reciclatge&rft.aulast=Sanz+Balagu%C3%A9&rft.aufirst=J.&rft.date=2017&rft.edition=3a&rft.pub=Iniciativa+Digital+Polit%C3%A8cnica&rft.isbn=978-84-9880-666-3&rft_id=http%3A%2F%2Fworldcat.org%2Foclc%2F1120317169"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-:9-18"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:9_18-0">18,0</a></sup> <sup><a href="#cite_ref-:9_18-1">18,1</a></sup></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="https://www.termcat.cat/ca/diccionaris-en-linia/183">Diccionari enciclopèdic de medicina (DEMCAT). Versió de treball | TERMCAT</a>». [Consulta: 1r febrer 2023].</span></span> </li> <li id="cite_note-:3-19"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:3_19-0">19,0</a></sup> <sup><a href="#cite_ref-:3_19-1">19,1</a></sup> <sup><a href="#cite_ref-:3_19-2">19,2</a></sup></span> <span class="reference-text"><span class="citation book" style="font-style:normal" id="CITEREFAra_Roldán2007"><span style="font-variant: small-caps;">Ara Roldán</span>, Alfredo. <a rel="nofollow" class="external text" href="https://www.worldcat.org/oclc/433765807"><i>Los alimentos de la A a la Z : sepa lo que come : diccionario de alimentos y aditivos alimentarios</i></a>.  Madrid: Edaf, 2007. <span style="font-size:90%; white-space:nowrap;"><a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/978-84-414-1987-2" title="Especial:Fonts bibliogràfiques/978-84-414-1987-2">ISBN 978-84-414-1987-2</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Los+alimentos+de+la+A+a+la+Z+%3A+sepa+lo+que+come+%3A+diccionario+de+alimentos+y+aditivos+alimentarios&rft.aulast=Ara+Rold%C3%A1n&rft.aufirst=Alfredo&rft.date=2007&rft.pub=Edaf&rft.place=Madrid&rft.isbn=978-84-414-1987-2&rft_id=https%3A%2F%2Fwww.worldcat.org%2Foclc%2F433765807"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-:8-20"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:8_20-0">20,0</a></sup> <sup><a href="#cite_ref-:8_20-1">20,1</a></sup></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="https://www.termcat.cat/ca/diccionaris-en-linia/212">Diccionari de química | TERMCAT</a>». [Consulta: 1r febrer 2023].</span></span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><a href="#cite_ref-21">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="https://www.ilo.org/dyn/icsc/showcard.display?p_lang=es&p_card_id=0717&p_version=2">ICSC 0717 - SODIO</a>».  International Labour Organization (ILO), 2018. [Consulta: 1r febrer 2023].</span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Enllaços_externs"><span id="Enlla.C3.A7os_externs"></span>Enllaços externs</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sodi&action=edit&section=24" title="Modifica la secció: Enllaços externs"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <table cellpadding="2" cellspacing="0" align="right" style="margin:5px; padding: 5px; border:1px solid #aaaaaa; text-align:left;" class="infobox noprint plainlinks"> <tbody><tr> <td colspan="2" style="text-align:center; font-size:85%">En altres projectes de <a href="/wiki/Fundaci%C3%B3_Wikimedia" title="Fundació Wikimedia">Wikimedia</a>: </td></tr> <tr> <td><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/Fitxer:Commons-logo.svg" class="mw-file-description" title="Commons"><img alt="Commons" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/20px-Commons-logo.svg.png" decoding="async" width="17" height="23" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/40px-Commons-logo.svg.png 1.5x" data-file-width="1024" data-file-height="1376" /></a><figcaption>Commons</figcaption></figure></td> <td><a href="https://commons.wikimedia.org/wiki/Sodium" class="extiw" title="commons:Sodium"><b>Commons</b></a><span style="font-size:70%;"> (Galeria)</span> <span class="penicon"><span class="mw-valign-baseline" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q658?uselang=ca#sitelinks-special" title="Modifica el valor a Wikidata"><img alt="Modifica el valor a Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span> </td></tr> <tr> <td><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/Fitxer:Commons-logo.svg" class="mw-file-description" title="Commons"><img alt="Commons" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/20px-Commons-logo.svg.png" decoding="async" width="17" height="23" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/40px-Commons-logo.svg.png 1.5x" data-file-width="1024" data-file-height="1376" /></a><figcaption>Commons</figcaption></figure></td> <td><a href="https://commons.wikimedia.org/wiki/Category:Sodium" class="extiw" title="commons:Category:Sodium"><b>Commons</b></a><span style="font-size:70%;"> (Categoria)</span> <span class="penicon"><span class="mw-valign-baseline" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q658?uselang=ca#sitelinks-special" title="Modifica el valor a Wikidata"><img alt="Modifica el valor a Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span> </td></tr> </tbody></table> <ul><li><a rel="nofollow" class="external text" href="http://www.webelements.com/webelements/elements/text/Na/index.html">webelements.com - Sodi</a> <style data-mw-deduplicate="TemplateStyles:r33711417">.mw-parser-output .languageicon{font-size:0.95em;color:#555;background-color:inherit}@media screen{html.skin-theme-clientpref-night .mw-parser-output .languageicon{background-color:inherit;color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .languageicon{background-color:inherit;color:white}}</style><span class="languageicon" title="En anglès">(anglès)</span>.