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class="vector-toc-link" href="#Applications"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Applications</span> </div> </a> <ul id="toc-Applications-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Rôle_biologique" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Rôle_biologique"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Rôle biologique</span> </div> </a> <ul id="toc-Rôle_biologique-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Étymologie" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Étymologie"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Étymologie</span> </div> </a> <ul id="toc-Étymologie-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">Métal alcalino-terreux</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 104 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-104" 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">104 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/Aardalkalimetaal" title="Aardalkalimetaal – afrikaans" lang="af" hreflang="af" data-title="Aardalkalimetaal" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Alcalinoterrio" title="Alcalinoterrio – aragonais" lang="an" hreflang="an" data-title="Alcalinoterrio" data-language-autonym="Aragonés" data-language-local-name="aragonais" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%81%D9%84%D8%B2_%D9%82%D9%84%D9%88%D9%8A_%D8%AA%D8%B1%D8%A7%D8%A8%D9%8A" title="فلز قلوي ترابي – arabe" lang="ar" hreflang="ar" data-title="فلز قلوي ترابي" data-language-autonym="العربية" data-language-local-name="arabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Alcalinoterreu" title="Alcalinoterreu – asturien" lang="ast" hreflang="ast" data-title="Alcalinoterreu" 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/Q%C9%99l%C9%99vi_torpaq_metallar%C4%B1" title="Qələvi torpaq metalları – azerbaïdjanais" lang="az" hreflang="az" data-title="Qələvi torpaq metalları" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaïdjanais" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Logam_alkali_tanah" title="Logam alkali tanah – balinais" lang="ban" hreflang="ban" data-title="Logam alkali tanah" 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%A8%D1%87%D0%BE%D0%BB%D0%B0%D1%87%D0%BD%D0%B0%D0%B7%D1%8F%D0%BC%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D1%8F_%D0%BC%D0%B5%D1%82%D0%B0%D0%BB%D1%8B" title="Шчолачназямельныя металы – biélorusse" lang="be" hreflang="be" data-title="Шчолачназямельныя металы" 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%9B%D1%83%D0%B6%D0%BD%D0%B0%D0%B7%D1%8F%D0%BC%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D1%8F_%D0%BC%D1%8D%D1%82%D0%B0%D0%BB%D1%8B" title="Лужназямельныя мэталы – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Лужназямельныя мэталы" 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%90%D0%BB%D0%BA%D0%B0%D0%BB%D0%BE%D0%B7%D0%B5%D0%BC%D0%B5%D0%BD_%D0%BC%D0%B5%D1%82%D0%B0%D0%BB" title="Алкалоземен метал – bulgare" lang="bg" hreflang="bg" data-title="Алкалоземен метал" 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%8F%E0%A4%B2%E0%A5%8D%E0%A4%95%E0%A4%B2%E0%A4%BE%E0%A4%87%E0%A4%A8_%E0%A4%AE%E0%A4%9F%E0%A4%BF%E0%A4%AF%E0%A4%BE_%E0%A4%A7%E0%A4%BE%E0%A4%A4%E0%A5%81" title="एल्कलाइन मटिया धातु – Bhojpuri" lang="bh" hreflang="bh" data-title="एल्कलाइन मटिया धातु" 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%AE%E0%A7%83%E0%A7%8E%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%BE%E0%A6%B0_%E0%A6%A7%E0%A6%BE%E0%A6%A4%E0%A7%81" title="মৃৎক্ষার ধাতু – bengali" lang="bn" hreflang="bn" data-title="মৃৎক্ষার ধাতু" 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%A6%E0%BD%BA%E0%BC%8B%E0%BD%A2%E0%BD%B4%E0%BD%A3%E0%BC%8B%E0%BD%85%E0%BD%93%E0%BC%8B%E0%BD%82%E0%BE%B1%E0%BD%B2%E0%BC%8B%E0%BD%A3%E0%BE%95%E0%BD%82%E0%BD%A6%E0%BC%8B%E0%BD%A2%E0%BD%B2%E0%BD%82%E0%BD%A6%E0%BC%8D" title="སེ་རུལ་ཅན་གྱི་ལྕགས་རིགས། – tibétain" lang="bo" hreflang="bo" data-title="སེ་རུལ་ཅན་གྱི་ལྕགས་རིགས།" 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-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Zemnoalkalni_metali" title="Zemnoalkalni metali – bosniaque" lang="bs" hreflang="bs" data-title="Zemnoalkalni metali" 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/Alcalinoterri" title="Alcalinoterri – catalan" lang="ca" hreflang="ca" data-title="Alcalinoterri" 