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Natrium - Wikipedia, den frie encyklopædi

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class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Natriums kemi</span> </div> </a> <ul id="toc-Natriums_kemi-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tekniske_anvendelser" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tekniske_anvendelser"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Tekniske anvendelser</span> </div> </a> <ul id="toc-Tekniske_anvendelser-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Forekomst_og_udvinding" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Forekomst_og_udvinding"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Forekomst og udvinding</span> </div> </a> <ul id="toc-Forekomst_og_udvinding-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Historie" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Historie"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Historie</span> </div> </a> <ul id="toc-Historie-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Natrium_i_biologien" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Natrium_i_biologien"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Natrium i biologien</span> </div> </a> <ul id="toc-Natrium_i_biologien-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Isotoper_af_natrium" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Isotoper_af_natrium"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Isotoper af natrium</span> </div> </a> <ul id="toc-Isotoper_af_natrium-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="Indhold" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <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="Vis/skjul indholdsfortegnelsen" > <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">Vis/skjul indholdsfortegnelsen</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">Natrium</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="Gå til en artikel på et andet sprog. Tilgængelig på 173 sprog" > <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-173" 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">173 sprog</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 – amharisk" lang="am" hreflang="am" data-title="ሶዲየም" data-language-autonym="አማርኛ" data-language-local-name="amharisk" 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 – aragonsk" lang="an" hreflang="an" data-title="Sodio" data-language-autonym="Aragonés" data-language-local-name="aragonsk" 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="god artikel"><a href="https://ar.wikipedia.org/wiki/%D8%B5%D9%88%D8%AF%D9%8A%D9%88%D9%85" title="صوديوم – arabisk" lang="ar" hreflang="ar" data-title="صوديوم" data-language-autonym="العربية" data-language-local-name="arabisk" 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 – Egyptian Arabic" lang="arz" hreflang="arz" data-title="صوديوم" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" 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 – asturisk" lang="ast" hreflang="ast" data-title="Sodiu" data-language-autonym="Asturianu" data-language-local-name="asturisk" 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 – aserbajdsjansk" lang="az" hreflang="az" data-title="Natrium" data-language-autonym="Azərbaycanca" data-language-local-name="aserbajdsjansk" 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 – balinesisk" lang="ban" hreflang="ban" data-title="Natrium" data-language-autonym="Basa Bali" data-language-local-name="balinesisk" 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 – belarusisk" lang="be" hreflang="be" data-title="Натрый" data-language-autonym="Беларуская" data-language-local-name="belarusisk" 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 – bulgarsk" lang="bg" hreflang="bg" data-title="Натрий" data-language-autonym="Български" data-language-local-name="bulgarsk" 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&#039;O" lang="blk" hreflang="blk" data-title="သိုဒီယမ်" data-language-autonym="ပအိုဝ်ႏဘာႏသာႏ" data-language-local-name="Pa&#039;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 – bengali" lang="bn" hreflang="bn" data-title="সোডিয়াম" data-language-autonym="বাংলা" data-language-local-name="bengali" 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། – tibetansk" lang="bo" hreflang="bo" data-title="བུལ་རྫས།" data-language-autonym="བོད་ཡིག" data-language-local-name="tibetansk" 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 – bretonsk" lang="br" hreflang="br" data-title="Sodiom" data-language-autonym="Brezhoneg" data-language-local-name="bretonsk" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs badge-Q17437796 badge-featuredarticle mw-list-item" title="fremragende artikel"><a href="https://bs.wikipedia.org/wiki/Natrij" title="Natrij – bosnisk" lang="bs" hreflang="bs" data-title="Natrij" data-language-autonym="Bosanski" data-language-local-name="bosnisk" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Sodi" title="Sodi – catalansk" lang="ca" hreflang="ca" data-title="Sodi" data-language-autonym="Català" data-language-local-name="catalansk" class="interlanguage-link-target"><span>Català</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 – cebuano" lang="ceb" hreflang="ceb" data-title="Sodio" data-language-autonym="Cebuano" data-language-local-name="cebuano" 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 – sorani" lang="ckb" hreflang="ckb" data-title="سۆدیۆم" data-language-autonym="کوردی" data-language-local-name="sorani" 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 – korsikansk" lang="co" hreflang="co" data-title="Sodiu" data-language-autonym="Corsu" data-language-local-name="korsikansk" 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 – tjekkisk" lang="cs" hreflang="cs" data-title="Sodík" data-language-autonym="Čeština" data-language-local-name="tjekkisk" 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 – tjuvasjisk" lang="cv" hreflang="cv" data-title="Натрий" data-language-autonym="Чӑвашла" data-language-local-name="tjuvasjisk" 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 – walisisk" lang="cy" hreflang="cy" data-title="Sodiwm" data-language-autonym="Cymraeg" data-language-local-name="walisisk" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-de badge-Q17437798 badge-goodarticle mw-list-item" title="god artikel"><a href="https://de.wikipedia.org/wiki/Natrium" title="Natrium – tysk" lang="de" hreflang="de" data-title="Natrium" data-language-autonym="Deutsch" data-language-local-name="tysk" 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 – græsk" lang="el" hreflang="el" data-title="Νάτριο" data-language-autonym="Ελληνικά" data-language-local-name="græsk" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="god artikel"><a href="https://en.wikipedia.org/wiki/Sodium" title="Sodium – engelsk" lang="en" hreflang="en" data-title="Sodium" data-language-autonym="English" data-language-local-name="engelsk" 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 – spansk" lang="es" hreflang="es" data-title="Sodio" data-language-autonym="Español" data-language-local-name="spansk" 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 – estisk" lang="et" hreflang="et" data-title="Naatrium" data-language-autonym="Eesti" data-language-local-name="estisk" 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 – baskisk" lang="eu" hreflang="eu" data-title="Sodio" data-language-autonym="Euskara" data-language-local-name="baskisk" 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 – Extremaduran" lang="ext" hreflang="ext" data-title="Sodiu" data-language-autonym="Estremeñu" data-language-local-name="Extremaduran" 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 – persisk" lang="fa" hreflang="fa" data-title="سدیم" data-language-autonym="فارسی" data-language-local-name="persisk" 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 – finsk" lang="fi" hreflang="fi" data-title="Natrium" data-language-autonym="Suomi" data-language-local-name="finsk" 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 – færøsk" lang="fo" hreflang="fo" data-title="Natrium" data-language-autonym="Føroyskt" data-language-local-name="færøsk" 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 – fransk" lang="fr" hreflang="fr" data-title="Sodium" data-language-autonym="Français" data-language-local-name="fransk" 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 – nordfrisisk" lang="frr" hreflang="frr" data-title="Naatrium" data-language-autonym="Nordfriisk" data-language-local-name="nordfrisisk" 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 – friulisk" lang="fur" hreflang="fur" data-title="Sodi" data-language-autonym="Furlan" data-language-local-name="friulisk" 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 – vestfrisisk" lang="fy" hreflang="fy" data-title="Natrium" data-language-autonym="Frysk" data-language-local-name="vestfrisisk" 