</li> <li><a rel="nofollow" class="external text" href="http://environmentalchemistry.com/yogi/periodic/Na.html">environmentalchemistry.com - Sodi</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r33711417" /><span class="languageicon" title="En anglès">(anglès)</span>.</li> <li><a rel="nofollow" class="external text" href="http://education.jlab.org/itselemental/ele011.html">És Elemental - Sodi</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r33711417" /><span class="languageicon" title="En anglès">(anglès)</span>.</li></ul> <table class="navbox collapsible"> <tbody><tr> <th colspan="32"><a href="/wiki/Taula_peri%C3%B2dica" title="Taula periòdica">Taula periòdica</a> </th></tr> <tr> <td width="3.125%" style="background-color:#a0ffa0"><a href="/wiki/Hidrogen" title="Hidrogen">H</a> </td> <td width="3.125%" colspan="30">  </td> <td width="3.125%" style="background-color:#c0ffff"><a href="/wiki/Heli" title="Heli">He</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Liti" title="Liti">Li</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Beril%C2%B7li" title="Beril·li">Be</a> </td> <td colspan="24">  </td> <td style="background-color:#cccc99"><a href="/wiki/Bor" title="Bor">B</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Carboni" title="Carboni">C</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Nitrogen" title="Nitrogen">N</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Oxigen" title="Oxigen">O</a> </td> <td style="background-color:#ffff99"><a href="/wiki/Fluor" title="Fluor">F</a> </td> <td style="background-color:#c0ffff"><a href="/wiki/Ne%C3%B3" title="Neó">Ne</a> </td></tr> <tr> <td style="background-color:#ff6666"><a class="mw-selflink selflink">Na</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Magnesi" title="Magnesi">Mg</a> </td> <td colspan="24">  </td> <td style="background-color:#cccccc"><a href="/wiki/Alumini" title="Alumini">Al</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Silici" title="Silici">Si</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/F%C3%B2sfor" title="Fòsfor">P</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Sofre" title="Sofre">S</a> </td> <td style="background-color:#ffff99"><a href="/wiki/Clor" title="Clor">Cl</a> </td> <td style="background-color:#c0ffff"><a href="/wiki/Arg%C3%B3" title="Argó">Ar</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Potassi" title="Potassi">K</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Calci" title="Calci">Ca</a> </td> <td colspan="14">  </td> <td style="background-color:#ffc0c0"><a href="/wiki/Escandi" title="Escandi">Sc</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Titani" title="Titani">Ti</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Vanadi" title="Vanadi">V</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Crom" title="Crom">Cr</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Mangan%C3%A8s" title="Manganès">Mn</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Ferro" title="Ferro">Fe</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Cobalt" title="Cobalt">Co</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/N%C3%ADquel" title="Níquel">Ni</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Coure" title="Coure">Cu</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Zinc" title="Zinc">Zn</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Gal%C2%B7li" title="Gal·li">Ga</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Germani" title="Germani">Ge</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Ars%C3%A8nic" title="Arsènic">As</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Seleni" title="Seleni">Se</a> </td> <td style="background-color:#ffff99"><a href="/wiki/Brom" title="Brom">Br</a> </td> <td style="background-color:#c0ffff"><a href="/wiki/Cript%C3%B3" title="Criptó">Kr</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Rubidi" title="Rubidi">Rb</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Estronci" title="Estronci">Sr</a> </td> <td colspan="14">  </td> <td style="background-color:#ffc0c0"><a href="/wiki/Itri" title="Itri">Y</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Zirconi" title="Zirconi">Zr</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Niobi" title="Niobi">Nb</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Molibd%C3%A8" title="Molibdè">Mo</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Tecneci" title="Tecneci">Tc</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Ruteni" title="Ruteni">Ru</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Rodi" title="Rodi">Rh</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Pal%C2%B7ladi_(element)" title="Pal·ladi (element)">Pd</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Argent_(element)" class="mw-redirect" title="Argent (element)">Ag</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Cadmi" title="Cadmi">Cd</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Indi_(element)" title="Indi (element)">In</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Estany_(element)" title="Estany (element)">Sn</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Antimoni" title="Antimoni">Sb</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Tel%C2%B7luri" title="Tel·luri">Te</a> </td> <td style="background-color:#ffff99"><a href="/wiki/Iode" title="Iode">I</a> </td> <td style="background-color:#c0ffff"><a href="/wiki/Xen%C3%B3" title="Xenó">Xe</a> </td></tr> <tr> <td width="3.125%" style="background-color:#ff6666"><a href="/wiki/Cesi" title="Cesi">Cs</a> </td> <td width="3.125%" style="background-color:#ffdead"><a href="/wiki/Bari_(element)" title="Bari (element)">Ba</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Lantani" title="Lantani">La</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Ceri" title="Ceri">Ce</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Praseodimi" title="Praseodimi">Pr</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Neodimi" title="Neodimi">Nd</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Prometi" title="Prometi">Pm</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Samari" title="Samari">Sm</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Europi" title="Europi">Eu</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Gadolini" title="Gadolini">Gd</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Terbi" title="Terbi">Tb</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Disprosi" title="Disprosi">Dy</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Holmi" title="Holmi">Ho</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Erbi" title="Erbi">Er</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Tuli" title="Tuli">Tm</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Iterbi" title="Iterbi">Yb</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Luteci" title="Luteci">Lu</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Hafni" title="Hafni">Hf</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/T%C3%A0ntal" title="Tàntal">Ta</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Tungst%C3%A8" title="Tungstè">W</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Reni" title="Reni">Re</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Osmi" title="Osmi">Os</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Iridi" title="Iridi">Ir</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Plat%C3%AD" title="Platí">Pt</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Or" title="Or">Au</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Mercuri_(element)" title="Mercuri (element)">Hg</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Tal%C2%B7li" title="Tal·li">Tl</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Plom" title="Plom">Pb</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Bismut" title="Bismut">Bi</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Poloni" title="Poloni">Po</a> </td> <td width="3.125%" style="background-color:#cccc99"><a href="/wiki/%C3%80stat" title="Àstat">At</a> </td> <td width="3.125%" style="background-color:#c0ffff"><a href="/wiki/Rad%C3%B3" title="Radó">Rn</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Franci" title="Franci">Fr</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Radi_(element)" title="Radi (element)">Ra</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Actini" title="Actini">Ac</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Tori" title="Tori">Th</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Protoactini" title="Protoactini">Pa</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Urani" title="Urani">U</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Neptuni" title="Neptuni">Np</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Plutoni" title="Plutoni">Pu</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Americi" title="Americi">Am</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Curi" title="Curi">Cm</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Berkeli" title="Berkeli">Bk</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Californi" title="Californi">Cf</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Einsteini" title="Einsteini">Es</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Fermi_(element)" title="Fermi (element)">Fm</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Mendelevi" title="Mendelevi">Md</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Nobeli" title="Nobeli">No</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Lawrenci" title="Lawrenci">Lr</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Rutherfordi" title="Rutherfordi">Rf</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Dubni" title="Dubni">Db</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Seaborgi" title="Seaborgi">Sg</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Bohri" title="Bohri">Bh</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Hassi" title="Hassi">Hs</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Meitneri" title="Meitneri">Mt</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Darmstadti" title="Darmstadti">Ds</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Roentgeni" title="Roentgeni">Rg</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Copernici" title="Copernici">Cn</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Nihoni" title="Nihoni">Nh</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Flerovi" title="Flerovi">Fl</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Moscovi" title="Moscovi">Mc</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Livermori" title="Livermori">Lv</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Tennes" title="Tennes">Ts</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Oganess%C3%B3" title="Oganessó">Og</a> </td></tr> <tr> <td colspan="32"> <table border="1" align="center" style="border:1px solid #ffffff; border-collapse:collapse; font-size: smaller; width:100%" rules="all" cellpadding="1"> <tbody><tr> <td style="background-color:#ff6666" width="10%"><a href="/wiki/Metall_alcal%C3%AD" title="Metall alcalí">Metalls alcalins</a> </td> <td style="background-color:#ffdead" width="10%"><a href="/wiki/Alcalinoterris" class="mw-redirect" title="Alcalinoterris">Alcalinoterris</a> </td> <td style="background-color:#ffbfff" width="10%"><a href="/wiki/Lantanoide" title="Lantanoide">Lantanoides</a> </td> <td style="background-color:#ff99cc" width="10%"><a href="/wiki/Actinoide" title="Actinoide">Actinoides</a> </td> <td style="background-color:#ffc0c0" width="10%"><a href="/wiki/Metall_de_transici%C3%B3" title="Metall de transició">Metalls de transició</a> </td> <td style="background-color:#cccccc" width="10%">Altres <a href="/wiki/Metalls" class="mw-redirect" title="Metalls">metalls</a> </td> <td style="background-color:#cccc99" width="10%"><a href="/wiki/Semimetall" title="Semimetall">Semimetalls</a> </td> <td style="background-color:#ffff99" width="10%"><a href="/wiki/Halogen" title="Halogen">No-metalls - Halògens</a> </td> <td style="background-color:#c0ffff" width="10%"><a href="/wiki/Gas_noble" title="Gas noble">No-metalls - Gasos nobles</a> </td> <td style="background-color:#a0ffa0" width="10%">Altres <a href="/wiki/No-metall" title="No-metall">no-metalls</a> </td></tr></tbody></table> </td></tr> <tr> <th colspan="32"> <table border="0" align="center" style="width:100%; height:50%;" cellpadding="0"> <tbody><tr> <td style="background-color:#c9c9ff"> </td></tr></tbody></table> </th></tr></tbody></table> <div role="navigation" class="navbox" aria-label="Navbox" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Control_d%27autoritats" title="Control d'autoritats">Registres d'autoritat</a></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Biblioth%C3%A8que_nationale_de_France" class="mw-redirect" title="Bibliothèque nationale de France">BNF</a> (<a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb11980515x">1</a>)</li> <li><a href="/wiki/Gemeinsame_Normdatei" title="Gemeinsame Normdatei">GND</a> (<a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4171239-0">1</a>)</li> <li><a href="/wiki/LCCN" class="mw-redirect" title="LCCN">LCCN</a> (<a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/sh85124249">1</a>)</li> <li><a href="/wiki/National_Diet_Library" class="mw-redirect" title="National Diet Library">NDL</a> (<a rel="nofollow" class="external text" href="https://id.ndl.go.jp/auth/ndlna/00568053">1</a>)</li> <li><a href="/wiki/Biblioteca_Nacional_de_la_Rep%C3%BAblica_Txeca" title="Biblioteca Nacional de la República Txeca">NKC</a> (<a rel="nofollow" class="external text" href="https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=ph323347&CON_LNG=ENG">1</a>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Bases d'informació</th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/GEC" class="mw-redirect" title="GEC">GEC</a> (<a rel="nofollow" class="external text" href="https://www.enciclopedia.cat/gran-enciclopedia-catalana/sodi">1</a>)</li> <li><a href="/wiki/Encyclop%C3%A6dia_Britannica_Online" title="Encyclopædia Britannica Online">Britannica</a> (<a rel="nofollow" class="external text" href="https://www.britannica.com/science/sodium">1</a>)</li> <li><a href="/wiki/Enciclop%C3%A8dia_Larousse" title="Enciclopèdia Larousse">Larousse</a> (<a rel="nofollow" class="external text" href="https://www.larousse.fr/encyclopedie/divers/sodium/92376">1</a>)</li> <li><a class="external text" href="https://wikidata-externalid-url.toolforge.org/?p=4342&url_prefix=https://snl.no/&id=natrium">SNL</a></li> <li><a