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/Gi%C4%95ng-t%C5%AB_g%C4%ADng-s%E1%B9%B3%CC%86k" title="Giĕng-tū gĭng-sṳ̆k – Mindong" lang="cdo" hreflang="cdo" data-title="Giĕng-tū gĭng-sṳ̆k" 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-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Kovy_alkalick%C3%BDch_zemin" title="Kovy alkalických zemin – tchèque" lang="cs" hreflang="cs" data-title="Kovy alkalických zemin" 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%A1%C4%95%D0%BB%D1%82%C4%95%D0%BB%D0%BB%D0%B5-%C3%A7%C4%95%D1%80%D0%BB%D0%B5_%D0%BC%D0%B5%D1%82%D0%B0%D0%BB%D0%BB" title="Сĕлтĕлле-çĕрле металл – tchouvache" lang="cv" hreflang="cv" data-title="Сĕлтĕлле-çĕрле металл" 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/Metel_daear_alcal%C3%AFaidd" title="Metel daear alcalïaidd – gallois" lang="cy" hreflang="cy" data-title="Metel daear alcalïaidd" 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/Jordalkalimetal" title="Jordalkalimetal – danois" lang="da" hreflang="da" data-title="Jordalkalimetal" 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/Erdalkalimetalle" title="Erdalkalimetalle – allemand" lang="de" hreflang="de" data-title="Erdalkalimetalle" 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%91%CE%BB%CE%BA%CE%B1%CE%BB%CE%B9%CE%BA%CE%AD%CF%82_%CE%B3%CE%B1%CE%AF%CE%B5%CF%82" title="Αλκαλικές γαίες – grec" lang="el" hreflang="el" data-title="Αλκαλικές γαίες" data-language-autonym="Ελληνικά" data-language-local-name="grec" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Alkaline_earth_metal" title="Alkaline earth metal – anglais" lang="en" hreflang="en" data-title="Alkaline earth metal" 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/Teralkala_metalo" title="Teralkala metalo – espéranto" lang="eo" hreflang="eo" data-title="Teralkala metalo" 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/Alcalinot%C3%A9rreos" title="Alcalinotérreos – espagnol" lang="es" hreflang="es" data-title="Alcalinotérreos" 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/Leelismuldmetallid" title="Leelismuldmetallid – estonien" lang="et" hreflang="et" data-title="Leelismuldmetallid" 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/Metal_lurralkalino" title="Metal lurralkalino – basque" lang="eu" hreflang="eu" data-title="Metal lurralkalino" 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%81%D9%84%D8%B2%D9%87%D8%A7%DB%8C_%D9%82%D9%84%DB%8C%D8%A7%DB%8C%DB%8C_%D8%AE%D8%A7%DA%A9%DB%8C" title="فلزهای قلیایی خاکی – persan" lang="fa" hreflang="fa" data-title="فلزهای قلیایی خاکی" data-language-autonym="فارسی" data-language-local-name="persan" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Maa-alkalimetalli" title="Maa-alkalimetalli – finnois" lang="fi" hreflang="fi" data-title="Maa-alkalimetalli" data-language-autonym="Suomi" data-language-local-name="finnois" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Eerdalkaalimetal" title="Eerdalkaalimetal – frison septentrional" lang="frr" hreflang="frr" data-title="Eerdalkaalimetal" data-language-autonym="Nordfriisk" data-language-local-name="frison septentrional" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Ierdalkalymetaal" title="Ierdalkalymetaal – frison occidental" lang="fy" hreflang="fy" data-title="Ierdalkalymetaal" data-language-autonym="Frysk" data-language-local-name="frison occidental" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Miotail_Chr%C3%A9-Alcaileacha-Gr%C3%BApa_2" title="Miotail Chré-Alcaileacha-Grúpa 2 – irlandais" lang="ga" hreflang="ga" data-title="Miotail Chré-Alcaileacha-Grúpa 2" data-language-autonym="Gaeilge" data-language-local-name="irlandais" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E9%B9%BC%E5%9C%9F%E9%87%91%E5%B1%AC" title="鹼土金屬 – gan" lang="gan" hreflang="gan" data-title="鹼土金屬" data-language-autonym="贛語" data-language-local-name="gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Alcalinot%C3%A9rreo" title="Alcalinotérreo – galicien" lang="gl" hreflang="gl" data-title="Alcalinotérreo" 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%86%E0%AA%B2%E0%AB%8D%E0%AA%95%E0%AB%8D%E0%AA%B2%E0%AA%BE%E0%AA%87%E0%AA%A8_%E0%AA%AA%E0%AA%BE%E0%AA%B0%E0%AB%8D%E0%AA%A5%E0%AA%BF%E0%AA%B5_%E0%AA%A7%E0%AA%BE%E0%AA%A4%E0%AB%81" title="આલ્ક્લાઇન પાર્થિવ ધાતુ – goudjarati" lang="gu" hreflang="gu" data-title="આલ્ક્લાઇન પાર્થિવ ધાતુ" data-language-autonym="ગુજરાતી" data-language-local-name="goudjarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/K%C3%A1n-th%C3%BA_k%C3%AEm-su%CC%8Dk" title="Kán-thú