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 – irsk" lang="ga" hreflang="ga" data-title="Sóidiam" data-language-autonym="Gaeilge" data-language-local-name="irsk" 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 – gan-kinesisk" lang="gan" hreflang="gan" data-title="鈉" data-language-autonym="贛語" data-language-local-name="gan-kinesisk" 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 – skotsk gælisk" lang="gd" hreflang="gd" data-title="Sòidium" data-language-autonym="Gàidhlig" data-language-local-name="skotsk gælisk" 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 – galicisk" lang="gl" hreflang="gl" data-title="Sodio" data-language-autonym="Galego" data-language-local-name="galicisk" 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 – hakka-kinesisk" lang="hak" hreflang="hak" data-title="Na̍p" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="hakka-kinesisk" 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 – hawaiiansk" lang="haw" hreflang="haw" data-title="Sodiuma" data-language-autonym="Hawaiʻi" data-language-local-name="hawaiiansk" 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 – hebraisk" lang="he" hreflang="he" data-title="נתרן" data-language-autonym="עברית" data-language-local-name="hebraisk" 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 – Fiji Hindi" lang="hif" hreflang="hif" data-title="Sodium" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" 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 – kroatisk" lang="hr" hreflang="hr" data-title="Natrij" data-language-autonym="Hrvatski" data-language-local-name="kroatisk" 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 – haitisk" lang="ht" hreflang="ht" data-title="Sodyòm" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitisk" 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 – ungarsk" lang="hu" hreflang="hu" data-title="Nátrium" data-language-autonym="Magyar" data-language-local-name="ungarsk" 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 – armensk" lang="hy" hreflang="hy" data-title="Նատրիում" data-language-autonym="Հայերեն" data-language-local-name="armensk" 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 – indonesisk" lang="id" hreflang="id" data-title="Natrium" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesisk" 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 – islandsk" lang="is" hreflang="is" data-title="Natrín" data-language-autonym="Íslenska" data-language-local-name="islandsk" 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 – italiensk" lang="it" hreflang="it" data-title="Sodio" data-language-autonym="Italiano" data-language-local-name="italiensk" 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 – japansk" lang="ja" hreflang="ja" data-title="ナトリウム" data-language-autonym="日本語" data-language-local-name="japansk" 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 – javanesisk" lang="jv" hreflang="jv" data-title="Natriyum" data-language-autonym="Jawa" data-language-local-name="javanesisk" 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 – georgisk" lang="ka" hreflang="ka" data-title="ნატრიუმი" data-language-autonym="ქართული" data-language-local-name="georgisk" 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 – karakalpakisk" lang="kaa" hreflang="kaa" data-title="Nаtriy" data-language-autonym="Qaraqalpaqsha" data-language-local-name="karakalpakisk" 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 – kikuyu" lang="ki" hreflang="ki" data-title="Sodium" data-language-autonym="Gĩkũyũ" data-language-local-name="kikuyu" 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 – kasakhisk" lang="kk" hreflang="kk" data-title="Натрий" data-language-autonym="Қазақша" data-language-local-name="kasakhisk" 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 – koreansk" lang="ko" hreflang="ko" data-title="나트륨" data-language-autonym="한국어" data-language-local-name="koreansk" 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 – kurdisk" lang="ku" hreflang="ku" data-title="Natriyûm" data-language-autonym="Kurdî" data-language-local-name="kurdisk" 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 – cornisk" lang="kw" hreflang="kw" data-title="Sodiom" data-language-autonym="Kernowek" data-language-local-name="cornisk" 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 – kirgisisk" lang="ky" hreflang="ky" data-title="Натрий" data-language-autonym="Кыргызча" data-language-local-name="kirgisisk" 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 – latin" lang="la" hreflang="la" data-title="Natrium" data-language-autonym="Latina" data-language-local-name="latin" 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 – luxembourgsk" lang="lb" hreflang="lb" data-title="Natrium" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxembourgsk" 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 – limburgsk" lang="li" hreflang="li" data-title="Natrium" data-language-autonym="Limburgs" data-language-local-name="limburgsk" 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 – Ligurian" lang="lij" hreflang="lij" data-title="Sodio" data-language-autonym="Ligure" data-language-local-name="Ligurian" 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 – Lombard" lang="lmo" hreflang="lmo" data-title="Sodio" data-language-autonym="Lombard" data-language-local-name="Lombard" 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 – lao" lang="lo" hreflang="lo" data-title="ໂຊດຽມ" data-language-autonym="ລາວ" data-language-local-name="lao" 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 – litauisk" lang="lt" hreflang="lt" data-title="Natris" data-language-autonym="Lietuvių" data-language-local-name="litauisk" 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 – lettisk" lang="lv" hreflang="lv" data-title="Nātrijs" data-language-autonym="Latviešu" data-language-local-name="lettisk" 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 – moksha" lang="mdf" hreflang="mdf" data-title="Натри" data-language-autonym="Мокшень" data-language-local-name="moksha" 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 – malagassisk" lang="mg" hreflang="mg" data-title="Sôdiôma" data-language-autonym="Malagasy" data-language-local-name="malagassisk" 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 – makedonsk" lang="mk" hreflang="mk" data-title="Натриум" data-language-autonym="Македонски" data-language-local-name="makedonsk" 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 – malayalam" lang="ml" hreflang="ml" data-title="സോഡിയം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" 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 – mongolsk" lang="mn" hreflang="mn" data-title="Натри" data-language-autonym="Монгол" data-language-local-name="mongolsk" 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 – manipuri" lang="mni" hreflang="mni" data-title="ꯁꯣꯗꯤꯌꯝ" data-language-autonym="ꯃꯤꯇꯩ ꯂꯣꯟ" data-language-local-name="manipuri" 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 – marathisk" lang="mr" hreflang="mr" data-title="सोडियम" data-language-autonym="मराठी" data-language-local-name="marathisk" 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 – Western Mari" lang="mrj" hreflang="mrj" data-title="Натрий" data-language-autonym="Кырык мары" data-language-local-name="Western Mari" 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 – malajisk" lang="ms" hreflang="ms" data-title="Natrium" data-language-autonym="Bahasa Melayu" data-language-local-name="malajisk" 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 – burmesisk" lang="my" hreflang="my" data-title="ဆိုဒီယမ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="burmesisk" 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 – nedertysk" lang="nds" hreflang="nds" data-title="Natrium" data-language-autonym="Plattdüütsch" data-language-local-name="nedertysk" 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 – nederlandsk" lang="nl" hreflang="nl" data-title="Natrium" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" 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 – nynorsk" lang="nn" hreflang="nn" data-title="Natrium" data-language-autonym="Norsk nynorsk" data-language-local-name="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 – bokmål" lang="nb" hreflang="nb" data-title="Natrium" data-language-autonym="Norsk bokmål" data-language-local-name="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 – navajo" lang="nv" hreflang="nv" data-title="Soodin" data-language-autonym="Diné bizaad" data-language-local-name="navajo" 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 – occitansk" lang="oc" hreflang="oc" data-title="Sòdi" data-language-autonym="Occitan" data-language-local-name="occitansk" 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 – ossetisk" lang="os" hreflang="os" data-title="Натрий" data-language-autonym="Ирон" data-language-local-name="ossetisk" 