href="/wiki/Treccani" title="Treccani">Treccani</a> (<a rel="nofollow" class="external text" href="https://www.treccani.it/enciclopedia/sodio">1</a>)</li></ul> </div></td></tr></tbody></table></div> <p><span style="display: none;" class="interProject"><a href="https://ca.wiktionary.org/wiki/sodi" class="extiw" title="wikt:sodi">Viccionari</a></span> </p>    </div><noscript><img src="https://auth.wikimedia.org/loginwiki/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Obtingut de «<a dir="ltr" href="https://ca.wikipedia.org/w/index.php?title=Sodi&oldid=34468376">https://ca.wikipedia.org/w/index.php?title=Sodi&oldid=34468376</a>»</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Especial:Categorias" title="Especial:Categorias">Categoria</a>: <ul><li><a href="/wiki/Categoria:Sodi" title="Categoria:Sodi">Sodi</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Categories ocultes: <ul><li><a href="/wiki/Categoria:P%C3%A0gines_amb_arguments_formatnum_no_num%C3%A8rics" title="Categoria:Pàgines amb arguments formatnum no numèrics">Pàgines amb arguments formatnum no numèrics</a></li><li><a href="/wiki/Categoria:P%C3%A0gines_amb_enlla%C3%A7_commonscat_des_de_Wikidata" title="Categoria:Pàgines amb enllaç commonscat des de Wikidata">Pàgines amb enllaç commonscat des de Wikidata</a></li><li><a href="/wiki/Categoria:Control_d%27autoritats" title="Categoria:Control d'autoritats">Control d'autoritats</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> La pàgina va ser modificada per darrera vegada el 9 gen 2025 a les 08:34.</li> <li id="footer-info-copyright">El text està disponible sota la <a href="/wiki/Viquip%C3%A8dia:Text_de_la_llic%C3%A8ncia_de_Creative_Commons_Reconeixement-Compartir_Igual_4.0_No_adaptada" title="Viquipèdia:Text de la llicència de Creative Commons Reconeixement-Compartir Igual 4.0 No adaptada"> Llicència de Creative Commons Reconeixement i Compartir-Igual</a>; es poden aplicar termes addicionals. Vegeu les <a class="external text" href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use/ca">Condicions d'ús</a>. Wikipedia® (Viquipèdia™) és una <a href="/wiki/Marca_comercial" title="Marca comercial">marca registrada</a> de <a rel="nofollow" class="external text" href="https://www.wikimediafoundation.org">Wikimedia Foundation, Inc</a>.<br /></li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Política de privadesa</a></li> <li id="footer-places-about"><a href="/wiki/Viquip%C3%A8dia:Quant_a_la_Viquip%C3%A8dia">Quant al projecte Viquipèdia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Viquip%C3%A8dia:Av%C3%ADs_d%27exempci%C3%B3_de_responsabilitat">Descàrrec de responsabilitat</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Codi de conducta</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Desenvolupadors</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/ca.wikipedia.org">Estadístiques</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Declaració de cookies</a></li> <li id="footer-places-mobileview"><a href="//ca.m.wikipedia.org/w/index.php?title=Sodi&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Versió per a mòbils</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://www.wikimedia.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><picture><source media="(min-width: 500px)" srcset="/static/images/footer/wikimedia-button.svg" width="84" height="29"><img src="/static/images/footer/wikimedia.svg" width="25" height="25" alt="Wikimedia Foundation" lang="en" loading="lazy"></picture></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><picture><source media="(min-width: 500px)" srcset="/w/resources/assets/poweredby_mediawiki.svg" width="88" height="31"><img src="/w/resources/assets/mediawiki_compact.svg" alt="Powered by MediaWiki" lang="en" width="25" height="25" loading="lazy"></picture></a></li> </ul> </footer> </div> </div> </div> <div class="vector-header-container vector-sticky-header-container"> <div id="vector-sticky-header" class="vector-sticky-header"> <div class="vector-sticky-header-start"> <div class="vector-sticky-header-icon-start vector-button-flush-left vector-button-flush-right" aria-hidden="true"> <button class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-sticky-header-search-toggle" tabindex="-1" data-event-name="ui.vector-sticky-search-form.icon"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Cerca</span> </button> </div> <div role="search" class="vector-search-box-vue vector-search-box-show-thumbnail vector-search-box"> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail"> <form action="/w/index.php" id="vector-sticky-search-form" class="cdx-search-input cdx-search-input--has-end-button"> <div class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Cerca a Viquipèdia"> <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Especial:Cerca"> </div> <button class="cdx-button cdx-search-input__end-button">Cerca</button> </form> </div> </div> </div> <div class="vector-sticky-header-context-bar"> <nav aria-label="Contingut" class="vector-toc-landmark"> <div id="vector-sticky-header-toc" class="vector-dropdown mw-portlet mw-portlet-sticky-header-toc vector-sticky-header-toc vector-button-flush-left" > <input type="checkbox" id="vector-sticky-header-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-sticky-header-toc" class="vector-dropdown-checkbox " aria-label="Commuta la taula de continguts." > <label id="vector-sticky-header-toc-label" for="vector-sticky-header-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Commuta la taula de continguts.