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class="vector-toc-link" href="#Propriétés_chimiques"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Propriétés chimiques</span> </div> </a> <ul id="toc-Propriétés_chimiques-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Isotopes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Isotopes"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Isotopes</span> </div> </a> <ul id="toc-Isotopes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Applications_militaires" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Applications_militaires"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Applications militaires</span> </div> </a> <ul id="toc-Applications_militaires-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes_et_références" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes_et_références"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Notes et références</span> </div> </a> <ul id="toc-Notes_et_références-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Voir_aussi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Voir_aussi"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Voir aussi</span> </div> </a> <button aria-controls="toc-Voir_aussi-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Afficher / masquer la sous-section Voir aussi</span> </button> <ul id="toc-Voir_aussi-sublist" class="vector-toc-list"> <li id="toc-Articles_connexes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Articles_connexes"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Articles connexes</span> </div> </a> <ul id="toc-Articles_connexes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Liens_externes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Liens_externes"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.2</span> <span>Liens externes</span> </div> </a> <ul id="toc-Liens_externes-sublist" class="vector-toc-list"> </ul> </li> </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="Sommaire" 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="Basculer la table des matières" > <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">Basculer la table des matières</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">Neptunium</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="Aller à un article dans une autre langue. Disponible en 139 langues." > <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-139" 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">139 langues</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/Neptunium" title="Neptunium – afrikaans" lang="af" hreflang="af" data-title="Neptunium" 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%8A%94%E1%8D%95%E1%89%B2%E1%8B%A9%E1%8A%92%E1%8B%A8%E1%88%9D" title="ኔፕቲዩኒየም – amharique" lang="am" hreflang="am" data-title="ኔፕቲዩኒየም" data-language-autonym="አማርኛ" data-language-local-name="amharique" 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/Neptunio" title="Neptunio – aragonais" lang="an" hreflang="an" data-title="Neptunio" data-language-autonym="Aragonés" data-language-local-name="aragonais" 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%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9A%E0%A5%82%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्चूनियम – angika" lang="anp" hreflang="anp" data-title="नेप्चूनियम" data-language-autonym="अंगिका" data-language-local-name="angika" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%86%D8%A8%D8%AA%D9%88%D9%86%D9%8A%D9%88%D9%85" title="نبتونيوم – arabe" lang="ar" hreflang="ar" data-title="نبتونيوم" data-language-autonym="العربية" data-language-local-name="arabe" 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/%D9%86%D9%8A%D9%BE%D8%AA%D9%88%D9%86%D9%8A%D9%88%D9%85" title="نيپتونيوم – arabe marocain" lang="ary" hreflang="ary" data-title="نيپتونيوم" data-language-autonym="الدارجة" data-language-local-name="arabe marocain" 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/%D9%86%D8%A8%D8%AA%D9%88%D9%86%D9%8A%D9%88%D9%85" title="نبتونيوم – arabe égyptien" lang="arz" hreflang="arz" data-title="نبتونيوم" data-language-autonym="مصرى" data-language-local-name="arabe égyptien" 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/Neptuniu" title="Neptuniu – asturien" lang="ast" hreflang="ast" data-title="Neptuniu" data-language-autonym="Asturianu" data-language-local-name="asturien" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Neptunium" title="Neptunium – azerbaïdjanais" lang="az" hreflang="az" data-title="Neptunium" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaïdjanais" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний – bachkir" lang="ba" hreflang="ba" data-title="Нептуний" data-language-autonym="Башҡортса" data-language-local-name="bachkir" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/N%C3%A9ptunium" title="Néptunium – balinais" lang="ban" hreflang="ban" data-title="Néptunium" data-language-autonym="Basa Bali" data-language-local-name="balinais" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D1%96%D0%B9" title="Нептуній – biélorusse" lang="be" hreflang="be" data-title="Нептуній" data-language-autonym="Беларуская" data-language-local-name="biélorusse" 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%D1%8D%D0%BF%D1%82%D1%83%D0%BD_(%D1%8D%D0%BB%D0%B5%D0%BC%D1%8D%D0%BD%D1%82)" title="Нэптун (элемэнт) – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Нэптун (элемэнт)" 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%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний – bulgare" lang="bg" hreflang="bg" data-title="Нептуний" data-language-autonym="Български" data-language-local-name="bulgare" 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%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9A%E0%A5%81%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्चुनियम – Bhojpuri" lang="bh" hreflang="bh" data-title="नेप्चुनियम" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A8%E0%A7%87%E0%A6%AA%E0%A6%9A%E0%A7%81%E0%A6%A8%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%AE" title="নেপচুনিয়াম – bengali" lang="bn" hreflang="bn" data-title="নেপচুনিয়াম" 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%93%E0%BD%BA%E0%BD%96%E0%BC%8B%E0%BD%8A%E0%BD%B4%E0%BC%8B%E0%BD%93%E0%BD%B2%E0%BD%98%E0%BC%8D" title="ནེབ་ཊུ་ནིམ། – tibétain" lang="bo" hreflang="bo" data-title="ནེབ་ཊུ་ནིམ།" data-language-autonym="བོད་ཡིག" data-language-local-name="tibétain" 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/Neptuniom" title="Neptuniom – breton" lang="br" hreflang="br" data-title="Neptuniom" data-language-autonym="Brezhoneg" data-language-local-name="breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Neptunij" title="Neptunij – bosniaque" lang="bs" hreflang="bs" data-title="Neptunij" data-language-autonym="Bosanski" data-language-local-name="bosniaque" 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/Neptuni" title="Neptuni – catalan" lang="ca" hreflang="ca" data-title="Neptuni" data-language-autonym="Català" data-language-local-name="catalan" 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/Neptunium" title="Neptunium – Mindong" lang="cdo" hreflang="cdo" data-title="Neptunium" 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/Neptunyo" title="Neptunyo – cebuano" lang="ceb" hreflang="ceb" data-title="Neptunyo" data-language-autonym="Cebuano" data-language-local-name="cebuano" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-chr mw-list-item"><a href="https://chr.wikipedia.org/wiki/%E1%8F%81%E1%8F%86%E1%8F%9A%E1%8F%82%E1%8E%A5%E1%8E%BB" title="ᏁᏆᏚᏂᎥᎻ – cherokee" lang="chr" hreflang="chr" data-title="ᏁᏆᏚᏂᎥᎻ" data-language-autonym="ᏣᎳᎩ" data-language-local-name="cherokee" class="interlanguage-link-target"><span>ᏣᎳᎩ</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%86%DB%8E%D9%BE%D8%AA%DB%86%D9%86%DB%8C%DB%86%D9%85" title="نێپتۆنیۆم – sorani" lang="ckb" hreflang="ckb" data-title="نێپتۆنیۆم" 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/Nettuniu" title="Nettuniu – corse" lang="co" hreflang="co" data-title="Nettuniu" data-language-autonym="Corsu" data-language-local-name="corse" 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/Neptunium" title="Neptunium – tchèque" lang="cs" hreflang="cs" data-title="Neptunium" data-language-autonym="Čeština" data-language-local-name="tchèque" 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%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний – tchouvache" lang="cv" hreflang="cv" data-title="Нептуний" data-language-autonym="Чӑвашла" data-language-local-name="tchouvache" 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/Neptwniwm" title="Neptwniwm – gallois" lang="cy" hreflang="cy" data-title="Neptwniwm" data-language-autonym="Cymraeg" data-language-local-name="gallois" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Neptunium" title="Neptunium – danois" lang="da" hreflang="da" data-title="Neptunium" data-language-autonym="Dansk" data-language-local-name="danois" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Neptunium" title="Neptunium – allemand" lang="de" hreflang="de" data-title="Neptunium" data-language-autonym="Deutsch" data-language-local-name="allemand" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A0%CE%BF%CF%83%CE%B5%CE%B9%CE%B4%CF%8E%CE%BD%CE%B9%CE%BF" title="Ποσειδώνιο – grec" lang="el" hreflang="el" data-title="Ποσειδώνιο" data-language-autonym="Ελληνικά" data-language-local-name="grec" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="bon article"><a href="https://en.wikipedia.org/wiki/Neptunium" title="Neptunium – anglais" lang="en" hreflang="en" data-title="Neptunium" data-language-autonym="English" data-language-local-name="anglais" 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/Neptunio" title="Neptunio – espéranto" lang="eo" hreflang="eo" data-title="Neptunio" data-language-autonym="Esperanto" data-language-local-name="espéranto" 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/Neptunio" title="Neptunio – espagnol" lang="es" hreflang="es" data-title="Neptunio" data-language-autonym="Español" data-language-local-name="espagnol" 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/Neptuunium" title="Neptuunium – estonien" lang="et" hreflang="et" data-title="Neptuunium" data-language-autonym="Eesti" data-language-local-name="estonien" 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/Neptunio" title="Neptunio – basque" lang="eu" hreflang="eu" data-title="Neptunio" data-language-autonym="Euskara" data-language-local-name="basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%86%D9%BE%D8%AA%D9%88%D9%86%DB%8C%D9%85" title="نپتونیم – persan" lang="fa" hreflang="fa" data-title="نپتونیم" data-language-autonym="فارسی" data-language-local-name="persan" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi badge-Q17559452 badge-recommendedarticle mw-list-item" title="article recommandé"><a href="https://fi.wikipedia.org/wiki/Neptunium" title="Neptunium – finnois" lang="fi" hreflang="fi" data-title="Neptunium" data-language-autonym="Suomi" data-language-local-name="finnois" 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/Neptunium" title="Neptunium – féroïen" lang="fo" hreflang="fo" data-title="Neptunium" data-language-autonym="Føroyskt" data-language-local-name="féroïen" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Neptuunium" title="Neptuunium – frison septentrional" lang="frr" hreflang="frr" data-title="Neptuunium" data-language-autonym="Nordfriisk" data-language-local-name="frison septentrional" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Netuni" title="Netuni – frioulan" lang="fur" hreflang="fur" data-title="Netuni" data-language-autonym="Furlan" data-language-local-name="frioulan" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Neipti%C3%BAiniam" title="Neiptiúiniam – irlandais" lang="ga" hreflang="ga" data-title="Neiptiúiniam" data-language-autonym="Gaeilge" data-language-local-name="irlandais" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Neiptiunium" title="Neiptiunium – gaélique écossais" lang="gd" hreflang="gd" data-title="Neiptiunium" data-language-autonym="Gàidhlig" data-language-local-name="gaélique écossais" 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/Neptunio" title="Neptunio – galicien" lang="gl" hreflang="gl" data-title="Neptunio" data-language-autonym="Galego" data-language-local-name="galicien" 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%A8%E0%AB%87%E0%AA%AA%E0%AB%8D%E0%AA%9A%E0%AB%8D%E0%AA%AF%E0%AB%81%E0%AA%A8%E0%AB%80%E0%AA%AF%E0%AA%AE" title="નેપ્ચ્યુનીયમ – goudjarati" lang="gu" hreflang="gu" data-title="નેપ્ચ્યુનીયમ" data-language-autonym="ગુજરાતી" data-language-local-name="goudjarati" 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/Nep%C3%A7hunium" title="Nepçhunium – mannois" lang="gv" hreflang="gv" data-title="Nepçhunium" data-language-autonym="Gaelg" data-language-local-name="mannois" 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/Neptunium" title="Neptunium – hakka" lang="hak" hreflang="hak" data-title="Neptunium" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="hakka" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A0%D7%A4%D7%98%D7%95%D7%A0%D7%99%D7%95%D7%9D" title="נפטוניום – hébreu" lang="he" hreflang="he" data-title="נפטוניום" data-language-autonym="עברית" data-language-local-name="hébreu" 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%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A5%82%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्टूनियम – hindi" lang="hi" hreflang="hi" data-title="नेप्टूनियम" 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/Neptunium" title="Neptunium – hindi fidjien" lang="hif" hreflang="hif" data-title="Neptunium" data-language-autonym="Fiji Hindi" data-language-local-name="hindi fidjien" 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/Neptunij" title="Neptunij – croate" lang="hr" hreflang="hr" data-title="Neptunij" data-language-autonym="Hrvatski" data-language-local-name="croate" 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/Neptiny%C3%B2m" title="Neptinyòm – créole haïtien" lang="ht" hreflang="ht" data-title="Neptinyòm" data-language-autonym="Kreyòl ayisyen" data-language-local-name="créole haïtien" 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/Nept%C3%BAnium" title="Neptúnium – hongrois" lang="hu" hreflang="hu" data-title="Neptúnium" data-language-autonym="Magyar" data-language-local-name="hongrois" 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%A5%D5%BA%D5%BF%D5%B8%D6%82%D5%B6%D5%AB%D5%B8%D6%82%D5%B4" title="Նեպտունիում – arménien" lang="hy" hreflang="hy" data-title="Նեպտունիում" data-language-autonym="Հայերեն" data-language-local-name="arménien" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Neptunium" title="Neptunium – interlingua" lang="ia" hreflang="ia" data-title="Neptunium" 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/Neptunium" title="Neptunium – indonésien" lang="id" hreflang="id" data-title="Neptunium" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonésien" 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/Neptunio" title="Neptunio – ido" lang="io" hreflang="io" data-title="Neptunio" 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/Nept%C3%BAn%C3%ADn" title="Neptúnín – islandais" lang="is" hreflang="is" data-title="Neptúnín" data-language-autonym="Íslenska" data-language-local-name="islandais" 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/Nettunio" title="Nettunio – italien" lang="it" hreflang="it" data-title="Nettunio" data-language-autonym="Italiano" data-language-local-name="italien" 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%8D%E3%83%97%E3%83%84%E3%83%8B%E3%82%A6%E3%83%A0" title="ネプツニウム – japonais" lang="ja" hreflang="ja" data-title="ネプツニウム" data-language-autonym="日本語" data-language-local-name="japonais" 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/jinmrneptuni" title="jinmrneptuni – lojban" lang="jbo" hreflang="jbo" data-title="jinmrneptuni" 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/Neptunium" title="Neptunium – javanais" lang="jv" hreflang="jv" data-title="Neptunium" data-language-autonym="Jawa" data-language-local-name="javanais" 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%94%E1%83%9E%E1%83%A2%E1%83%A3%E1%83%9C%E1%83%98%E1%83%A3%E1%83%9B%E1%83%98" title="ნეპტუნიუმი – géorgien" lang="ka" hreflang="ka" data-title="ნეპტუნიუმი" data-language-autonym="ქართული" data-language-local-name="géorgien" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/N%C9%9Bpt%CA%8An%C9%A9y%C9%94m" title="Nɛptʊnɩyɔm – Kabiye" lang="kbp" hreflang="kbp" data-title="Nɛptʊnɩyɔm" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний – kazakh" lang="kk" hreflang="kk" data-title="Нептуний" data-language-autonym="Қазақша" data-language-local-name="kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%A8%E0%B3%86%E0%B2%AA%E0%B3%8D%E0%B2%9A%E0%B3%82%E0%B2%A8%E0%B2%BF%E0%B2%AF%E0%B2%AE%E0%B3%8D" title="ನೆಪ್ಚೂನಿಯಮ್ – kannada" lang="kn" hreflang="kn" data-title="ನೆಪ್ಚೂನಿಯಮ್" 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%84%B5%ED%88%AC%EB%8A%84" title="넵투늄 – coréen" lang="ko" hreflang="ko" data-title="넵투늄" data-language-autonym="한국어" data-language-local-name="coréen" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний – komi" lang="kv" hreflang="kv" data-title="Нептуний" 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/Neptuniom" title="Neptuniom – cornique" lang="kw" hreflang="kw" data-title="Neptuniom" data-language-autonym="Kernowek" data-language-local-name="cornique" 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%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний – kirghize" lang="ky" hreflang="ky" data-title="Нептуний" data-language-autonym="Кыргызча" data-language-local-name="kirghize" 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/Neptunium" title="Neptunium – latin" lang="la" hreflang="la" data-title="Neptunium" 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/Neptunium" title="Neptunium – luxembourgeois" lang="lb" hreflang="lb" data-title="Neptunium" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxembourgeois" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Neptunium" title="Neptunium – limbourgeois" lang="li" hreflang="li" data-title="Neptunium" data-language-autonym="Limburgs" data-language-local-name="limbourgeois" 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/Nettunnio" title="Nettunnio – ligure" lang="lij" hreflang="lij" data-title="Nettunnio" data-language-autonym="Ligure" data-language-local-name="ligure" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Nept%C5%ABnis" title="Neptūnis – lituanien" lang="lt" hreflang="lt" data-title="Neptūnis" data-language-autonym="Lietuvių" data-language-local-name="lituanien" 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/Nept%C5%ABnijs" title="Neptūnijs – letton" lang="lv" hreflang="lv" data-title="Neptūnijs" data-language-autonym="Latviešu" data-language-local-name="letton" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D1%83%D0%BC" title="Нептуниум – macédonien" lang="mk" hreflang="mk" data-title="Нептуниум" data-language-autonym="Македонски" data-language-local-name="macédonien" 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%A8%E0%B5%86%E0%B4%AA%E0%B5%8D%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%8D%E0%B4%AF%E0%B5%82%E0%B4%A3%E0%B4%BF%E0%B4%AF%E0%B4%82" title="നെപ്റ്റ്യൂണിയം – malayalam" lang="ml" hreflang="ml" data-title="നെപ്റ്റ്യൂണിയം" 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%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8" title="Нептуни – mongol" lang="mn" hreflang="mn" data-title="Нептуни" data-language-autonym="Монгол" data-language-local-name="mongol" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9A%E0%A5%82%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्चूनियम – marathi" lang="mr" hreflang="mr" data-title="नेप्चूनियम" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-mrj mw-list-item"><a href="https://mrj.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний – mari occidental" lang="mrj" hreflang="mrj" data-title="Нептуний" data-language-autonym="Кырык мары" data-language-local-name="mari occidental" class="interlanguage-link-target"><span>Кырык мары</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Neptunium" title="Neptunium – malais" lang="ms" hreflang="ms" data-title="Neptunium" data-language-autonym="Bahasa Melayu" data-language-local-name="malais" 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%94%E1%80%95%E1%80%BA%E1%80%80%E1%80%BB%E1%80%B0%E1%80%94%E1%80%AE%E1%80%9A%E1%80%99%E1%80%BA" title="နပ်ကျူနီယမ် – birman" lang="my" hreflang="my" data-title="နပ်ကျူနီယမ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birman" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-myv mw-list-item"><a href="https://myv.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний – erzya" lang="myv" hreflang="myv" data-title="Нептуний" data-language-autonym="Эрзянь" data-language-local-name="erzya" class="interlanguage-link-target"><span>Эрзянь</span></a></li><li class="interlanguage-link interwiki-nah mw-list-item"><a href="https://nah.wikipedia.org/wiki/Tl%C4%81loctepoztli" title="Tlāloctepoztli – Nahuatl" lang="nah" hreflang="nah" data-title="Tlāloctepoztli" data-language-autonym="Nāhuatl" data-language-local-name="Nahuatl" class="interlanguage-link-target"><span>Nāhuatl</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Neptunium" title="Neptunium – bas-allemand" lang="nds" hreflang="nds" data-title="Neptunium" data-language-autonym="Plattdüütsch" data-language-local-name="bas-allemand" 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%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A5%81%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्टुनियम – newari" lang="new" hreflang="new" data-title="नेप्टुनियम" 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/Neptunium" title="Neptunium – néerlandais" lang="nl" hreflang="nl" data-title="Neptunium" data-language-autonym="Nederlands" data-language-local-name="néerlandais" 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/Neptunium" title="Neptunium – norvégien nynorsk" lang="nn" hreflang="nn" data-title="Neptunium" data-language-autonym="Norsk nynorsk" data-language-local-name="norvégien 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/Neptunium" title="Neptunium – norvégien bokmål" lang="nb" hreflang="nb" data-title="Neptunium" data-language-autonym="Norsk bokmål" data-language-local-name="norvégien bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Neptuni" title="Neptuni – occitan" lang="oc" hreflang="oc" data-title="Neptuni" data-language-autonym="Occitan" data-language-local-name="occitan" 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/Neptunii" title="Neptunii – Livvi-Karelian" lang="olo" hreflang="olo" data-title="Neptunii" data-language-autonym="Livvinkarjala" data-language-local-name="Livvi-Karelian" class="interlanguage-link-target"><span>Livvinkarjala</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%A8%E0%AD%87%E0%AC%AA%E0%AD%8D%E2%80%8C%E0%AC%9A%E0%AD%81%E0%AC%A8%E0%AC%BF%E0%AC%85%E0%AC%AE" title="ନେପ୍‌ଚୁନିଅମ – odia" lang="or" hreflang="or" data-title="ନେପ୍‌ଚୁନିଅମ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="odia" 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%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний – ossète" lang="os" hreflang="os" data-title="Нептуний" data-language-autonym="Ирон" data-language-local-name="ossète" class="interlanguage-link-target"><span>Ирон</span></a></li><li class="interlanguage-link interwiki-pi mw-list-item"><a href="https://pi.wikipedia.org/wiki/%E0%A4%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A5%81%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्टुनियम – pali" lang="pi" hreflang="pi" data-title="नेप्टुनियम" data-language-autonym="पालि" data-language-local-name="pali" class="interlanguage-link-target"><span>पालि</span></a></li><li class="interlanguage-link interwiki-pl badge-Q17437796 badge-featuredarticle mw-list-item" title="article de qualité"><a href="https://pl.wikipedia.org/wiki/Neptun_(pierwiastek)" title="Neptun (pierwiastek) – polonais" lang="pl" hreflang="pl" data-title="Neptun (pierwiastek)" data-language-autonym="Polski" data-language-local-name="polonais" 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/Netuni" title="Netuni – piémontais" lang="pms" hreflang="pms" data-title="Netuni" data-language-autonym="Piemontèis" data-language-local-name="piémontais" 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/%D9%86%DB%8C%D9%BE%DA%86%D9%88%D9%86%DB%8C%D9%85" title="نیپچونیم – Western Punjabi" lang="pnb" hreflang="pnb" data-title="نیپچونیم" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D9%86%DB%90%D9%BE%D9%BC%D9%88%D9%86%D9%8A%D9%88%D9%85" title="نېپټونيوم – pachto" lang="ps" hreflang="ps" data-title="نېپټونيوم" data-language-autonym="پښتو" data-language-local-name="pachto" 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/Nept%C3%BAnio" title="Neptúnio – portugais" lang="pt" hreflang="pt" data-title="Neptúnio" data-language-autonym="Português" data-language-local-name="portugais" 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/Niptunyu" title="Niptunyu – quechua" lang="qu" hreflang="qu" data-title="Niptunyu" 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/Neptuniu" title="Neptuniu – roumain" lang="ro" hreflang="ro" data-title="Neptuniu" data-language-autonym="Română" data-language-local-name="roumain" 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/Neptuniu" title="Neptuniu – aroumain" lang="rup" hreflang="rup" data-title="Neptuniu" data-language-autonym="Armãneashti" data-language-local-name="aroumain" 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%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний – russe" lang="ru" hreflang="ru" data-title="Нептуний" data-language-autonym="Русский" data-language-local-name="russe" 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%A8%E0%A5%87%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A5%81%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नेप्टुनियम – sanskrit" lang="sa" hreflang="sa" data-title="नेप्टुनियम" 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%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D1%83%D0%BC" title="Нептуниум – iakoute" lang="sah" hreflang="sah" data-title="Нептуниум" data-language-autonym="Саха тыла" data-language-local-name="iakoute" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/Net%C3%B9niu" title="Netùniu – sarde" lang="sc" hreflang="sc" data-title="Netùniu" data-language-autonym="Sardu" data-language-local-name="sarde" 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/Nettuniu" title="Nettuniu – sicilien" lang="scn" hreflang="scn" data-title="Nettuniu" data-language-autonym="Sicilianu" data-language-local-name="sicilien" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Neptunijum" title="Neptunijum – serbo-croate" lang="sh" hreflang="sh" data-title="Neptunijum" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croate" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Neptunium" title="Neptunium – Simple English" lang="en-simple" hreflang="en-simple" data-title="Neptunium" 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/Nept%C3%BAnium" title="Neptúnium – slovaque" lang="sk" hreflang="sk" data-title="Neptúnium" data-language-autonym="Slovenčina" data-language-local-name="slovaque" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Neptunij" title="Neptunij – slovène" lang="sl" hreflang="sl" data-title="Neptunij" data-language-autonym="Slovenščina" data-language-local-name="slovène" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Neptuni_(element_kimik)" title="Neptuni (element kimik) – albanais" lang="sq" hreflang="sq" data-title="Neptuni (element kimik)" data-language-autonym="Shqip" data-language-local-name="albanais" 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%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D1%98%D1%83%D0%BC" title="Нептунијум – serbe" lang="sr" hreflang="sr" data-title="Нептунијум" data-language-autonym="Српски / srpski" data-language-local-name="serbe" 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/Neptunium" title="Neptunium – saterlandais" lang="stq" hreflang="stq" data-title="Neptunium" data-language-autonym="Seeltersk" data-language-local-name="saterlandais" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Neptunium" title="Neptunium – suédois" lang="sv" hreflang="sv" data-title="Neptunium" data-language-autonym="Svenska" data-language-local-name="suédois" 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/Neptuni_(elementi)" title="Neptuni (elementi) – swahili" lang="sw" hreflang="sw" data-title="Neptuni (elementi)" 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%A8%E0%AF%86%E0%AE%AA%E0%AF%8D%E0%AE%9F%E0%AE%BF%E0%AE%AF%E0%AF%82%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D" title="நெப்டியூனியம் – tamoul" lang="ta" hreflang="ta" data-title="நெப்டியூனியம்" data-language-autonym="தமிழ்" data-language-local-name="tamoul" 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%A8%E0%B1%86%E0%B0%AA%E0%B1%8D%E0%B0%9F%E0%B1%8D%E0%B0%AF%E0%B1%82%E0%B0%A8%E0%B0%BF%E0%B0%AF%E0%B0%82" title="నెప్ట్యూనియం – télougou" lang="te" hreflang="te" data-title="నెప్ట్యూనియం" data-language-autonym="తెలుగు" data-language-local-name="télougou" 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%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний – tadjik" lang="tg" hreflang="tg" data-title="Нептуний" data-language-autonym="Тоҷикӣ" data-language-local-name="tadjik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%99%E0%B8%9B%E0%B8%97%E0%B8%B9%E0%B9%80%E0%B8%99%E0%B8%B5%E0%B8%A2%E0%B8%A1" title="เนปทูเนียม – thaï" lang="th" hreflang="th" data-title="เนปทูเนียม" data-language-autonym="ไทย" data-language-local-name="thaï" 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/Neptunyo" title="Neptunyo – tagalog" lang="tl" hreflang="tl" data-title="Neptunyo" 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/Nept%C3%BCnyum" title="Neptünyum – turc" lang="tr" hreflang="tr" data-title="Neptünyum" data-language-autonym="Türkçe" data-language-local-name="turc" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D0%B9" title="Нептуний – tatar" lang="tt" hreflang="tt" data-title="Нептуний" data-language-autonym="Татарча / tatarça" data-language-local-name="tatar" 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%DB%90%D9%BE%D8%AA%D9%88%D9%86%D9%89%D9%8A" title="نېپتونىي – ouïghour" lang="ug" hreflang="ug" data-title="نېپتونىي" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="ouïghour" 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%B5%D0%BF%D1%82%D1%83%D0%BD%D1%96%D0%B9" title="Нептуній – ukrainien" lang="uk" hreflang="uk" data-title="Нептуній" data-language-autonym="Українська" data-language-local-name="ukrainien" 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/%D9%86%DB%8C%D9%BE%DA%86%D9%88%D9%86%DB%8C%D8%A6%D9%85" title="نیپچونیئم – ourdou" lang="ur" hreflang="ur" data-title="نیپچونیئم" data-language-autonym="اردو" data-language-local-name="ourdou" 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/Neptuniy" title="Neptuniy – ouzbek" lang="uz" hreflang="uz" data-title="Neptuniy" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="ouzbek" 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/Neptunii" title="Neptunii – vepse" lang="vep" hreflang="vep" data-title="Neptunii" data-language-autonym="Vepsän kel’" data-language-local-name="vepse" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Neptuni" title="Neptuni – vietnamien" lang="vi" hreflang="vi" data-title="Neptuni" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamien" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Neptunyo" title="Neptunyo – waray" lang="war" hreflang="war" data-title="Neptunyo" 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%95%8E" title="镎 – wu" lang="wuu" hreflang="wuu" data-title="镎" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BF%D1%82%D1%83%D0%BD%D0%B8%D1%83%D0%BC" title="Нептуниум – kalmouk" lang="xal" hreflang="xal" data-title="Нептуниум" data-language-autonym="Хальмг" data-language-local-name="kalmouk" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/N%E1%BA%B9%CC%81pt%C3%BAn%C3%AD%E1%BB%8D%CC%80m" title="Nẹ́ptúníọ̀m – yoruba" lang="yo" hreflang="yo" data-title="Nẹ́ptúníọ̀m" data-language-autonym="Yorùbá" data-language-local-name="yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%95%8E" title="镎 – chinois" lang="zh" hreflang="zh" data-title="镎" data-language-autonym="中文" data-language-local-name="chinois" 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%8C%BC" title="錼 – chinois littéraire" lang="lzh" hreflang="lzh" data-title="錼" data-language-autonym="文言" data-language-local-name="chinois littéraire" 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/Neptunium" title="Neptunium – minnan" lang="nan" hreflang="nan" data-title="Neptunium" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="minnan" 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%8C%BC" title="錼 – cantonais" lang="yue" hreflang="yue" data-title="錼" data-language-autonym="粵語" data-language-local-name="cantonais" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/UmNaphangana" title="UmNaphangana – zoulou" lang="zu" hreflang="zu" data-title="UmNaphangana" data-language-autonym="IsiZulu" data-language-local-name="zoulou" class="interlanguage-link-target"><span>IsiZulu</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1105#sitelinks-wikipedia" title="Modifier les liens interlangues" class="wbc-editpage">Modifier les liens</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="Espaces de noms"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Neptunium" title="Voir le contenu de la page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discussion:Neptunium" rel="discussion" title="Discussion au sujet de cette page de contenu [t]" accesskey="t"><span>Discussion</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="Modifier la variante de langue" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" 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accesskey="v"><span>Modifier</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Neptunium&action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Neptunium&action=history" title="Historique des versions de cette page [h]" accesskey="h"><span>Voir l’historique</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <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="Outils" > <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">Outils</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">Outils</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">masquer</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Plus d’options" > <div class="vector-menu-heading"> Actions </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/Neptunium"><span>Lire</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Neptunium&veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Neptunium&action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Neptunium&action=history"><span>Voir l’historique</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Général </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_li%C3%A9es/Neptunium" title="Liste des pages liées qui pointent sur celle-ci [j]" accesskey="j"><span>Pages liées</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Suivi_des_liens/Neptunium" rel="nofollow" title="Liste des modifications récentes des pages appelées par celle-ci [k]" accesskey="k"><span>Suivi des pages liées</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Aide:Importer_un_fichier" title="Téléverser des fichiers [u]" accesskey="u"><span>Téléverser un fichier</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_sp%C3%A9ciales" title="Liste de toutes les pages spéciales [q]" accesskey="q"><span>Pages spéciales</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Neptunium&oldid=214903036" title="Adresse permanente de cette version de cette page"><span>Lien permanent</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Neptunium&action=info" title="Davantage d’informations sur cette page"><span>Informations sur la page</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Citer&page=Neptunium&id=214903036&wpFormIdentifier=titleform" title="Informations sur la manière de citer cette page"><span>Citer cette page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:UrlShortener&url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FNeptunium"><span>Obtenir l'URL raccourcie</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:QrCode&url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FNeptunium"><span>Télécharger le code QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimer / exporter </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=Sp%C3%A9cial:Livre&bookcmd=book_creator&referer=Neptunium"><span>Créer un livre</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:DownloadAsPdf&page=Neptunium&action=show-download-screen"><span>Télécharger comme PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Neptunium&printable=yes" title="Version imprimable de cette page [p]" accesskey="p"><span>Version imprimable</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"> Dans d’autres projets </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/Neptunium" 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/Q1105" title="Lien vers l’élément dans le dépôt de données connecté [g]" accesskey="g"><span>Élément Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Apparence"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Apparence</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">masquer</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Un article de Wikipédia, l'encyclopédie libre.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="fr" dir="ltr"><p class="mw-empty-elt"> </p> <table class="infobox_v2 infobox infobox--frwiki noarchive"> <tbody><tr> <td colspan="2" class="entete defaut" style="background-color:#F9C;color:black;">Neptunium </td></tr> <tr><td colspan="2" style="display:none;"> </td></tr> <tr> <td colspan="2" style="text-align:center;"></td></tr><tr><td colspan="2"><table class="nocellpadding" style="border-spacing:0; width:100%; background:#f9f9f9"><tbody><tr><td colspan="2" style="text-align:center; padding-bottom:0.5em;"><a href="/wiki/Uranium" title="Uranium">Uranium</a> ← <b>Neptunium</b> → <a href="/wiki/Plutonium" title="Plutonium">Plutonium</a></td></tr><tr><td style="height:16px; valign:middle; text-align:center;"><a href="/wiki/Prom%C3%A9thium" title="Prométhium">Pm</a></td><td style="text-align:center;" rowspan="5"> <table border="0" cellpadding="0" cellspacing="1" align="center" style="border-collapse:separate; width:248px; background-color:transparent; color:inherit;"> <tbody><tr> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #a0ffa0;"><a href="/wiki/Hydrog%C3%A8ne" title="Hydrogène"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="border:none; width:7px; padding:0; background-color:transparent; color:inherit;"> </td> <td colspan="14" rowspan="5" style="border:none; padding:0; background-color:transparent; color:inherit;"><span typeof="mw:File"><a href="/wiki/Syst%C3%A8me_cristallin_orthorhombique" title="Système cristallin orthorhombique"><img alt="Structure cristalline orthorhombique" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Orthorhombic.svg/32px-Orthorhombic.svg.png" decoding="async" width="32" height="42" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Orthorhombic.svg/48px-Orthorhombic.