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 – punjabisk" lang="pa" hreflang="pa" data-title="ਸੋਡੀਅਮ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabisk" 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 – polsk" lang="pl" hreflang="pl" data-title="Sód" data-language-autonym="Polski" data-language-local-name="polsk" 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 – Piedmontese" lang="pms" hreflang="pms" data-title="Sòdio" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" 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 – Pontic" lang="pnt" hreflang="pnt" data-title="Νάτριον" data-language-autonym="Ποντιακά" data-language-local-name="Pontic" 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 – pashto" lang="ps" hreflang="ps" data-title="سوډيوم" data-language-autonym="پښتو" data-language-local-name="pashto" 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 – portugisisk" lang="pt" hreflang="pt" data-title="Sódio" data-language-autonym="Português" data-language-local-name="portugisisk" 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 – quechua" lang="qu" hreflang="qu" data-title="Natriyu" data-language-autonym="Runa Simi" data-language-local-name="quechua" 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 – rumænsk" lang="ro" hreflang="ro" data-title="Sodiu" data-language-autonym="Română" data-language-local-name="rumænsk" 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 – arumænsk" lang="rup" hreflang="rup" data-title="Natriu" data-language-autonym="Armãneashti" data-language-local-name="arumænsk" 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 – russisk" lang="ru" hreflang="ru" data-title="Натрий" data-language-autonym="Русский" data-language-local-name="russisk" 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 – sanskrit" lang="sa" hreflang="sa" data-title="सोडियम" data-language-autonym="संस्कृतम्" data-language-local-name="sanskrit" 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 – jakutisk" lang="sah" hreflang="sah" data-title="Натрий" data-language-autonym="Саха тыла" data-language-local-name="jakutisk" 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 – sardinsk" lang="sc" hreflang="sc" data-title="Sòdiu" data-language-autonym="Sardu" data-language-local-name="sardinsk" 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 – siciliansk" lang="scn" hreflang="scn" data-title="Sodiu" data-language-autonym="Sicilianu" data-language-local-name="siciliansk" 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 – skotsk" lang="sco" hreflang="sco" data-title="Sodium" data-language-autonym="Scots" data-language-local-name="skotsk" 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 – sindhi" lang="sd" hreflang="sd" data-title="سوڊيئم" data-language-autonym="سنڌي" data-language-local-name="sindhi" 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 – serbokroatisk" lang="sh" hreflang="sh" data-title="Natrij" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatisk" 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 – singalesisk" lang="si" hreflang="si" data-title="සෝඩියම්" data-language-autonym="සිංහල" data-language-local-name="singalesisk" 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 – slovakisk" lang="sk" hreflang="sk" data-title="Sodík" data-language-autonym="Slovenčina" data-language-local-name="slovakisk" 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 – slovensk" lang="sl" hreflang="sl" data-title="Natrij" data-language-autonym="Slovenščina" data-language-local-name="slovensk" 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 – albansk" lang="sq" hreflang="sq" data-title="Natriumi" data-language-autonym="Shqip" data-language-local-name="albansk" 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 – serbisk" lang="sr" hreflang="sr" data-title="Натријум" data-language-autonym="Српски / srpski" data-language-local-name="serbisk" 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 – sundanesisk" lang="su" hreflang="su" data-title="Natrium" data-language-autonym="Sunda" data-language-local-name="sundanesisk" 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 – svensk" lang="sv" hreflang="sv" data-title="Natrium" data-language-autonym="Svenska" data-language-local-name="svensk" 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 – swahili" lang="sw" hreflang="sw" data-title="Natiri" data-language-autonym="Kiswahili" data-language-local-name="swahili" 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 – tamil" lang="ta" hreflang="ta" data-title="சோடியம்" data-language-autonym="தமிழ்" data-language-local-name="tamil" 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 – tadsjikisk" lang="tg" hreflang="tg" data-title="Натрий" data-language-autonym="Тоҷикӣ" data-language-local-name="tadsjikisk" 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 – thai" lang="th" hreflang="th" data-title="โซเดียม" data-language-autonym="ไทย" data-language-local-name="thai" 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 – tagalog" lang="tl" hreflang="tl" data-title="Sodyo" data-language-autonym="Tagalog" data-language-local-name="tagalog" 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 – tyrkisk" lang="tr" hreflang="tr" data-title="Sodyum" data-language-autonym="Türkçe" data-language-local-name="tyrkisk" 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 – tatarisk" lang="tt" hreflang="tt" data-title="Натрий" data-language-autonym="Татарча / tatarça" data-language-local-name="tatarisk" 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 – uygurisk" lang="ug" hreflang="ug" data-title="ناترىي" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="uygurisk" 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 – ukrainsk" lang="uk" hreflang="uk" data-title="Натрій" data-language-autonym="Українська" data-language-local-name="ukrainsk" 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 – urdu" lang="ur" hreflang="ur" data-title="سوڈیم" data-language-autonym="اردو" data-language-local-name="urdu" 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 – usbekisk" lang="uz" hreflang="uz" data-title="Natriy" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbekisk" 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 – Veps" lang="vep" hreflang="vep" data-title="Natrii" data-language-autonym="Vepsän kel’" data-language-local-name="Veps" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi badge-Q17437798 badge-goodarticle mw-list-item" title="god artikel"><a href="https://vi.wikipedia.org/wiki/Natri" title="Natri – vietnamesisk" lang="vi" hreflang="vi" data-title="Natri" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesisk" 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 – volapyk" lang="vo" hreflang="vo" data-title="Natrin" data-language-autonym="Volapük" data-language-local-name="volapyk" 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 – vallonsk" lang="wa" hreflang="wa" data-title="Sodiom" data-language-autonym="Walon" data-language-local-name="vallonsk" 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 – wu-kinesisk" lang="wuu" hreflang="wuu" data-title="钠" data-language-autonym="吴语" data-language-local-name="wu-kinesisk" 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 – kalmyk" lang="xal" hreflang="xal" data-title="Натрион" data-language-autonym="Хальмг" data-language-local-name="kalmyk" 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 – jiddisch" lang="yi" hreflang="yi" data-title="נאטריום" data-language-autonym="ייִדיש" data-language-local-name="jiddisch" 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 – yoruba" lang="yo" hreflang="yo" data-title="Sódíọ̀mù" data-language-autonym="Yorùbá" data-language-local-name="yoruba" 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 – tamazight" lang="zgh" hreflang="zgh" data-title="ⴰⵚⵓⴹⵢⵓⵎ" data-language-autonym="ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ" data-language-local-name="tamazight" 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 – kinesisk" lang="zh" hreflang="zh" data-title="钠" data-language-autonym="中文" data-language-local-name="kinesisk" 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 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="鈉" data-language-autonym="文言" data-language-local-name="Literary Chinese" 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 – min-kinesisk" lang="nan" hreflang="nan" data-title="Natrium" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min-kinesisk" 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 – kantonesisk" lang="yue" hreflang="yue" data-title="鈉" data-language-autonym="粵語" data-language-local-name="kantonesisk" class="interlanguage-link-target"><span>粵語</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="Redigér sproglinks" class="wbc-editpage">Redigér links</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="Navnerum"> <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/Natrium" title="Se