</span> </label> <div class="vector-dropdown-content"> <div id="vector-sticky-header-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div class="vector-sticky-header-context-bar-primary" aria-hidden="true" ><span class="mw-page-title-main">Sodi</span></div> </div> </div> <div class="vector-sticky-header-end" aria-hidden="true"> <div class="vector-sticky-header-icons"> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-talk-sticky-header" tabindex="-1" data-event-name="talk-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbles mw-ui-icon-wikimedia-speechBubbles"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-subject-sticky-header" tabindex="-1" data-event-name="subject-sticky-header"><span class="vector-icon mw-ui-icon-article mw-ui-icon-wikimedia-article"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-history-sticky-header" tabindex="-1" data-event-name="history-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-history mw-ui-icon-wikimedia-wikimedia-history"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only mw-watchlink" id="ca-watchstar-sticky-header" tabindex="-1" data-event-name="watch-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-star mw-ui-icon-wikimedia-wikimedia-star"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-edit-sticky-header" tabindex="-1" data-event-name="wikitext-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-wikiText mw-ui-icon-wikimedia-wikimedia-wikiText"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-ve-edit-sticky-header" tabindex="-1" data-event-name="ve-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-edit mw-ui-icon-wikimedia-wikimedia-edit"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-viewsource-sticky-header" tabindex="-1" data-event-name="ve-edit-protected-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-editLock mw-ui-icon-wikimedia-wikimedia-editLock"></span> <span></span> </a> </div> <div class="vector-sticky-header-buttons"> <button class="cdx-button cdx-button--weight-quiet mw-interlanguage-selector" id="p-lang-btn-sticky-header" tabindex="-1" data-event-name="ui.dropdown-p-lang-btn-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>174 llengües</span> </button> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive" id="ca-addsection-sticky-header" tabindex="-1" data-event-name="addsection-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbleAdd-progressive mw-ui-icon-wikimedia-speechBubbleAdd-progressive"></span> <span>Afegeix un tema</span> </a> </div> <div class="vector-sticky-header-icon-end"> <div class="vector-user-links"> </div> </div> </div> </div> </div> <div class="mw-portlet mw-portlet-dock-bottom emptyPortlet" id="p-dock-bottom"> <ul> </ul> </div> <script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-85bfcffb59-blzbm","wgBackendResponseTime":224,"wgPageParseReport":{"limitreport":{"cputime":"0.658","walltime":"0.989","ppvisitednodes":{"value":13011,"limit":1000000},"postexpandincludesize":{"value":255217,"limit":2097152},"templateargumentsize":{"value":17727,"limit":2097152},"expansiondepth":{"value":13,"limit":100},"expensivefunctioncount":{"value":4,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":32693,"limit":5000000},"entityaccesscount":{"value":5,"limit":400},"timingprofile":["100.00% 514.782 1 -total"," 29.26% 150.636 1 Plantilla:Referències"," 21.60% 111.213 1 Plantilla:Projectes_germans"," 19.51% 100.437 1 Plantilla:Sodi"," 18.53% 95.372 1 Plantilla:Infotaula_d\u0026#039;element_químic"," 13.06% 67.213 1 Plantilla:Autoritat"," 12.46% 64.166 12 Plantilla:Ref-web"," 8.69% 44.735 1 Plantilla:NavPeriodicTable"," 7.50% 38.593 1 Plantilla:Principal"," 6.62% 34.064 118 Plantilla:NavPeriodicTable/PeriodicTable/Element"]},"scribunto":{"limitreport-timeusage":{"value":"0.114","limit":"10.000"},"limitreport-memusage":{"value":2997923,"limit":52428800}},"cachereport":{"origin":"mw-web.eqiad.main-78bdfcd464-mh7mr","timestamp":"20250318212600","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Sodi","url":"https:\/\/ca.wikipedia.org\/wiki\/Sodi","sameAs":"http:\/\/www.wikidata.org\/entity\/Q658","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q658","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2004-10-03T06:25:03Z","dateModified":"2025-01-09T06:34:38Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/2\/27\/Na_%28Sodium%29.jpg","headline":"element qu\u00edmic amb nombre at\u00f2mic 11"}</script> </body> </html>