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Orthorhombic.svg/64px-Orthorhombic.svg.png 2x" data-file-width="108" data-file-height="142" /></a></span> </td> <td rowspan="3" style="border:none; width:7px; padding:0; background-color:transparent; color:inherit;"> </td> <td colspan="9" rowspan="3" style="border:none; text-align:center; padding:0; background-color:transparent; color:inherit;"> <table align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:transparent; color:inherit;"> <tbody><tr> <td style="font-size:10pt; border:none; padding:0; line-height:1em; background-color:transparent; color:inherit;"> <br />93</td> <td style="font-size:16pt; border:none; padding:0; line-height:1em; background-color:transparent; color:inherit;"><b>Np</b></td></tr></tbody></table> </td> <td colspan="5" style="border:none; padding:0; background-color:transparent; color:inherit;"> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #c0ffff;"><a href="/wiki/H%C3%A9lium" title="Hélium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr> <tr> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ff6666;"><a href="/wiki/Lithium" title="Lithium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffdead;"><a href="/wiki/B%C3%A9ryllium" title="Béryllium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #cccc99;"><a href="/wiki/Bore" title="Bore"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #a0ffa0;"><a href="/wiki/Carbone" title="Carbone"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #a0ffa0;"><a href="/wiki/Azote" title="Azote"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #a0ffa0;"><a href="/wiki/Oxyg%C3%A8ne" title="Oxygène"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffff99;"><a href="/wiki/Fluor" title="Fluor"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #c0ffff;"><a href="/wiki/N%C3%A9on" title="Néon"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr> <tr> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ff6666;"><a href="/wiki/Sodium" title="Sodium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffdead;"><a href="/wiki/Magn%C3%A9sium" title="Magnésium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #cccccc;"><a href="/wiki/Aluminium" title="Aluminium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #cccc99;"><a href="/wiki/Silicium" title="Silicium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #a0ffa0;"><a href="/wiki/Phosphore" title="Phosphore"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #a0ffa0;"><a href="/wiki/Soufre" title="Soufre"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffff99;"><a href="/wiki/Chlore" title="Chlore"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #c0ffff;"><a href="/wiki/Argon" title="Argon"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr> <tr> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ff6666;"><a href="/wiki/Potassium" title="Potassium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffdead;"><a href="/wiki/Calcium" title="Calcium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Scandium" title="Scandium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Titane" title="Titane"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Vanadium" title="Vanadium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Chrome" title="Chrome"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Mangan%C3%A8se" title="Manganèse"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Fer" title="Fer"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Cobalt" title="Cobalt"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Nickel" title="Nickel"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Cuivre" title="Cuivre"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #cccccc;"><a href="/wiki/Zinc" title="Zinc"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #cccccc;"><a href="/wiki/Gallium" title="Gallium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #cccc99;"><a href="/wiki/Germanium" title="Germanium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #cccc99;"><a href="/wiki/Arsenic" title="Arsenic"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #a0ffa0;"><a href="/wiki/S%C3%A9l%C3%A9nium" title="Sélénium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffff99;"><a href="/wiki/Brome" title="Brome"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #c0ffff;"><a href="/wiki/Krypton" title="Krypton"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr> <tr> <td style="padding: 0; width: 7px; height: 9px; 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#ff99cc;"><a href="/wiki/Nob%C3%A9lium" title="Nobélium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ff99cc;"><a href="/wiki/Lawrencium" title="Lawrencium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Rutherfordium" title="Rutherfordium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Dubnium" title="Dubnium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Seaborgium" title="Seaborgium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Bohrium" title="Bohrium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Hassium" title="Hassium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #eeeeee;"><a href="/wiki/Meitn%C3%A9rium" title="Meitnérium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #eeeeee;"><a href="/wiki/Darmstadtium" title="Darmstadtium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #eeeeee;"><a href="/wiki/Roentgenium" title="Roentgenium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffc0c0;"><a href="/wiki/Copernicium" title="Copernicium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #eeeeee;"><a href="/wiki/Nihonium" title="Nihonium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #eeeeee;"><a href="/wiki/Fl%C3%A9rovium" title="Flérovium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #eeeeee;"><a href="/wiki/Moscovium" title="Moscovium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #eeeeee;"><a href="/wiki/Livermorium" title="Livermorium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #eeeeee;"><a href="/wiki/Tennesse" title="Tennesse"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #eeeeee;"><a href="/wiki/Oganesson" title="Oganesson"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr> <tr> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #eeeeee;"><a href="/wiki/Ununennium" title="Ununennium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #eeeeee;"><a href="/wiki/Unbinilium" title="Unbinilium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td></tr> <tr> <td> </td></tr> <tr> <td> </td> <td> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Unbiunium" title="Unbiunium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Unbibium" title="Unbibium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Unbitrium" title="Unbitrium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Unbiquadium" title="Unbiquadium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Unbipentium" title="Unbipentium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Unbihexium" title="Unbihexium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Unbiseptium" title="Unbiseptium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Unbioctium" title="Unbioctium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Unbiennium" title="Unbiennium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Untrinilium" title="Untrinilium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Untriunium" title="Untriunium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Untribium" title="Untribium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Untritrium" title="Untritrium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Untriquadium" title="Untriquadium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Untripentium" title="Untripentium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Untrihexium" title="Untrihexium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Untriseptium" title="Untriseptium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Untrioctium" title="Untrioctium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Untriennium" title="Untriennium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Unquadnilium" title="Unquadnilium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Unquadunium" title="Unquadunium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding: 0; width: 7px; height: 9px; border: none; background-color: #ffeeee;"><a href="/wiki/Unquadbium" title="Unquadbium"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr></tbody></table></td></tr><tr><td style="height:16px; valign:middle; text-align:center;">↑</td></tr><tr><td style="height:16px; valign:middle; text-align:center;"><b>Np</b></td></tr><tr><td style="height:16px; valign:middle; text-align:center;">↓</td></tr><tr><td style="height:16px; valign:middle; text-align:center;">?</td></tr><tr><td colspan="2" style="text-align:center; padding-top:0.5em;"><a href="/wiki/Tableau_p%C3%A9riodique_des_%C3%A9l%C3%A9ments" title="Tableau périodique des éléments">Tableau complet</a> • <a href="/wiki/Tableau_p%C3%A9riodique_%C3%A9tendu" title="Tableau périodique étendu">Tableau étendu</a></td></tr></tbody></table> </td></tr> <tr> <th colspan="2" style="padding:4px; text-align:center; background-color:#F9C; color:#000000">Position dans le <a href="/wiki/Tableau_p%C3%A9riodique_des_%C3%A9l%C3%A9ments" title="Tableau périodique des éléments">tableau périodique</a></th></tr> <tr> <th scope="row"><a href="/wiki/Symbole_chimique" class="mw-redirect" title="Symbole chimique">Symbole</a> </th> <td>Np </td> </tr> <tr> <th scope="row"><a href="/wiki/Nom_des_%C3%A9l%C3%A9ments_chimiques" title="Nom des éléments chimiques">Nom</a> </th> <td>Neptunium </td> </tr> <tr> <th scope="row"><a href="/wiki/Num%C3%A9ro_atomique" title="Numéro atomique">Numéro atomique</a> </th> <td>93 </td> </tr> <tr> <th scope="row"><a href="/wiki/Groupe_du_tableau_p%C3%A9riodique" title="Groupe du tableau périodique">Groupe</a> </th> <td>– </td> </tr> <tr> <th scope="row"><a href="/wiki/P%C3%A9riode_du_tableau_p%C3%A9riodique" title="Période du tableau périodique">Période</a> </th> <td><a href="/wiki/P%C3%A9riode_7_du_tableau_p%C3%A9riodique" title="Période 7 du tableau périodique">7</a><sup>e</sup> période </td> </tr> <tr> <th scope="row"><a href="/wiki/Bloc_du_tableau_p%C3%A9riodique" title="Bloc du tableau périodique">Bloc</a> </th> <td><a href="/wiki/Bloc_f_du_tableau_p%C3%A9riodique" title="Bloc f du tableau périodique">Bloc f</a> </td> </tr> <tr> <th scope="row"><a href="/wiki/Famille_d%27%C3%A9l%C3%A9ments_chimiques" title="Famille d'éléments chimiques">Famille d'éléments</a> </th> <td><a href="/wiki/Actinide" title="Actinide">Actinide</a> </td> </tr> <tr> <th scope="row"><a href="/wiki/Configuration_%C3%A9lectronique" title="Configuration électronique">Configuration électronique</a> </th> <td>[<a href="/wiki/Radon" title="Radon">Rn</a>] 5<a href="/wiki/Orbitale-f" class="mw-redirect" title="Orbitale-f">f</a><sup>4</sup> 6<a href="/wiki/Orbitale-d" class="mw-redirect" title="Orbitale-d">d</a><sup>1</sup> 7<a href="/wiki/Orbitale-s" class="mw-redirect" title="Orbitale-s">s</a><sup>2</sup> </td> </tr> <tr> <th scope="row"><a href="/wiki/%C3%89lectron" title="Électron">Électrons</a> par <a href="/wiki/Niveau_d%27%C3%A9nergie" title="Niveau d'énergie">niveau d’énergie</a> </th> <td>2, 8, 18, 32, 22, 9, 2 </td> </tr> <tr><th colspan="2" style="padding:4px; text-align:center; background-color:#F9C; color:#000000">Propriétés atomiques de l'<a href="/wiki/%C3%89l%C3%A9ment_chimique" title="Élément chimique">élément</a></th></tr> <tr> <th scope="row"><a href="/wiki/Masse_atomique" title="Masse atomique">Masse atomique</a> </th> <td><span class="nowrap"><span title="">237</span> <span title="Unité de masse atomique">u</span></span> </td> </tr> <tr> <th scope="row"><a href="/wiki/Rayon_atomique" title="Rayon atomique">Rayon atomique</a> <small>(calc)</small> </th> <td><span class="nowrap"><span title="1,55 Å">155</span> <span title="picomètre">pm</span></span> </td> </tr> <tr> <th scope="row"><a href="/wiki/Rayon_de_covalence" title="Rayon de covalence">Rayon de covalence</a> </th> <td><span class="nowrap"><span title="1,9 Å">190</span> ± 1 <span title="picomètre">pm</span></span><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup> </td> </tr> <tr> <th scope="row"><a href="/wiki/Nombre_d%27oxydation" title="Nombre d'oxydation">État d’oxydation</a> </th> <td>6, 5, 4, 3 </td> </tr> <tr> <th scope="row"><a href="/wiki/%C3%89lectron%C3%A9gativit%C3%A9" title="Électronégativité">Électronégativité</a> <small>(<a href="/wiki/%C3%89chelle_de_Pauling" title="Échelle de Pauling">Pauling</a>)</small> </th> <td>1,36 </td> </tr> <tr> <th scope="row"><a href="/wiki/Oxyde" title="Oxyde">Oxyde</a> </th> <td><a href="/wiki/Amphot%C3%A8re" class="mw-redirect" title="Amphotère">Amphotère</a> </td> </tr> <tr><th colspan="2" style="padding:4px; text-align:center; background-color:#F9C; color:#000000"><a href="/wiki/%C3%89nergie_d%27ionisation" title="Énergie d'ionisation">Énergies d’ionisation</a><sup id="cite_ref-CRC_Handbook_of_Chemistry_and_Physics_2-0" class="reference"><a href="#cite_note-CRC_Handbook_of_Chemistry_and_Physics-2"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup></th></tr> <tr> <td colspan="2" style="text-align:center;"></td></tr><tr><td><abbr class="abbr" title="Première">1<sup>re</sup></abbr> : <span class="nowrap"><span title="1,003 875 7E−18 J ou 604,548 kJ·mol⁻¹ ou 197,9 nm">6,265 7</span> <span title="Électron-volt">eV</span></span> </td></tr> <tr><th colspan="2" style="padding:4px; text-align:center; background-color:#F9C; color:#000000"><a href="/wiki/Isotopes_du_neptunium" title="Isotopes du neptunium">Isotopes les plus stables</a></th></tr> <tr><td colspan="2" style="text-align:center;"></td></tr><tr><td colspan="2" style="padding:0px"><table class="wikitable" style="width:100%; text-align:center; margin-top:0; margin-bottom:0;"><tbody><tr style="background:#f2f2f2;"><th rowspan="2"> <a href="/wiki/Isotope" title="Isotope">Iso</a></th><th rowspan="2"> <a href="/wiki/Abondance_naturelle" title="Abondance naturelle">AN</a></th><th rowspan="2"> <a href="/wiki/P%C3%A9riode_radioactive" title="Période radioactive">Période</a></th><th rowspan="2"> <a href="/wiki/Mode_de_d%C3%A9sint%C3%A9gration" title="Mode de désintégration">MD</a></th><th> <a href="/wiki/%C3%89nergie_de_d%C3%A9sint%C3%A9gration" title="Énergie de désintégration">Ed</a></th><th rowspan="2"> <a href="/wiki/Produit_de_d%C3%A9sint%C3%A9gration" title="Produit de désintégration">PD</a></th></tr><tr style="background:#f2f2f2;"><th> <a href="/wiki/MeV" class="mw-redirect" title="MeV">MeV</a></th></tr><tr><td><sup>235</sup>Np</td><td><a href="/wiki/Radioisotope_synth%C3%A9tique" title="Radioisotope synthétique">{syn.