indholdssiden [c]" accesskey="c"><span>Artikel</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Diskussion:Natrium&amp;action=edit&amp;redlink=1" rel="discussion" class="new" title="Diskussion om indholdet på siden (ikke skrevet endnu) [t]" accesskey="t"><span>Diskussion</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="Ændr sprogvariant" > <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">dansk</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="Visninger"> <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/Natrium"><span>Læs</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Natrium&amp;veaction=edit" title="Redigér denne side [v]" accesskey="v"><span>Redigér</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Natrium&amp;action=edit" title="Rediger kildekoden for denne side [e]" accesskey="e"><span>Rediger kildekode</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Natrium&amp;action=history" title="Tidligere versioner af denne side [h]" accesskey="h"><span>Se historik</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Sideværktøjer"> <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="Værktøjer" > <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">Værktøjer</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">Værktøjer</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">flyt til sidebjælken</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">skjul</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Flere muligheder" > <div class="vector-menu-heading"> Handlinger </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/Natrium"><span>Læs</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Natrium&amp;veaction=edit" title="Redigér denne side [v]" accesskey="v"><span>Redigér</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Natrium&amp;action=edit" title="Rediger kildekoden for denne side [e]" accesskey="e"><span>Rediger kildekode</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Natrium&amp;action=history"><span>Se historik</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Generelt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Speciel:Hvad_linker_hertil/Natrium" title="Liste med alle sider som henviser hertil [j]" accesskey="j"><span>Hvad henviser hertil</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Speciel:Relaterede_%C3%A6ndringer/Natrium" rel="nofollow" title="Seneste ændringer af sider som denne side henviser til [k]" accesskey="k"><span>Beslægtede ændringer</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=da&amp;campaign=dk" title="Upload filer [u]" accesskey="u"><span>Upload fil</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Speciel:Specialsider" title="Liste over alle specialsider [q]" accesskey="q"><span>Specialsider</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Natrium&amp;oldid=11907960" title="Permanent link til denne version af denne side"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Natrium&amp;action=info" title="Yderligere oplysninger om denne side"><span>Sideinformation</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Speciel:Citer&amp;page=Natrium&amp;id=11907960&amp;wpFormIdentifier=titleform" title="Information om, hvordan man kan citere denne side"><span>Referer til denne side</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Speciel:UrlShortener&amp;url=https%3A%2F%2Fda.wikipedia.org%2Fwiki%2FNatrium"><span>Hent forkortet URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Speciel:QrCode&amp;url=https%3A%2F%2Fda.wikipedia.org%2Fwiki%2FNatrium"><span>Download QR-kode</span></a></li> </ul> </div> </div> <div id="p-Organisation" class="vector-menu mw-portlet mw-portlet-Organisation" > <div class="vector-menu-heading"> Organisation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-contact" class="mw-list-item"><a href="/wiki/Wikipedia:Kontakt_Wikipedia"><span>Kontakt Wikipedia</span></a></li><li id="n-Wikimedia-Danmark" class="mw-list-item"><a href="https://dk.wikimedia.org/wiki/"><span>Wikimedia Danmark</span></a></li><li id="n-GLAM" class="mw-list-item"><a href="/wiki/Wikipedia:GLAM"><span>GLAM</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"> Udskriv/eksportér </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=Speciel:Bog&amp;bookcmd=book_creator&amp;referer=Natrium"><span>Lav en bog</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Speciel:DownloadAsPdf&amp;page=Natrium&amp;action=show-download-screen"><span>Download som PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Natrium&amp;printable=yes" title="Printervenlig udgave af denne side [p]" accesskey="p"><span>Udskriftsvenlig udgave</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"> I andre projekter </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>Wikimedia 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="Link til tilknyttet emne i Wikidata [g]" accesskey="g"><span>Wikidata-element</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="Sideværktøjer"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Udseende"> <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" 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dir="ltr"><style data-mw-deduplicate="TemplateStyles:r11833479">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}.mw-parser-output .infobox{width:22em}.mw-parser-output .infobox-header,.mw-parser-output .infobox-label,.mw-parser-output .infobox-above,.mw-parser-output .infobox-full-data,.mw-parser-output .infobox-data,.mw-parser-output .infobox-below,.mw-parser-output .infobox-subheader,.mw-parser-output .infobox-image,.mw-parser-output .infobox-navbar{vertical-align:top}.mw-parser-output .infobox-label,.mw-parser-output .infobox-data{text-align:left}.mw-parser-output .infobox .infobox-above,.mw-parser-output .infobox .infobox-title{font-size:125%;font-weight:bold;text-align:center}.mw-parser-output .infobox-title{padding:0.2em}.mw-parser-output .infobox .infobox-header,.mw-parser-output .infobox .infobox-subheader,.mw-parser-output .infobox .infobox-image,.mw-parser-output .infobox .infobox-full-data,.mw-parser-output .infobox .infobox-below{text-align:center}.mw-parser-output .infobox .infobox-navbar{text-align:right}body.skin-minerva .mw-parser-output .infobox-header,body.skin-minerva .mw-parser-output .infobox-subheader,body.skin-minerva .mw-parser-output .infobox-above,body.skin-minerva .mw-parser-output .infobox-title,body.skin-minerva .mw-parser-output .infobox-image,body.skin-minerva .mw-parser-output .infobox-full-data,body.skin-minerva .mw-parser-output .infobox-below{text-align:center}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data div{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data div{background:#1f1f23!important;color:#f8f9fa}}</style><table class="infobox"><tbody><tr><th colspan="2" class="infobox-above" style="background-color:#AED1DB;">Natrium</th></tr><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/Fil:Na_(Sodium).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/Na_%28Sodium%29.jpg/250px-Na_%28Sodium%29.jpg" decoding="async" width="250" height="188" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/Na_%28Sodium%29.jpg/375px-Na_%28Sodium%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/27/Na_%28Sodium%29.jpg/500px-Na_%28Sodium%29.jpg 2x" data-file-width="4000" data-file-height="3000" /></a></span><div class="infobox-caption">Sølvhvidt skinnende metal</div></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#AED1DB;"><a href="/wiki/Periodiske_system" title="Periodiske system">Periodiske system</a></th></tr><tr><td colspan="2" class="infobox-full-data"><center> <table border="0" cellpadding="0" cellspacing="1" style="text-align:center; empty-cells:show; border-collapse:separate"> <tbody><tr> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LimeGreen;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Brint" title="Brint"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 1: Hydrogen (H), Ikke-metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0" colspan="30"> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightskyBlue;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Helium" title="Helium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 2: Helium (He), Ædelgas">&#160; &#160;</span></a></div> </div> </td></tr> <tr> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:OrangeRed;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Lithium" title="Lithium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 3: Lithium (Li), Alkalimetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:DarkOrange;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Beryllium" title="Beryllium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 4: Beryllium (Be), Jordalkalimetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0" colspan="24"> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Peru;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Bor_(grundstof)" title="Bor (grundstof)"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 5: Bor (B), Halvmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LimeGreen;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Carbon" title="Carbon"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 6: Carbon (C), Ikke-metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LimeGreen;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Kv%C3%A6lstof" title="Kvælstof"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 7: Nitrogen (N), Ikke-metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LimeGreen;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Ilt" title="Ilt"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 8: Oxygen (O), Ikke-metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Khaki;"><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="Grundstof 9: Fluor (F), Halogen">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightskyBlue;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Neon" title="Neon"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 10: Neon (Ne), Ædelgas">&#160; &#160;</span></a></div> </div> </td></tr> <tr> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:OrangeRed; 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="Grundstof 11: Natrium (Na), Alkalimetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:DarkOrange;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Magnesium" title="Magnesium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 12: Magnesium (Mg), Jordalkalimetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0" colspan="24"> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:DarkGray;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Aluminium" title="Aluminium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 13: Aluminium (Al), Metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Peru;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Silicium" title="Silicium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 14: Silicium (Si), Halvmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LimeGreen;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Fosfor" title="Fosfor"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 15: Phosphor (P), Ikke-metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LimeGreen;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Svovl" title="Svovl"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 16: Svovl (S), Ikke-metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Khaki;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Klor" title="Klor"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 17: Chlor (Cl), Halogen">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightskyBlue;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Argon" title="Argon"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 18: Argon (Ar), Ædelgas">&#160; &#160;</span></a></div> </div> </td></tr> <tr> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:OrangeRed;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Kalium" title="Kalium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 19: Kalium (K), Alkalimetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:DarkOrange;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Calcium" title="Calcium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 20: Calcium (Ca), Jordalkalimetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Scandium" title="Scandium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 21: Scandium (Sc), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0" colspan="14"> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Titan_(grundstof)" title="Titan (grundstof)"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 22: Titan (Ti), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Vanadium" title="Vanadium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 23: Vanadium (V), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Krom" title="Krom"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 24: Chrom (Cr), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Mangan" title="Mangan"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 25: Mangan (Mn), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Jern" title="Jern"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 26: Jern (Fe), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Kobolt" title="Kobolt"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 27: Cobalt (Co), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Nikkel" title="Nikkel"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 28: Nikkel (Ni), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Kobber" title="Kobber"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 29: Kobber (Cu), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Zink" title="Zink"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 30: Zink (Zn), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:DarkGray;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Gallium" title="Gallium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 31: Gallium (Ga), Metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Peru;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Germanium" title="Germanium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 32: Germanium (Ge), Halvmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Peru;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Arsen" title="Arsen"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 33: Arsen (As), Halvmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LimeGreen;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Selen" title="Selen"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 34: Selen (Se), Ikke-metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Khaki;"><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="Grundstof 35: Brom (Br), Halogen">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightskyBlue;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Krypton" title="Krypton"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 36: Krypton (Kr), Ædelgas">&#160; &#160;</span></a></div> </div> </td></tr> <tr> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:OrangeRed;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Rubidium" title="Rubidium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 37: Rubidium (Rb), Alkalimetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:DarkOrange;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Strontium" title="Strontium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 38: Strontium (Sr), Jordalkalimetal">&#160; 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style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Polonium" title="Polonium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 84: Polonium (Po), Metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Khaki;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Astat" title="Astat"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 85: Astat (At), Halogen">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightskyBlue;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Radon" title="Radon"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 86: Radon (Rn), Ædelgas">&#160; &#160;</span></a></div> </div> </td></tr> <tr> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:OrangeRed;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Francium" title="Francium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 87: Francium (Fr), Alkalimetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:DarkOrange;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Radium" title="Radium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 88: Radium (Ra), 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overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Protactinium" title="Protactinium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 91: Protactinium (Pa), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Uran" title="Uran"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 92: Uran (U), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Neptunium" title="Neptunium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 93: Neptunium (Np), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Plutonium" title="Plutonium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 94: Plutonium (Pu), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Americium" title="Americium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 95: Americium (Am), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Curium" title="Curium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 96: Curium (Cm), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Berkelium" title="Berkelium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 