}</a></td><td><span class="nowrap"><span title="34 223 040 s">396,1</span> <span title="Jour">j</span></span></td><td><a href="/wiki/D%C3%A9sint%C3%A9gration_alpha" class="mw-redirect" title="Désintégration alpha">α</a> <br /> <a href="/wiki/Capture_%C3%A9lectronique" title="Capture électronique">ε</a></td><td>5,192 <br /> 0,124</td><td><sup>231</sup><a href="/wiki/Protactinium" title="Protactinium">Pa</a> <br /> <a href="/wiki/Uranium_235" title="Uranium 235"><sup>235</sup>U</a></td></tr><tr><td><sup>236</sup>Np</td><td><a href="/wiki/Radioisotope_synth%C3%A9tique" title="Radioisotope synthétique">{syn.}</a></td><td><span class="nowrap"><span title="4 856 544 000 000 s">154 000</span> <span title="Année">a</span></span></td><td><a href="/wiki/D%C3%A9sint%C3%A9gration_alpha" class="mw-redirect" title="Désintégration alpha">α</a> <br /> <a href="/wiki/Radioactivit%C3%A9_%CE%B2#Désintégration_β–" title="Radioactivité β">β<sup>–</sup></a> <br /> <a href="/wiki/Capture_%C3%A9lectronique" title="Capture électronique">ε</a></td><td>5,020 <br /> 0,940 <br /> 0,940</td><td><sup>232</sup><a href="/wiki/Protactinium" title="Protactinium">Pa</a> <br /> <a href="/wiki/Plutonium_236" class="mw-redirect" title="Plutonium 236"><sup>236</sup>Pu</a> <br /> <a href="/wiki/Uranium_236" title="Uranium 236"><sup>236</sup>U</a></td></tr><tr><td><sup><a href="/wiki/Neptunium_237" title="Neptunium 237">237</a></sup>Np</td><td><a href="/wiki/Radioisotope_synth%C3%A9tique" title="Radioisotope synthétique">{syn.}</a></td><td><span class="nowrap"><span title="67 613 184 000 000 s">2,144</span>×10<sup class="exposant">6</sup> <span title="Année">a</span></span></td><td><a href="/wiki/D%C3%A9sint%C3%A9gration_%CE%B1" class="mw-redirect" title="Désintégration α">α</a> <br /> <a href="/wiki/Fission_spontan%C3%A9e" title="Fission spontanée">FS</a></td><td>4,959 <br /> —</td><td><a href="/wiki/Protactinium_233" class="mw-redirect" title="Protactinium 233"><sup>233</sup>Pa</a> <br /> <a href="/wiki/Produits_de_fission" class="mw-redirect" title="Produits de fission">PF</a></td></tr></tbody></table></td></tr> <tr><th colspan="2" style="padding:4px; text-align:center; background-color:#F9C; color:#000000">Propriétés physiques du <a href="/wiki/Corps_simple" title="Corps simple">corps simple</a></th></tr> <tr> <th scope="row"><a href="/wiki/Phase_(thermodynamique)" title="Phase (thermodynamique)">État ordinaire</a> </th> <td>solide </td> </tr> <tr> <th scope="row"><a href="/wiki/Masse_volumique" title="Masse volumique">Masse volumique</a> </th> <td><span class="nowrap"><span title="20 250 kg⋅m⁻³ ou 137,84 °Baumé">20,25</span> <span title="Gramme">g</span>·<span title="centimètre">cm</span><sup>-3</sup></span> (<span class="nowrap"><span title="68 °F ou 293,2 K">20</span> <span title="Degré Celsius">°C</span></span>)<sup id="cite_ref-HandbookChemPhys90_3-0" class="reference"><a href="#cite_note-HandbookChemPhys90-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup> </td> </tr> <tr> <th scope="row"><a href="/wiki/Syst%C3%A8me_cristallin" title="Système cristallin">Système cristallin</a> </th> <td><a href="/wiki/Syst%C3%A8me_cristallin_orthorhombique" title="Système cristallin orthorhombique">Orthorhombique</a> </td> </tr> <tr> <th scope="row"><a href="/wiki/Couleur" title="Couleur">Couleur</a> </th> <td>Métallique argentée </td> </tr> <tr> <th scope="row"><a href="/wiki/Point_de_fusion" title="Point de fusion">Point de fusion</a> </th> <td><span title="1 191,2 °F ou 917,2 K">644 </span><abbr class="abbr" title="degré Celsius">°C</abbr><sup id="cite_ref-HandbookChemPhys90_3-1" class="reference"><a href="#cite_note-HandbookChemPhys90-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup> </td> </tr> <tr> <th scope="row"><a href="/wiki/Point_d%27%C3%A9bullition" title="Point d'ébullition">Point d’ébullition</a> </th> <td><span title="7 231,7 °F ou 4 273 K ou 8,849 278 738 8E−20 J">3 999,85 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> </tr> <tr> <th scope="row"><a href="/wiki/%C3%89nergie_de_fusion" class="mw-disambig" title="Énergie de fusion">Énergie de fusion</a> </th> <td><span class="nowrap"><span title="0,053 790 573 522 246 eV ou 1 240,44 cal(th)·mol⁻¹">5,19</span> <span title="kilojoule">kJ</span>·<span title="Mole">mol</span><sup>-1</sup></span> </td> </tr> <tr> <th scope="row"><a href="/wiki/%C3%89nergie_de_vaporisation" title="Énergie de vaporisation">Énergie de vaporisation</a> </th> <td><span class="nowrap"><span title="3,482 395 511 266 8 eV ou 80 305,93 cal(th)·mol⁻¹">336</span> <span title="kilojoule">kJ</span>·<span title="Mole">mol</span><sup>-1</sup></span> </td> </tr> <tr> <th scope="row"><a href="/wiki/Volume_molaire" title="Volume molaire">Volume molaire</a> </th> <td><span class="nowrap"><span title="">11,59</span>×10<sup class="exposant">-6</sup> <span title="mètre">m</span><sup>3</sup>·<span title="Mole">mol</span><sup>-1</sup></span> </td> </tr> <tr> <th scope="row"><a href="/wiki/Capacit%C3%A9_thermique_massique" title="Capacité thermique massique">Chaleur massique</a> </th> <td><span class="nowrap"><span title="">29,46</span> <span title="joule">J</span>·<span title="Kilogramme">kg</span><sup>-1</sup>·<span title="Kelvin">K</span><sup>-1</sup></span> </td> </tr> <tr> <th scope="row"><a href="/wiki/Conductivit%C3%A9_%C3%A9lectrique" title="Conductivité électrique">Conductivité électrique</a> </th> <td><span class="nowrap"><span title="">0,822</span>×10<sup class="exposant">6</sup> <span title="Siemens">S</span>·<span title="mètre">m</span><sup>-1</sup></span> </td> </tr> <tr> <th scope="row"><a href="/wiki/Conductivit%C3%A9_thermique" title="Conductivité thermique">Conductivité thermique</a> </th> <td><span class="nowrap"><span title="">6,3</span> <span title="Watt">W</span>·<span title="mètre">m</span><sup>-1</sup>·<span title="Kelvin">K</span><sup>-1</sup></span> </td> </tr> <tr> <th colspan="2" style="padding:4px; text-align:center; background-color:#F9C; color:#000000">Divers</th></tr> <tr> <th scope="row"><a href="/wiki/Num%C3%A9ro_CAS" title="Numéro CAS"><abbr class="abbr" title="Numéro">N<sup>o</sup></abbr> CAS</a> </th> <td><span class="reflink plainlinksneverexpand"><span class="noarchive"><a class="external text" href="//tools.wmflabs.org/magnustools/cas.php?cas=7439-99-8&language=fr&title=Neptunium">7439-99-8</a></span></span> </td> </tr> <tr> <th scope="row"> <a href="/wiki/Agence_europ%C3%A9enne_des_produits_chimiques" title="Agence européenne des produits chimiques"><abbr class="abbr" title="Numéro">N<sup>o</sup></abbr> ECHA</a> </th> <td><span class="plainlinks"><span class="noarchive"><a rel="nofollow" class="external text" href="http://echa.europa.eu/fr/substance-information/-/substanceinfo/100.028.280">100.028.280</a></span></span></td> </tr> <tr> <th colspan="2" style="padding:4px; text-align:center; background-color:#F9C; color:#000000">Précautions</th></tr> <tr><td colspan="2" style="text-align:center;"><span typeof="mw:File"><a href="/wiki/Fichier:Radiation_warning_symbol.svg" class="mw-file-description" title="Élément radioactif"><img alt="Élément radioactif" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Radiation_warning_symbol.svg/75px-Radiation_warning_symbol.svg.png" decoding="async" width="75" height="75" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Radiation_warning_symbol.svg/113px-Radiation_warning_symbol.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Radiation_warning_symbol.svg/150px-Radiation_warning_symbol.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span><br /><a href="/wiki/Radioisotope" title="Radioisotope">Radioélément</a> à activité notable</td> </tr><tr> <td colspan="2"><hr style="height:2px; background-color:#F9C;" /></td></tr> <tr> <td colspan="2" style="text-align:center;"><small><i>Unités du <a href="/wiki/Syst%C3%A8me_international_d%27unit%C3%A9s" title="Système international d'unités">SI</a> & <a href="/wiki/Conditions_normales_de_temp%C3%A9rature_et_de_pression" title="Conditions normales de température et de pression">CNTP</a>, sauf indication contraire.</i></small></td> </tr><tr> <td class="navigation-only" colspan="2" style="border-top: 2px #F9C solid; font-size: 80%; background:inherit; text-align: right;"><span class="plainlinks" style="float:left;"><a class="external text" href="https://fr.wikipedia.org/w/index.php?title=Neptunium&action=edit&section=0"><span class="infodoc">modifier</span></a></span> <span typeof="mw:File"><a href="/wiki/Mod%C3%A8le:Infobox_%C3%89l%C3%A9ment/Neptunium" title="Consultez la documentation du modèle"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Info_Simple.svg/12px-Info_Simple.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Info_Simple.svg/18px-Info_Simple.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/38/Info_Simple.svg/24px-Info_Simple.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span></td> </tr> </tbody></table> <p>Le <b>neptunium</b> est un <a href="/wiki/%C3%89l%C3%A9ment_chimique" title="Élément chimique">élément chimique</a> de synthèse de symbole <b>Np</b> et de <a href="/wiki/Num%C3%A9ro_atomique" title="Numéro atomique">numéro atomique</a> 93. </p><p>Élément <a href="/wiki/M%C3%A9tal" title="Métal">métallique</a> <a href="/wiki/Radioactivit%C3%A9" title="Radioactivité">radioactif</a>, le neptunium est <i>le premier des <a href="/wiki/Transuranien" title="Transuranien">transuraniens</a></i> et appartient à la <a href="/wiki/Famille_d%27%C3%A9l%C3%A9ments_chimiques" title="Famille d'éléments chimiques">famille</a> des <b><a href="/wiki/Actinide" title="Actinide">actinides</a></b>. Son isotope le plus stable, le <a href="/wiki/Neptunium_237" title="Neptunium 237">neptunium 237</a>, est produit dans les réacteurs nucléaires. On le trouve aussi sous forme de traces dans le minerai d'<a href="/wiki/Uranium" title="Uranium">uranium</a>. </p><p>Il fut découvert en 1940 à l'Université de Californie. Comme il vient après l'uranium dans le <a href="/wiki/Tableau_p%C3%A9riodique_des_%C3%A9l%C3%A9ments" title="Tableau périodique des éléments">tableau périodique</a>, il fut baptisé en référence à la planète <a href="/wiki/Neptune_(plan%C3%A8te)" title="Neptune (planète)">Neptune</a>, qui vient après <a href="/wiki/Uranus_(plan%C3%A8te)" title="Uranus (planète)">Uranus</a> dans le <a href="/wiki/Syst%C3%A8me_solaire" title="Système solaire">système solaire</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Historique">Historique</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Neptunium&veaction=edit&section=1" title="Modifier la section : Historique" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Neptunium&action=edit&section=1" title="Modifier le code source de la section : Historique"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Le neptunium fut découvert par <a href="/wiki/Edwin_McMillan" title="Edwin McMillan">Edwin McMillan</a> et <a href="/wiki/Philip_Abelson" title="Philip Abelson">Philip Abelson</a> en <a href="/wiki/1940" title="1940">1940</a>. La découverte a été faite au Berkeley Radiation Laboratory de l'<a href="/wiki/Universit%C3%A9_de_Californie_%C3%A0_Berkeley" title="Université de Californie à Berkeley">université de Californie à Berkeley</a>, où l'équipe produisit l'isotope 239 du neptunium, d'une <a href="/wiki/Demi-vie" title="Demi-vie">demi-vie</a> de 2,4 jours, en bombardant de l'<a href="/wiki/Uranium_238" title="Uranium 238">uranium 238</a> avec des <a href="/wiki/Neutron" title="Neutron">neutrons</a>. C'est l'étape intermédiaire menant à la production du <a href="/wiki/Plutonium_239" title="Plutonium 239">plutonium 239</a>. </p><p>Il est baptisé en référence à la planète <a href="/wiki/Neptune_(plan%C3%A8te)" title="Neptune (planète)">Neptune</a>, possédant des propriétés chimiques analogues à celles de l'<a href="/wiki/Uranium" title="Uranium">uranium</a>, précédemment baptisé du nom de la planète <a href="/wiki/Uranus_(plan%C3%A8te)" title="Uranus (planète)">Uranus</a> qui précède Neptune dans le <a href="/wiki/Syst%C3%A8me_solaire" title="Système solaire">Système solaire</a><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite_crochet">[</span>4<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite_crochet">[</span>5<span class="cite_crochet">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Propriétés_chimiques"><span id="Propri.C3.A9t.C3.A9s_chimiques"></span>Propriétés chimiques</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Neptunium&veaction=edit&section=2" title="Modifier la section : Propriétés chimiques" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Neptunium&action=edit&section=2" title="Modifier le code source de la section : Propriétés chimiques"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fichier:Np_ox_st.jpg" class="mw-file-description"><img alt="Cinq tubes à essais contenant du neptunium sous différents degrés d’oxydation." src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Np_ox_st.jpg/220px-Np_ox_st.jpg" decoding="async" width="220" height="154" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Np_ox_st.jpg/330px-Np_ox_st.