97: Berkelium (Bk), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Californium" title="Californium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 98: Californium (Cf), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Einsteinium" title="Einsteinium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 99: Einsteinium (Es), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Fermium" title="Fermium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 100: Fermium (Fm), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Mendelevium" title="Mendelevium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 101: Mendelevium (Md), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Nobelium" title="Nobelium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 102: Nobelium (No), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Orchid;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Lawrencium" title="Lawrencium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 103: Lawrencium (Lr), Actinid">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Rutherfordium" title="Rutherfordium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 104: Rutherfordium (Rf), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Dubnium" title="Dubnium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 105: Dubnium (Db), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Seaborgium" title="Seaborgium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 106: Seaborgium (Sg), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Bohrium" title="Bohrium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 107: Bohrium (Bh), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Hassium" title="Hassium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 108: Hassium (Hs), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Meitnerium" title="Meitnerium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 109: Meitnerium (Mt), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Darmstadtium" title="Darmstadtium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 110: Darmstadtium (Ds), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/R%C3%B8ntgenium" title="Røntgenium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 111: Røntgenium (Rg), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightCoral;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Copernicium" title="Copernicium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 112: Copernicium (Cn), Overgangsmetal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:DarkGray;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Nihonium" title="Nihonium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 113: Nihonium (Nh), Metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:DarkGray;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Flerovium" title="Flerovium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 114: Flerovium (Fl), Metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:DarkGray;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Moscovium" title="Moscovium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 115: Moscovium (Mc), Metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:DarkGray;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Livermorium" title="Livermorium"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 116: Livermorium (Lv), Metal">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:Gainsboro;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Tennessin" title="Tennessin"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 117: Tennessin (Ts)">&#160; &#160;</span></a></div> </div> </td> <td style="padding:0"><div style="position:relative; overflow:hidden; width:7px; height:9px; z-index:2; background-color:LightskyBlue;"><div style="position:absolute; top:0; left:0; z-index:3"><a href="/wiki/Oganesson" title="Oganesson"><span style="float:left; width:7px; height:9px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Grundstof 118: Oganesson (Og), Ædelgas">&#160; &#160;</span></a></div> </div> </td></tr></tbody></table></center></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#AED1DB;">Generelt</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Atomtegn" title="Atomtegn">Atomtegn</a></th><td class="infobox-data">Na</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Atomnummer" title="Atomnummer">Atomnummer</a></th><td class="infobox-data">11</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Elektronkonfiguration" title="Elektronkonfiguration">Elektronkonfiguration</a></th><td class="infobox-data">2,8,1 <span typeof="mw:File"><a href="/wiki/Fil:Elektronskal_11.svg" class="mw-file-description" title="Elektroner i hver skal: 2,8,1. Klik for større billede."><img alt="Elektroner i hver skal: 2,8,1. Klik for større billede." src="//upload.wikimedia.org/wikipedia/commons/thumb/3/31/Elektronskal_11.svg/20px-Elektronskal_11.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/31/Elektronskal_11.svg/30px-Elektronskal_11.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/31/Elektronskal_11.svg/40px-Elektronskal_11.svg.png 2x" data-file-width="500" data-file-height="500" /></a></span></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Gruppe_(periodiske_system)" title="Gruppe (periodiske system)">Gruppe</a></th><td class="infobox-data"><a href="/wiki/1_(tal)" title="1 (tal)">1</a> (<a href="/wiki/Alkalimetal" title="Alkalimetal">Alkalimetal</a>)</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Periode_(periodiske_system)" title="Periode (periodiske system)">Periode</a></th><td class="infobox-data"><a href="/wiki/3_(tal)" title="3 (tal)">3</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Blok_(periodiske_system)" title="Blok (periodiske system)">Blok</a></th><td class="infobox-data"><a href="/wiki/S-blok" class="mw-redirect" title="S-blok">s</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/CAS-nummer" title="CAS-nummer">CAS-nummer</a></th><td class="infobox-data">7440-23-5 <span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q658#P231" title="Rediger på Wikidata"><img alt="Rediger på Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/5px-Blue_pencil.svg.png" decoding="async" width="5" height="5" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/8px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/PubChem" title="PubChem">PubChem</a></th><td class="infobox-data">5360545 <span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q658#P662" title="Rediger på Wikidata"><img alt="Rediger på Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/5px-Blue_pencil.svg.png" decoding="async" width="5" height="5" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/8px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#AED1DB;">Atomare egenskaber</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Atommasse" title="Atommasse">Atommasse</a></th><td class="infobox-data">22,98976928(2)</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Kovalent_radius" title="Kovalent radius">Kovalent radius</a></th><td class="infobox-data">154 <a href="/wiki/Pikometer" class="mw-redirect" title="Pikometer">pm</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Van_der_Waals-radius" title="Van der Waals-radius">Van der Waals-radius</a></th><td class="infobox-data">227 <a href="/wiki/Pikometer" class="mw-redirect" title="Pikometer">pm</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Elektronkonfiguration" title="Elektronkonfiguration">Elektronkonfiguration</a></th><td class="infobox-data">&#91;<a href="/wiki/Neon" title="Neon">Ne</a>&#93; 3s<sup>1</sup></td></tr><tr><th scope="row" class="infobox-label">Elektroner i hver skal</th><td class="infobox-data">2,8,1</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#AED1DB;"><a href="/wiki/Kemisk_egenskab" title="Kemisk egenskab">Kemiske egenskaber</a></th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Oxidationstrin" title="Oxidationstrin">Oxidationstrin</a></th><td class="infobox-data">1</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Elektronegativitet" title="Elektronegativitet">Elektronegativitet</a></th><td class="infobox-data">0,93 (Paulings skala)</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#AED1DB;"><a href="/wiki/Fysisk_egenskab" title="Fysisk egenskab">Fysiske egenskaber</a></th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Tilstandsform" class="mw-redirect" title="Tilstandsform">Tilstandsform</a></th><td class="infobox-data"><a href="/wiki/Fast_form" title="Fast form">Fast</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Krystalstruktur" title="Krystalstruktur">Krystalstruktur</a></th><td class="infobox-data"><a href="/wiki/Kubisk_rumcentreret" class="mw-redirect" title="Kubisk rumcentreret">Kubisk rumcentreret</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Massefylde" title="Massefylde">Massefylde</a> (fast stof)</th><td