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Np_ox_st.jpg/440px-Np_ox_st.jpg 2x" data-file-width="468" data-file-height="328" /></a><figcaption>Neptunium sous différents degrés d'oxydation.</figcaption></figure> <p>Le neptunium est préparé sous sa forme métallique par <a href="/wiki/R%C3%A9duction_(chimie)" class="mw-redirect" title="Réduction (chimie)">réduction</a> du composé NpF<sub>3</sub> dans des vapeurs de <a href="/wiki/Lithium" title="Lithium">lithium</a> ou de <a href="/wiki/Baryum" title="Baryum">baryum</a> à <span title="2 192 °F ou 1 473,2 K">1 200 </span><abbr class="abbr" title="degré Celsius">°C</abbr>. D'apparence argentée, le métal est chimiquement assez réactif, et il présente au moins 3 structures <a href="/wiki/Allotropique" class="mw-redirect" title="Allotropique">allotropiques</a> : </p> <ul><li>L'alpha-neptunium (à température ambiante), <a href="/wiki/Syst%C3%A8me_cristallin_orthorhombique" title="Système cristallin orthorhombique">orthorhombique</a>, <a href="/wiki/Densit%C3%A9" title="Densité">densité</a> : 20,25 ;</li> <li>Le bêta-neptunium (au-dessus de <span title="536 °F ou 553,2 K">280 </span><abbr class="abbr" title="degré Celsius">°C</abbr>), tétragonal, densité (à <span title="595,4 °F ou 586,2 K">313 </span><abbr class="abbr" title="degré Celsius">°C</abbr>) : 19,36 ;</li> <li>Le gamma-neptunium (au-dessus de <span title="1 070,6 °F ou 850,2 K">577 </span><abbr class="abbr" title="degré Celsius">°C</abbr>), <a href="/wiki/Syst%C3%A8me_cristallin_cubique" title="Système cristallin cubique">cubique</a>, densité (à <span title="1 112 °F ou 873,2 K">600 </span><abbr class="abbr" title="degré Celsius">°C</abbr>) : 18,00.</li></ul> <p>Le neptunium forme des composés <a href="/wiki/Halog%C3%A9nure" title="Halogénure">halogénures</a> tels que NpF<sub>3</sub>, NpF<sub>4</sub>, NpCl<sub>4</sub>, NpBr<sub>3</sub>, NpI<sub>3</sub>. Il forme également des <a href="/wiki/Oxyde" title="Oxyde">oxydes</a> de <a href="/wiki/Valence_(chimie)" title="Valence (chimie)">valences</a> similaires aux <span class="page_h"><a href="/wiki/Oxyde_d%27uranium" class="mw-disambig" title="Oxyde d'uranium">oxydes d'uranium</a></span>, en particulier Np<sub>3</sub>O<sub>8</sub> et NpO<sub>2</sub>. </p><p>En milieu aqueux, cet élément peut se trouver sous quatre degrés d'oxydation : </p> <ul><li>Np<sup>3+</sup> : <a href="/wiki/Nombre_d%27oxydation" title="Nombre d'oxydation">n.o.</a> = +3 (pourpre pâle), analogue à l'ion rare <a href="/wiki/Prom%C3%A9thium" title="Prométhium">Pm</a><sup>3+</sup> ;</li></ul> <ul><li>Np<sup>4+</sup> : n.o. = +4 (jaune-vert) ;</li></ul> <ul><li>NpO<sub>2</sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sup>+</sup> : n.o. = +5 (bleu-vert) ;</li></ul> <ul><li>NpO<sub>2</sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sup>2+</sup> : n.o. = +6 (rose pâle).</li></ul> <div class="mw-heading mw-heading2"><h2 id="Isotopes">Isotopes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Neptunium&veaction=edit&section=3" title="Modifier la section : Isotopes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Neptunium&action=edit&section=3" title="Modifier le code source de la section : Isotopes"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="bandeau-container bandeau-section metadata bandeau-niveau-information"><div class="bandeau-cell bandeau-icone-css loupe">Article détaillé : <a href="/wiki/Isotopes_du_neptunium" title="Isotopes du neptunium">Isotopes du neptunium</a>.</div></div> <p>20 <a href="/wiki/Radioisotope" title="Radioisotope">radioisotopes</a> du neptunium ont été identifiés. Le plus stable est le <a href="/wiki/Neptunium_237" title="Neptunium 237"><sup>237</sup>Np</a> avec une demi-vie de 2,14 millions d'années, tandis que le <sup>236</sup>Np a une demi-vie de 154 000 ans, et le <sup>235</sup>Np de 396,1 jours. La demi-vie de tous les autres isotopes est inférieure à 4,5 jours, et dans la majorité des cas inférieure à 50 minutes. </p><p>Le <a href="/wiki/Masse_atomique" title="Masse atomique">poids atomique</a> des isotopes du neptunium, va de 225,0339 <a href="/wiki/Unit%C3%A9_de_masse_atomique_unifi%C3%A9e" title="Unité de masse atomique unifiée">u</a> pour le <sup>225</sup>Np jusqu'à 244,068 u pour le <sup>244</sup>Np. </p> <div class="mw-heading mw-heading2"><h2 id="Applications_militaires">Applications militaires</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Neptunium&veaction=edit&section=4" title="Modifier la section : Applications militaires" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Neptunium&action=edit&section=4" title="Modifier le code source de la section : Applications militaires"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fichier:Np_sphere.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Np_sphere.jpg/380px-Np_sphere.jpg" decoding="async" width="380" height="241" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/0/03/Np_sphere.jpg 1.5x" data-file-width="466" data-file-height="296" /></a><figcaption>Sphère de neptunium plaquée de <a href="/wiki/Nickel" title="Nickel">nickel</a> ayant été utilisée pour déterminer la <a href="/wiki/Masse_critique_(r%C3%A9action_nucl%C3%A9aire)" title="Masse critique (réaction nucléaire)">masse critique</a> du neptunium au <a href="/wiki/Laboratoire_national_de_Los_Alamos" title="Laboratoire national de Los Alamos">laboratoire de Los Alamos</a>.</figcaption></figure> <p>Le neptunium 236 est fissile en neutron thermique, la <a href="/wiki/Section_efficace" title="Section efficace">section efficace</a> de fission est voisine de 2 800 barns (selon le HBPC) soit donc une valeur assez élevée. </p><p>Le <a href="/wiki/Neptunium_237" title="Neptunium 237">neptunium 237</a> est faiblement fissile en neutrons thermiques, la section efficace de fission est de 19 millibarns suivant le HBPC ; la section efficace de fission en neutrons de forte énergie est sans doute plus élevée. Le neptunium 237 peut donc théoriquement être utilisé comme combustible dans un réacteur ou pour fabriquer un système d'arme à fission. Cette information a été rendue publique par l'US DOE en 1992<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite_crochet">[</span>6<span class="cite_crochet">]</span></a></sup>. L'utilisation effective de neptunium pour réaliser une arme n'est cependant pas établie à ce jour. </p><p>En <time class="nowrap" datetime="2002-09" data-sort-value="2002-09">septembre 2002</time>, des chercheurs de l'Université de Californie (Laboratoire National de Los Alamos) travaillant pour un projet d'armes de destruction massive américaines, ont indiqué qu'un mélange de neptunium 237 et d'<a href="/wiki/Uranium" title="Uranium">uranium</a> enrichi pouvait permettre la fabrication d'une arme à fission avec une quantité moindre de neptunium 237 qu'antérieurement imaginé. On peut noter que l'uranium 233 (fissile) a 4 nucléons de moins que le neptunium 237. </p><p>Il s'agit là de la première masse critique nucléaire fondée sur l'usage du <a href="/wiki/Neptunium_237" title="Neptunium 237">neptunium 237</a>, mélangé à de l'uranium enrichi, plutôt que du <a href="/wiki/Plutonium" title="Plutonium">plutonium</a> ou de l'<a href="/wiki/Uranium" title="Uranium">uranium</a>. </p><p>Le neptunium 237 est considéré comme pouvant potentiellement contribuer à la prolifération des armes nucléaires et la protection des matières séparée est renforcée. </p><p>Le neptunium 237 est l'<a href="/wiki/Actinide" title="Actinide">actinide mineur</a> prépondérant produit par les réacteurs à eau légère (présent à raison de 45 % des noyaux d'actinides mineurs dans le combustible irradié). </p> <div class="mw-heading mw-heading2"><h2 id="Notes_et_références"><span id="Notes_et_r.C3.A9f.C3.A9rences"></span>Notes et références</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Neptunium&veaction=edit&section=5" title="Modifier la section : Notes et références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Neptunium&action=edit&section=5" title="Modifier le code source de la section : Notes et références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small decimal" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink noprint"><a href="#cite_ref-1">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Beatriz_Cordero,_Verónica_Gómez,_Ana_E._Platero-Prats,_Marc_Revés,_Jorge_Echeverría,_Eduard_Cremades,_Flavia_Barragán_et_Santiago_Alvarez2008"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <span class="nom_auteur">Beatriz Cordero, Verónica Gómez, Ana E. Platero-Prats, Marc Revés, Jorge Echeverría, Eduard Cremades, Flavia Barragán et Santiago Alvarez</span>, « <cite style="font-style:normal" lang="en">Covalent radii revisited</cite> », <i><span class="lang-en" lang="en">Dalton Transactions</span></i>,‎ <time>2008</time>, <abbr class="abbr" title="pages">p.</abbr> <span class="nowrap">2832 - 2838</span> <small style="line-height:1em;">(<a href="/wiki/Digital_Object_Identifier" title="Digital Object Identifier">DOI</a> <span class="plainlinks noarchive nowrap"><a rel="nofollow" class="external text" href="https://dx.doi.org/10.1039/b801115j">10.1039/b801115j</a></span>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Covalent+radii+revisited&rft.jtitle=Dalton+Transactions&rft.aulast=Beatriz+Cordero%2C+Ver%C3%B3nica+G%C3%B3mez%2C+Ana+E.+Platero-Prats%2C+Marc+Rev%C3%A9s%2C+Jorge+Echeverr%C3%ADa%2C+Eduard+Cremades%2C+Flavia+Barrag%C3%A1n+et+Santiago+Alvarez&rft.date=2008&rft.pages=2832+-+2838&rft_id=info%3Adoi%2F10.1039%2Fb801115j&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ANeptunium"></span></span></span> </li> <li id="cite_note-CRC_Handbook_of_Chemistry_and_Physics-2"><span class="mw-cite-backlink noprint"><a href="#cite_ref-CRC_Handbook_of_Chemistry_and_Physics_2-0">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Lide2009"><span class="ouvrage" id="David_R._Lide2009"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> David R. Lide, <cite class="italique" lang="en">CRC Handbook of Chemistry and Physics</cite>, CRC, <time>2009</time>, <abbr class="abbr" title="quatre-vingt-neuvième">89<sup>e</sup></abbr> <abbr class="abbr" title="édition">éd.</abbr>, <abbr class="abbr" title="pages">p.</abbr> <span class="nowrap">10-203</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=CRC+Handbook+of+Chemistry+and+Physics&rft.pub=CRC&rft.edition=89&rft.aulast=Lide&rft.aufirst=David+R.&rft.date=2009&rft.pages=10-203&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ANeptunium"></span></span></span></span> </li> <li id="cite_note-HandbookChemPhys90-3"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-HandbookChemPhys90_3-0">a</a> et <a href="#cite_ref-HandbookChemPhys90_3-1">b</a></sup> </span><span class="reference-text"><span class="ouvrage" id="Lide2009"><span class="ouvrage" id="David_R._Lide2009"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> David R. Lide, <cite class="italique" lang="en">CRC Handbook of Chemistry and Physics</cite>, CRC Press Inc, <time>2009</time>, <abbr class="abbr" title="quatre-vingt-dixième">90<sup>e</sup></abbr> <abbr class="abbr" title="édition">éd.</abbr>, 2804 <abbr class="abbr" title="pages">p.