class="infobox-data">0,968 g/cm<sup>3</sup></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Massefylde" title="Massefylde">Massefylde</a> (væske)</th><td class="infobox-data">0,927 g/cm<sup>3</sup></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Smeltepunkt" title="Smeltepunkt">Smeltepunkt</a></th><td class="infobox-data">97,72 °C</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Kogepunkt" title="Kogepunkt">Kogepunkt</a></th><td class="infobox-data">883 °C</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Kritisk_punkt" title="Kritisk punkt">Kritisk punkt</a></th><td class="infobox-data">(Ekstrapoleret)<br />2400&#160;°C, 35 MPa</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Smeltevarme" title="Smeltevarme">Smeltevarme</a></th><td class="infobox-data">2,60 <a href="/wiki/Joule" title="Joule">kJ</a>/mol</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Fordampningsvarme" title="Fordampningsvarme">Fordampningsvarme</a></th><td class="infobox-data">97,42 kJ/mol</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Varmefylde" class="mw-redirect" title="Varmefylde">Varmefylde</a></th><td class="infobox-data">(25&#160;°C) 28,230 J/K·mol</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Varmeledningsevne" class="mw-redirect" title="Varmeledningsevne">Varmeledningsevne</a></th><td class="infobox-data">142 W·m<sup>–1</sup>K<sup>–1</sup></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Varmeudvidelseskoefficient" title="Varmeudvidelseskoefficient">Varmeudvidelseskoeff.</a></th><td class="infobox-data">71 µm/(m·K)</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Elektrisk_resistivitet" title="Elektrisk resistivitet">Elektrisk resistivitet</a></th><td class="infobox-data">27,7 n<a href="/wiki/Ohm" title="Ohm">Ω</a>·m</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Magnetiske_egenskaber" class="mw-redirect" title="Magnetiske egenskaber">Magnetiske egenskaber</a></th><td class="infobox-data"><a href="/wiki/Paramagnetisme" title="Paramagnetisme">Paramagnetisk</a></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#AED1DB;">Mekaniske egenskaber</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Youngs_modul" title="Youngs modul">Youngs modul</a></th><td class="infobox-data">10 GPa</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Forskydningsmodul" title="Forskydningsmodul">Forskydningsmodul</a></th><td class="infobox-data">3,3 GPa</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Kompressibilitetsmodul" title="Kompressibilitetsmodul">Kompressibilitetsmodul</a></th><td class="infobox-data">6,3 GPa</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/H%C3%A5rdhed_(metal)" title="Hårdhed (metal)">Hårdhed</a> (<a href="/wiki/Mohs%27_skala" title="Mohs&#39; skala">Mohs' skala</a>)</th><td class="infobox-data">0,5</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/H%C3%A5rdhed_(metal)" title="Hårdhed (metal)">Hårdhed</a> (Brinell)</th><td class="infobox-data">0,69 MPa</td></tr><tr><td colspan="2" class="infobox-below" style="border-top: 1px solid #aaa; line-height: 1.5em"><small><small>Information med symbolet <span class="mw-valign-text-top" typeof="mw:File/Frameless"><span><img alt="Billede af blyant" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/8px-Blue_pencil.svg.png" decoding="async" width="8" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/12px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/16px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" 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.navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-vis"><a href="/wiki/Skabelon:Infoboks_grundstof" title="Skabelon:Infoboks grundstof"><abbr title="Se denne skabelon">v</abbr></a></li><li class="nv-diskussion"><a href="/wiki/Skabelondiskussion:Infoboks_grundstof" title="Skabelondiskussion:Infoboks grundstof"><abbr title="Diskuter denne skabelon">d</abbr></a></li><li class="nv-rediger"><a href="/wiki/Speciel:EditPage/Skabelon:Infoboks_grundstof" title="Speciel:EditPage/Skabelon:Infoboks grundstof"><abbr title="Rediger denne skabelon">r</abbr></a></li></ul></div></td></tr></tbody></table> <p><b>Natrium</b> (af <a href="/wiki/%C3%86gyptisk" class="mw-redirect" title="Ægyptisk">ægyptisk</a> <i>netjer</i> og <a href="/wiki/Arabisk_(sprog)" title="Arabisk (sprog)">arabisk</a> <i>natrun</i> der begge betyder <a href="/wiki/Natron" title="Natron">natron</a>; natrium er hovedbestanddelen i natron) er det <a href="/wiki/11_(tal)" title="11 (tal)">11</a>. <a href="/wiki/Grundstof" title="Grundstof">grundstof</a> i det <a href="/wiki/Periodiske_system" title="Periodiske system">periodiske system</a> og har det <a href="/wiki/Kemisk_symbol" class="mw-redirect" title="Kemisk symbol">kemiske symbol</a> <b>Na</b>. Under normale <a href="/wiki/Temperatur" title="Temperatur">temperatur</a>- og <a href="/wiki/Tryk_(fysik)" title="Tryk (fysik)">trykforhold</a> optræder natrium som et blødt, sølvskinnende og kemisk meget reaktionsvilligt <a href="/wiki/Metal" title="Metal">metal</a>, som iltes ("ruster") hurtigt ved kontakt med <a href="/wiki/Atmosf%C3%A6risk_luft" class="mw-redirect" title="Atmosfærisk luft">atmosfærisk luft</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Natriums_kemi">Natriums kemi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Natrium&amp;veaction=edit&amp;section=1" title="Redigér afsnit: Natriums kemi" class="mw-editsection-visualeditor"><span>redigér</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Natrium&amp;action=edit&amp;section=1" title="Edit section&#039;s source code: Natriums kemi"><span>rediger kildetekst</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fil:Flammenf%C3%A4rbungNa.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Flammenf%C3%A4rbungNa.png/100px-Flammenf%C3%A4rbungNa.png" decoding="async" width="100" height="297" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Flammenf%C3%A4rbungNa.png/150px-Flammenf%C3%A4rbungNa.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Flammenf%C3%A4rbungNa.png/200px-Flammenf%C3%A4rbungNa.png 2x" data-file-width="486" data-file-height="1443" /></a><figcaption>Natrium brænder med en karakteristisk stærkt gul flamme.</figcaption></figure> <p>Som de øvrige <a href="/wiki/Alkalimetal" title="Alkalimetal">alkalimetaller</a> har natriumatomet én enkelt <a href="/wiki/Elektron" title="Elektron">elektron</a> i sin yderste <a href="/wiki/Elektronskal" title="Elektronskal">elektronskal</a>. Da atomer generelt "foretrækker" at have deres yderste elektronskal fyldt op med elektroner ligesom <a href="/wiki/%C3%86delgas" title="Ædelgas">ædelgasserne</a>, vil alkalimetallerne som natrium meget gerne slippe af med denne ene elektron i den yderste skal. </p><p>Natrium reagerer med luftens <a href="/wiki/Ilt" title="Ilt">ilt</a> under dannelse af enten <a href="/w/index.php?title=Natriumperoxid&amp;action=edit&amp;redlink=1" class="new" title="Natriumperoxid (ikke skrevet endnu)">natriumperoxid</a>; Na<sub>2</sub>O<sub>2</sub>, eller når der er begrænsede mængder af ilt til rådighed natriumoxid; Na<sub>2</sub>O. Som andre alkalimetaller reagerer natrium med <a href="/wiki/Vand" title="Vand">vand</a> under dannelse af <a href="/wiki/Gas" title="Gas">gasformig</a> <a href="/wiki/Brint" title="Brint">brint</a> og et <a href="/wiki/Basisk" class="mw-redirect" title="Basisk">basisk</a> <a href="/wiki/Hydroxid" title="Hydroxid">hydroxid</a>; <a href="/wiki/Natriumhydroxid" title="Natriumhydroxid">natriumhydroxid</a> (NaOH): <a href="/wiki/%C3%86rt" title="Ært">Ært</a>-store natriumstykker lægger sig i vandoverfladen og "bruser" indtil natriumet i dem er omdannet til natriumhydroxid opløst i vandet, mens større stykker natrium udvikler varme nok til at antænde den frigjorte brint og udløse en eksplosion. </p> <div class="mw-heading mw-heading2"><h2 id="Tekniske_anvendelser">Tekniske anvendelser</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Natrium&amp;veaction=edit&amp;section=2" title="Redigér afsnit: Tekniske anvendelser" class="mw-editsection-visualeditor"><span>redigér</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Natrium&amp;action=edit&amp;section=2" title="Edit section&#039;s source code: Tekniske anvendelser"><span>rediger kildetekst</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Natrium kan bruges til at udvinde andre reaktive metaller som <a href="/wiki/Kalium" title="Kalium">kalium</a> og <a href="/wiki/Zirkonium" class="mw-redirect" title="Zirkonium">zirkonium</a> i ren form fra deres kemiske forbindelser. Natrium tilsættes visse <a href="/wiki/Legering_(metal)" class="mw-redirect" title="Legering (metal)">legeringer</a> for at forbedre legeringens egenskaber og bruges til at rense smeltede metaller. Både rent natrium samt natriumklorid bruges i smeltet form som kølemiddel i bl.a. visse typer <a href="/wiki/Atomreaktor" class="mw-redirect" title="Atomreaktor">atomreaktorer</a>. </p><p>Natrium