</abbr>, Relié <small style="line-height:1em;">(<a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Sp%C3%A9cial:Ouvrages_de_r%C3%A9f%C3%A9rence/978-1-420-09084-0" title="Spécial:Ouvrages de référence/978-1-420-09084-0"><span class="nowrap">978-1-420-09084-0</span></a>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=CRC+Handbook+of+Chemistry+and+Physics&rft.pub=CRC+Press+Inc&rft.edition=90&rft.aulast=Lide&rft.aufirst=David+R.&rft.date=2009&rft.tpages=2804&rft.isbn=978-1-420-09084-0&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ANeptunium"></span></span></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink noprint"><a href="#cite_ref-4">↑</a> </span><span class="reference-text"><span class="ouvrage" id="RadvanyiBordry1984"><span class="ouvrage" id="Pierre_RadvanyiMonique_Bordry1984">Pierre Radvanyi et Monique Bordry, <cite class="italique">La radioactivité artificielle et son histoire</cite>, Seuil, <time>1984</time>, 241 <abbr class="abbr" title="pages">p.</abbr> <small style="line-height:1em;">(<a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Sp%C3%A9cial:Ouvrages_de_r%C3%A9f%C3%A9rence/9782020068352" title="Spécial:Ouvrages de référence/9782020068352"><span class="nowrap">9782020068352</span></a>, <a rel="nofollow" class="external text" href="https://www.google.fr/books/edition/La_radioactivit%C3%A9_artificielle_et_son_hi/FjYgAQAAIAAJ?hl=fr&gbpv=1&bsq=%22neptunium%22+ET+%22uranium%22+ET+%22plan%C3%A8te%22&dq=%22neptunium%22+ET+%22uranium%22+ET+%22plan%C3%A8te%22&printsec=frontcover">lire en ligne</a>)</small>, <abbr class="abbr" title="page">p.</abbr> 158<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=La+radioactivit%C3%A9+artificielle+et+son+histoire&rft.pub=Seuil&rft.aulast=Radvanyi&rft.aufirst=Pierre&rft.au=Monique+Bordry&rft.date=1984&rft.pages=158&rft.tpages=241&rft.isbn=9782020068352&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ANeptunium"></span></span></span>.</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink noprint"><a href="#cite_ref-5">↑</a> </span><span class="reference-text"><span class="ouvrage" id="PAGÈS_:_directeur_de_recherche_au_C.N.R.S.,_directeur_du_laboratoire_Curie"><span class="ouvrage" id="Monique_PAGÈS_:_directeur_de_recherche_au_C.N.R.S.,_directeur_du_laboratoire_Curie">Monique PAGÈS : directeur de recherche au C.N.R.S., directeur du laboratoire Curie, « <a rel="nofollow" class="external text" href="https://www.universalis.fr/encyclopedie/neptunium/"><cite style="font-style:normal;">Neptunium</cite></a> », sur <span class="italique">Encyclopaedia Universalis</span></span></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink noprint"><a href="#cite_ref-6">↑</a> </span><span class="reference-text"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <a rel="nofollow" class="external text" href="http://www.fas.org/sgp/othergov/doe/rdd-7.html"><i>Restricted data declassification decisions 1946 to the present.</i></a></span> </li> </ol></div> </div> <div class="mw-heading mw-heading2"><h2 id="Voir_aussi">Voir aussi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Neptunium&veaction=edit&section=6" title="Modifier la section : Voir aussi" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Neptunium&action=edit&section=6" title="Modifier le code source de la section : Voir aussi"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r194021218">.mw-parser-output .autres-projets>.titre{text-align:center;margin:0.2em 0}.mw-parser-output .autres-projets>ul{margin:0;padding:0}.mw-parser-output .autres-projets>ul>li{list-style:none;margin:0.2em 0;text-indent:0;padding-left:24px;min-height:20px;text-align:left;display:block}.mw-parser-output .autres-projets>ul>li>a{font-style:italic}@media(max-width:720px){.mw-parser-output .autres-projets{float:none}}</style><div class="autres-projets boite-grise boite-a-droite noprint js-interprojets"> <p class="titre">Sur les autres projets Wikimedia :</p> <ul class="noarchive plainlinks"> <li class="commons"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Neptunium?uselang=fr">Neptunium</a>, sur <span class="project">Wikimedia Commons</span></li><li class="wiktionary"><a href="https://fr.wiktionary.org/wiki/neptunium" class="extiw" title="wikt:neptunium">neptunium</a>, <span class="nowrap">sur le <span class="project">Wiktionnaire</span></span></li> </ul> </div> <div class="mw-heading mw-heading3"><h3 id="Articles_connexes">Articles connexes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Neptunium&veaction=edit&section=7" title="Modifier la section : Articles connexes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Neptunium&action=edit&section=7" title="Modifier le code source de la section : Articles connexes"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Neptunium_237" title="Neptunium 237">Neptunium 237</a></li></ul> <div class="mw-heading mw-heading3"><h3 id="Liens_externes">Liens externes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Neptunium&veaction=edit&section=8" title="Modifier la section : Liens externes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Neptunium&action=edit&section=8" title="Modifier le code source de la section : Liens externes"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="ouvrage"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> « <a rel="nofollow" class="external text" href="http://www.periodictable.com/Elements/093/data.html"><cite style="font-style:normal;" lang="en">Technical data for Neptunium</cite></a> » <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2016-08-11" data-sort-value="2016-08-11">11 août 2016</time>)</small></span>, avec en sous-pages les données connues pour chaque isotope.</li></ul> <div class="clear" style="clear:both;"></div><p><br /> </p><table style="background:none; padding:0; border-collapse:collapse; text-align:center" align="center"> <tbody><tr> <td width="15">  </td> <td width="23"><a href="/wiki/Groupe_1_du_tableau_p%C3%A9riodique" title="Groupe 1 du tableau périodique">1</a> </td> <td width="23"><a href="/wiki/Groupe_2_du_tableau_p%C3%A9riodique" title="Groupe 2 du tableau périodique">2</a> </td> <td width="10">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23">  </td> <td width="23"><a href="/wiki/Groupe_3_du_tableau_p%C3%A9riodique" title="Groupe 3 du tableau périodique">3</a> </td> <td width="23"><a href="/wiki/Groupe_4_du_tableau_p%C3%A9riodique" title="Groupe 4 du tableau périodique">4</a> </td> <td width="23"><a href="/wiki/Groupe_5_du_tableau_p%C3%A9riodique" title="Groupe 5 du tableau périodique">5</a> </td> <td width="23"><a href="/wiki/Groupe_6_du_tableau_p%C3%A9riodique" title="Groupe 6 du tableau périodique">6</a> </td> <td width="23"><a href="/wiki/Groupe_7_du_tableau_p%C3%A9riodique" title="Groupe 7 du tableau périodique">7</a> </td> <td width="23"><a href="/wiki/Groupe_8_du_tableau_p%C3%A9riodique" title="Groupe 8 du tableau périodique">8</a> </td> <td width="23"><a href="/wiki/Groupe_9_du_tableau_p%C3%A9riodique" title="Groupe 9 du tableau périodique">9</a> </td> <td width="23"><a href="/wiki/Groupe_10_du_tableau_p%C3%A9riodique" title="Groupe 10 du tableau périodique">10</a> </td> <td width="23"><a href="/wiki/Groupe_11_du_tableau_p%C3%A9riodique" title="Groupe 11 du tableau périodique">11</a> </td> <td width="23"><a href="/wiki/Groupe_12_du_tableau_p%C3%A9riodique" title="Groupe 12 du tableau périodique">12</a> </td> <td width="23"><a href="/wiki/Groupe_13_du_tableau_p%C3%A9riodique" title="Groupe 13 du tableau périodique">13</a> </td> <td width="23"><a href="/wiki/Groupe_14_du_tableau_p%C3%A9riodique" title="Groupe 14 du tableau périodique">14</a> </td> <td width="23"><a href="/wiki/Pnictog%C3%A8ne" title="Pnictogène">15</a> </td> <td width="23"><a href="/wiki/Chalcog%C3%A8ne" title="Chalcogène">16</a> </td> <td width="23"><a href="/wiki/Groupe_17_du_tableau_p%C3%A9riodique" title="Groupe 17 du tableau périodique">17</a> </td> <td width="23"><a href="/wiki/Groupe_18_du_tableau_p%C3%A9riodique" title="Groupe 18 du tableau périodique">18</a> </td></tr> <tr> <td><a href="/wiki/P%C3%A9riode_1_du_tableau_p%C3%A9riodique" title="Période 1 du tableau périodique">1</a>  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#A0FFA0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Hydrog%C3%A8ne" title="Hydrogène"> H </a> </td> <td>  </td> <td colspan="30">  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#C0E8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/H%C3%A9lium" title="Hélium"> He </a> </td></tr> <tr> <td><a href="/wiki/P%C3%A9riode_2_du_tableau_p%C3%A9riodique" title="Période 2 du tableau périodique">2</a>  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F66;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Lithium" title="Lithium"> Li </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F6CFA1;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/B%C3%A9ryllium" title="Béryllium"> Be </a> </td> <td colspan="25">  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CC9;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Bore" title="Bore"> B </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#A0FFA0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Carbone" title="Carbone"> C </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#A0FFA0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Azote" title="Azote"> N </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#A0FFA0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Oxyg%C3%A8ne" title="Oxygène"> O </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FF9;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Fluor" title="Fluor"> F </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#C0E8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/N%C3%A9on" title="Néon"> Ne </a> </td></tr> <tr> <td><a href="/wiki/P%C3%A9riode_3_du_tableau_p%C3%A9riodique" title="Période 3 du tableau périodique">3</a>  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F66;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Sodium" title="Sodium"> Na </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F6CFA1;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Magn%C3%A9sium" title="Magnésium"> Mg </a> </td> <td colspan="25">  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CCC;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Aluminium" title="Aluminium"> Al </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CC9;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Silicium" title="Silicium"> Si </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#A0FFA0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Phosphore" title="Phosphore"> P </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#A0FFA0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Soufre" title="Soufre"> S </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FF9;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Chlore" title="Chlore"> Cl </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#C0E8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Argon" title="Argon"> Ar </a> </td></tr> <tr> <td><a href="/wiki/P%C3%A9riode_4_du_tableau_p%C3%A9riodique" title="Période 4 du tableau périodique">4</a>  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F66;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Potassium" title="Potassium"> K </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F6CFA1;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Calcium" title="Calcium"> Ca </a> </td> <td colspan="15">  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Scandium" title="Scandium"> Sc </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Titane" title="Titane"> Ti </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Vanadium" title="Vanadium"> V </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Chrome" title="Chrome"> Cr </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Mangan%C3%A8se" title="Manganèse"> Mn </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Fer" title="Fer"> Fe </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Cobalt" title="Cobalt"> Co </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Nickel" title="Nickel"> Ni </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Cuivre" title="Cuivre"> Cu </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CCC;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Zinc" title="Zinc"> Zn </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CCC;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Gallium" title="Gallium"> Ga </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CC9;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Germanium" title="Germanium"> Ge </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CC9;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Arsenic" title="Arsenic"> As </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#A0FFA0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/S%C3%A9l%C3%A9nium" title="Sélénium"> Se </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FF9;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Brome" title="Brome"> Br </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#C0E8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Krypton" title="Krypton"> Kr </a> </td></tr> <tr> <td><a