indgår sammen med <a href="/wiki/Fedtsyre" title="Fedtsyre">fedtsyrer</a> i fremstillingen af <a href="/wiki/S%C3%A6be" title="Sæbe">sæbe</a>: Sæber lavet med natrium frem for kalium har et højere smeltepunkt og er derfor mere faste i konsistensen. </p><p>I <a href="/w/index.php?title=Natriumlampe&amp;action=edit&amp;redlink=1" class="new" title="Natriumlampe (ikke skrevet endnu)">natriumlamper</a>, der ofte bruges til <a href="/w/index.php?title=Gadelygter&amp;action=edit&amp;redlink=1" class="new" title="Gadelygter (ikke skrevet endnu)">gadelygter</a>, er lyskilden natrium i gasform; de kendes på deres udpræget <a href="/wiki/Orange" title="Orange">orange</a> eller <a href="/wiki/Gul" title="Gul">gule</a> <a href="/wiki/Lys" title="Lys">lys</a>. Lyset fra lavtryks-natriumlamper har en ren, "varm" gul farve, mens højtryks-natriumlamper har et mere "kobber-" eller "fersken-farvet" lys. Den gule farve skyldes de kraftige <a href="/w/index.php?title=Natriums_D-linjer&amp;action=edit&amp;redlink=1" class="new" title="Natriums D-linjer (ikke skrevet endnu)">D-linjer</a> i natriums <a href="/wiki/Spektroskopi" title="Spektroskopi">spektrum</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Forekomst_og_udvinding">Forekomst og udvinding</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Natrium&amp;veaction=edit&amp;section=3" title="Redigér afsnit: Forekomst og udvinding" class="mw-editsection-visualeditor"><span>redigér</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Natrium&amp;action=edit&amp;section=3" title="Edit section&#039;s source code: Forekomst og udvinding"><span>rediger kildetekst</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>På grund af stoffets reaktionsvillighed findes natrium aldrig et rent, "frit" metal i naturen, men altid i <a href="/wiki/Kemisk_forbindelse" title="Kemisk forbindelse">kemiske forbindelser</a> med andre stoffer som <a href="/wiki/Salt_(kemi)" title="Salt (kemi)">salte</a>. Natrium udgør 2,6% af <a href="/wiki/Jorden" title="Jorden">Jordens</a> skorpe og indtager en sjetteplads på listen over de mest udbredte grundstoffer i <a href="/wiki/Jorden" title="Jorden">Jordens</a> skorpe. Det skyldes især vandet i verdens <a href="/wiki/Hav" title="Hav">have</a>, der indeholder 2,7% <a href="/wiki/Natriumklorid" title="Natriumklorid">natriumklorid</a> efter vægt. </p><p>Frit natrium fremstilles ved <a href="/wiki/Elektrolyse" title="Elektrolyse">elektrolyse</a> af flydende <a href="/wiki/Natriumklorid" title="Natriumklorid">natriumklorid</a>: I denne proces tilsætter man <a href="/wiki/Kalciumklorid" title="Kalciumklorid">kalciumklorid</a> for at sænke blandingens smeltepunkt til under 700°<a href="/wiki/Celsius" title="Celsius">C</a> – da natrium er mere <a href="/wiki/Elektronegativitet" title="Elektronegativitet">elektronegativt</a> end <a href="/wiki/Kalium" title="Kalium">kalium</a>, er det alene natrium der udfældes ved <a href="/wiki/Katode" title="Katode">katoden</a>. Tidligere udvandt man natrium ved elektrolyse af <a href="/wiki/Natriumhydroxid" title="Natriumhydroxid">natriumhydroxid</a>, men det er billigere at udvinde det fra natriumklorid. </p><p>I <a href="/wiki/1997" title="1997">1997</a> kostede natrium i metallisk form mellem 30 og 45 <a href="/wiki/Amerikanske_cent" class="mw-redirect" title="Amerikanske cent">amerikanske cent</a> pr. <a href="/wiki/Kilogram" title="Kilogram">kilogram</a>. I den renhed, man bruger i kemilaboratorier, er prisen meget højere; i <a href="/wiki/1990" title="1990">1990</a> kostede natrium i "reagens-kvalitet" omkring 75 amerikanske dollar pr. <a href="/wiki/Kilogram" title="Kilogram">kilogram</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Historie">Historie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Natrium&amp;veaction=edit&amp;section=4" title="Redigér afsnit: Historie" class="mw-editsection-visualeditor"><span>redigér</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Natrium&amp;action=edit&amp;section=4" title="Edit section&#039;s source code: Historie"><span>rediger kildetekst</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Man har længe kendt til natrium fra de kemiske forbindelser, det indgår i, men det var først i <a href="/wiki/1807" title="1807">1807</a> at det lykkedes sir <a href="/wiki/Humphry_Davy" title="Humphry Davy">Humphry Davy</a> at isolere rent metallisk natrium ved elektrolyse af smeltet natriumhydroxid. Han brugte en <a href="/wiki/Voltas%C3%B8jle" title="Voltasøjle">voltasøjle</a> som strømkilde i sit forsøg. </p> <div class="mw-heading mw-heading2"><h2 id="Natrium_i_biologien">Natrium i biologien</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Natrium&amp;veaction=edit&amp;section=5" title="Redigér afsnit: Natrium i biologien" class="mw-editsection-visualeditor"><span>redigér</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Natrium&amp;action=edit&amp;section=5" title="Edit section&#039;s source code: Natrium i biologien"><span>rediger kildetekst</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Mens natriumioner spiller en afgørende rolle i <a href="/wiki/Dyr" title="Dyr">dyr</a> (i <a href="/wiki/Blod" title="Blod">blod</a> og andre <a href="/w/index.php?title=Kropsv%C3%A6ske&amp;action=edit&amp;redlink=1" class="new" title="Kropsvæske (ikke skrevet endnu)">kropsvæsker</a> for overførslen af nerveimpulser), i <a href="/wiki/Hjerte_(organ)" class="mw-redirect" title="Hjerte (organ)">hjertets</a> funktion og visse processer i <a href="/wiki/Stofskifte" title="Stofskifte">stofskiftet</a>), kan <a href="/wiki/Plante" class="mw-redirect" title="Plante">planter</a> helt undvære natriumioner. "Ren" <a href="/wiki/Vegetar" class="mw-redirect" title="Vegetar">vegetar</a>-kost er derfor fattig på salt, og mange planteædende dyr må derfor skaffe de fornødne natriumsalte fra andre kilder, typisk ved at spise eller slikke på <a href="/wiki/Mineral" title="Mineral">mineralsten</a>, der indeholder natrium. </p><p>Behovet for salt er muligvis grunden til en veludviklet evne til at smage salt; <a href="/wiki/Smagsl%C3%B8g" title="Smagsløg">smagsløg</a> der registrerer salt, reagerer næsten udelukkende på natriumioner, om end visse andre små, monovalente ioner som Li<sup>+</sup>, NH<sub>4</sub><sup>+</sup> og til en vis grad også K<sup>+</sup> også registreres som en "salt" smag. <a href="/wiki/Kalciumklorid" title="Kalciumklorid">Kalciumklorid</a>, der undertiden bruges som erstatning for normalt <a href="/wiki/Bordsalt" class="mw-redirect" title="Bordsalt">bordsalt</a> for at sænke et forhøjet <a href="/wiki/Blodtryk" title="Blodtryk">blodtryk</a>, har også en salt smag, men er samtidig temmelig bittert. </p><p><a href="/wiki/Menneske" title="Menneske">Mennesker</a> har brug for mindre end et halvt gram natrium per dag, men mange mennesker spiser meget mere salt end kroppen har brug for. Det kan skabe helbredsproblemer for personer der har et salt-følsomt blodtryk. Ved for store mængder natrium i kroppen man man komme til at lide af <a href="/wiki/Hypernatri%C3%A6mi" title="Hypernatriæmi">hypernatriæmi</a>, hvilket er for høj natriumkoncentration i blodet. </p> <div class="mw-heading mw-heading2"><h2 id="Isotoper_af_natrium">Isotoper af natrium</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Natrium&amp;veaction=edit&amp;section=6" title="Redigér afsnit: Isotoper af natrium" class="mw-editsection-visualeditor"><span>redigér</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Natrium&amp;action=edit&amp;section=6" title="Edit section&#039;s source code: Isotoper af natrium"><span>rediger kildetekst</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ud af de 13 <a href="/wiki/Isotop" title="Isotop">isotoper</a> af natrium man kender, er der kun én der er stabil; natrium-23. Ved ulykker med akut <a href="/wiki/Neutronstr%C3%A5ling" title="Neutronstråling">neutronbestråling</a> af mennesker omdannes en del af blodets natrium-23-kerner til det <a href="/wiki/Radioaktivitet" title="Radioaktivitet">radioaktive</a> natrium-24. Man kan måle koncentrationen af denne isotop i den ramte persons blod, og ud fra dette og tiden siden bestrålingen fandt sted, beregne hvor stor strålingsdosis han/hun har modtaget. </p> <table class="infobox sisterproject"> <tbody><tr> <td style="width:50px; height:67px;"><figure class="mw-halign-none" typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/50px-Commons-logo.svg.png" decoding="async" width="50" height="67" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/75px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/100px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span><figcaption></figcaption></figure> </td> <td style="padding-left:5px;"><a href="https://commons.wikimedia.org/wiki/Forside" class="extiw" title="commons:Forside">Wikimedia Commons</a> har medier relateret til: <div style="margin-left: 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