href="/wiki/P%C3%A9riode_5_du_tableau_p%C3%A9riodique" title="Période 5 du tableau périodique">5</a>  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F66;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Rubidium" title="Rubidium"> Rb </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F6CFA1;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Strontium" title="Strontium"> Sr </a> </td> <td colspan="15">  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Yttrium" title="Yttrium"> Y </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Zirconium" title="Zirconium"> Zr </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Niobium" title="Niobium"> Nb </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Molybd%C3%A8ne" title="Molybdène"> Mo </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Techn%C3%A9tium" title="Technétium"> Tc </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Ruth%C3%A9nium" title="Ruthénium"> Ru </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Rhodium" title="Rhodium"> Rh </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Palladium" title="Palladium"> Pd </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Argent" title="Argent"> Ag </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CCC;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Cadmium" title="Cadmium"> Cd </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CCC;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Indium" title="Indium"> In </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CCC;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/%C3%89tain" title="Étain"> Sn </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CC9;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Antimoine" title="Antimoine"> Sb </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CC9;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Tellure" title="Tellure"> Te </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FF9;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Iode" title="Iode"> I </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#C0E8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/X%C3%A9non" title="Xénon"> Xe </a> </td></tr> <tr> <td><a href="/wiki/P%C3%A9riode_6_du_tableau_p%C3%A9riodique" title="Période 6 du tableau périodique">6</a>  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F66;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/C%C3%A9sium" title="Césium"> Cs </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F6CFA1;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Baryum" title="Baryum"> Ba </a> </td> <td>  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Lanthane" title="Lanthane"> La </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/C%C3%A9rium" title="Cérium"> Ce </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Pras%C3%A9odyme" title="Praséodyme"> Pr </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/N%C3%A9odyme" title="Néodyme"> Nd </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Prom%C3%A9thium" title="Prométhium"> Pm </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Samarium" title="Samarium"> Sm </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Europium" title="Europium"> Eu </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Gadolinium" title="Gadolinium"> Gd </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Terbium" title="Terbium"> Tb </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Dysprosium" title="Dysprosium"> Dy </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Holmium" title="Holmium"> Ho </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Erbium" title="Erbium"> Er </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Thulium" title="Thulium"> Tm </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Ytterbium" title="Ytterbium"> Yb </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FBF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Lut%C3%A9cium" title="Lutécium"> Lu </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Hafnium" title="Hafnium"> Hf </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Tantale_(chimie)" title="Tantale (chimie)"> Ta </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Tungst%C3%A8ne" title="Tungstène"> W </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Rh%C3%A9nium" title="Rhénium"> Re </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Osmium" title="Osmium"> Os </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Iridium" title="Iridium"> Ir </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Platine" title="Platine"> Pt </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Or" title="Or"> Au </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CCC;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Mercure_(chimie)" title="Mercure (chimie)"> Hg </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CCC;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Thallium" title="Thallium"> Tl </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CCC;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Plomb" title="Plomb"> Pb </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CCC;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Bismuth" title="Bismuth"> Bi </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CCC;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Polonium" title="Polonium"> Po </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#CC9;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Astate" title="Astate"> At </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#C0E8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Radon" title="Radon"> Rn </a> </td></tr> <tr> <td><a href="/wiki/P%C3%A9riode_7_du_tableau_p%C3%A9riodique" title="Période 7 du tableau périodique">7</a>  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F66;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Francium" title="Francium"> Fr </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F6CFA1;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Radium" title="Radium"> Ra </a> </td> <td>  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Actinium" title="Actinium"> Ac </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Thorium" title="Thorium"> Th </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Protactinium" title="Protactinium"> Pa </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Uranium" title="Uranium"> U </a> </td> <td style="text-align:center;border:2px solid dimgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a class="mw-selflink selflink"> Np </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Plutonium" title="Plutonium"> Pu </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Am%C3%A9ricium" title="Américium"> Am </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Curium" title="Curium"> Cm </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Berk%C3%A9lium" title="Berkélium"> Bk </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Californium" title="Californium"> Cf </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Einsteinium" title="Einsteinium"> Es </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Fermium" title="Fermium"> Fm </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Mend%C3%A9l%C3%A9vium" title="Mendélévium"> Md </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Nob%C3%A9lium" title="Nobélium"> No </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Lawrencium" title="Lawrencium"> Lr </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Rutherfordium" title="Rutherfordium"> Rf </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Dubnium" title="Dubnium"> Db </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Seaborgium" title="Seaborgium"> Sg </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Bohrium" title="Bohrium"> Bh </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Hassium" title="Hassium"> Hs </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F7F8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Meitn%C3%A9rium" title="Meitnérium"> Mt </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F7F8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Darmstadtium" title="Darmstadtium"> Ds </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F7F8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Roentgenium" title="Roentgenium"> Rg </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FFC0C0;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Copernicium" title="Copernicium"> Cn </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F7F8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Nihonium" title="Nihonium"> Nh </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F7F8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Fl%C3%A9rovium" title="Flérovium"> Fl </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F7F8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Moscovium" title="Moscovium"> Mc </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F7F8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Livermorium" title="Livermorium"> Lv </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F7F8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Tennesse" title="Tennesse"> Ts </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F7F8FF;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Oganesson" title="Oganesson"> Og </a> </td></tr> <tr> <td><a href="/wiki/P%C3%A9riode_8_du_tableau_p%C3%A9riodique" title="Période 8 du tableau périodique">8</a>  </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F7F8FF;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Ununennium" title="Ununennium"> 119 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#F7F8FF;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unbinilium" title="Unbinilium"> 120 </a> </td> <td>* </td> <td colspan="22">  </td> <td colspan="8">  </td></tr> <tr align="center"> <td colspan="3">  </td> <td>* </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unbiunium" title="Unbiunium"> 121 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unbibium" title="Unbibium"> 122 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unbitrium" title="Unbitrium"> 123 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unbiquadium" title="Unbiquadium"> 124 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unbipentium" title="Unbipentium"> 125 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unbihexium" title="Unbihexium"> 126 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unbiseptium" title="Unbiseptium"> 127 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unbioctium" title="Unbioctium"> 128 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unbiennium" title="Unbiennium"> 129 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Untrinilium" title="Untrinilium"> 130 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Untriunium" title="Untriunium"> 131 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Untribium" title="Untribium"> 132 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Untritrium" title="Untritrium"> 133 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Untriquadium" title="Untriquadium"> 134 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Untripentium" title="Untripentium"> 135 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Untrihexium" title="Untrihexium"> 136 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Untriseptium" title="Untriseptium"> 137 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Untrioctium" title="Untrioctium"> 138 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Untriennium" title="Untriennium"> 139 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unquadnilium" title="Unquadnilium"> 140 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unquadunium" title="Unquadunium"> 141 </a> </td> <td style="text-align:center;border:1px solid darkgrey;background-color:#FEE;font-size:85%;" width="{{{width}}}%"><a href="/wiki/Unquadbium" title="Unquadbium"> 142 </a> </td> <td colspan="8">  </td></tr></tbody></table><p><br /> </p><table border="0" cellpadding="1" style="margin:2px auto;font-size:85%;line-heignt:normal;background:none;border-collapse:collapse;"> <tbody><tr> <td rowspan="3" style="padding:1px .25em;width:74px;text-align:center;border:1px solid #AAA;background:#F66"><a href="/wiki/M%C3%A9tal_alcalin" title="Métal alcalin">Métaux alcalins</a> </td> <td rowspan="3" style="padding:1px .25em;width:74px;text-align:center;border:1px solid #AAA;background:#F6CFA1"><a href="/wiki/M%C3%A9tal_alcalino-terreux" title="Métal alcalino-terreux">Métaux alcalino-terreux</a> </td> <td style="padding:1px .25em;width:72px;text-align:center;border:1px solid darkgrey;background-color:#FBF"><a href="/wiki/Lanthanide" title="Lanthanide">Lanthanides</a> </td> <td rowspan="3" style="padding:1px .25em;width:74px;text-align:center;border:1px solid #AAA;background:#FFC0C0"><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métaux de transition</a> </td> <td rowspan="3" style="padding:1px .25em;width:74px;text-align:center;border:1px solid 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