kîm-su̍k – hakka" lang="hak" hreflang="hak" data-title="Kán-thú kîm-su̍k" 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%9E%D7%AA%D7%9B%D7%AA_%D7%90%D7%9C%D7%A7%D7%9C%D7%99%D7%AA_%D7%A2%D7%A4%D7%A8%D7%95%D7%A8%D7%99%D7%AA" title="מתכת אלקלית עפרורית – hébreu" lang="he" hreflang="he" data-title="מתכת אלקלית עפרורית" 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%95%E0%A5%8D%E0%A4%B7%E0%A4%BE%E0%A4%B0%E0%A5%80%E0%A4%AF_%E0%A4%AE%E0%A5%83%E0%A4%A6%E0%A4%BE_%E0%A4%A7%E0%A4%BE%E0%A4%A4%E0%A5%81" title="क्षारीय मृदा धातु – hindi" lang="hi" hreflang="hi" data-title="क्षारीय मृदा धातु" 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/Khaara_matti_dhaatu" title="Khaara matti dhaatu – hindi fidjien" lang="hif" hreflang="hif" data-title="Khaara matti dhaatu" 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/Zemnoalkalijski_metali" title="Zemnoalkalijski metali – croate" lang="hr" hreflang="hr" data-title="Zemnoalkalijski metali" 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/Metal_alkaline-tere" title="Metal alkaline-tere – créole haïtien" lang="ht" hreflang="ht" data-title="Metal alkaline-tere" 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/Alk%C3%A1lif%C3%B6ldf%C3%A9mek" title="Alkáliföldfémek – hongrois" lang="hu" hreflang="hu" data-title="Alkáliföldfémek" 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%80%D5%B8%D5%B2%D5%A1%D5%AC%D5%AF%D5%A1%D5%AC%D5%AB%D5%A1%D5%AF%D5%A1%D5%B6_%D5%B4%D5%A5%D5%BF%D5%A1%D5%B2%D5%B6%D5%A5%D6%80" title="Հողալկալիական մետաղներ – arménien" lang="hy" hreflang="hy" data-title="Հողալկալիական մետաղներ" 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/Metallo_alcalin_terrose" title="Metallo alcalin terrose – interlingua" lang="ia" hreflang="ia" data-title="Metallo alcalin terrose" 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/Logam_alkali_tanah" title="Logam alkali tanah – indonésien" lang="id" hreflang="id" data-title="Logam alkali tanah" 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/Teralkala_metalo" title="Teralkala metalo – ido" lang="io" hreflang="io" data-title="Teralkala metalo" 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/Jar%C3%B0alkal%C3%ADm%C3%A1lmur" title="Jarðalkalímálmur – islandais" lang="is" hreflang="is" data-title="Jarðalkalímálmur" 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/Metalli_alcalino_terrosi" title="Metalli alcalino terrosi – italien" lang="it" hreflang="it" data-title="Metalli alcalino terrosi" 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/%E7%AC%AC2%E6%97%8F%E5%85%83%E7%B4%A0" title="第2族元素 – japonais" lang="ja" hreflang="ja" data-title="第2族元素" 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/mlijilkle" title="mlijilkle – lojban" lang="jbo" hreflang="jbo" data-title="mlijilkle" 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/Alkali_tanah" title="Alkali tanah – javanais" lang="jv" hreflang="jv" data-title="Alkali tanah" 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%A2%E1%83%A3%E1%83%A2%E1%83%94%E1%83%9B%E1%83%98%E1%83%AC%E1%83%90_%E1%83%9A%E1%83%98%E1%83%97%E1%83%9D%E1%83%9C%E1%83%94%E1%83%91%E1%83%98" title="ტუტემიწა ლითონები – géorgien" lang="ka" hreflang="ka" data-title="ტუტემიწა ლითონები" data-language-autonym="ქართული" data-language-local-name="géorgien" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A1%D1%96%D0%BB%D1%82%D1%96%D0%BB%D1%96%D0%BA_%D0%B6%D0%B5%D1%80_%D0%BC%D0%B5%D1%82%D0%B0%D0%BB%D0%B4%D0%B0%D1%80" title="Сілтілік жер металдар – kazakh" lang="kk" hreflang="kk" data-title="Сілтілік жер металдар" data-language-autonym="Қазақша" data-language-local-name="kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%95%8C%EC%B9%BC%EB%A6%AC_%ED%86%A0%EA%B8%88%EC%86%8D" title="알칼리 토금속 – coréen" lang="ko" hreflang="ko" data-title="알칼리 토금속" data-language-autonym="한국어" data-language-local-name="coréen" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Metalla_alcalica_terrena" title="Metalla alcalica terrena – latin" lang="la" hreflang="la" data-title="Metalla alcalica terrena" data-language-autonym="Latina" data-language-local-name="latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Aerdalkalimetaal" title="Aerdalkalimetaal – limbourgeois" lang="li" hreflang="li" data-title="Aerdalkalimetaal" data-language-autonym="Limburgs" data-language-local-name="limbourgeois" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Metall_alcalin-terros" title="Metall alcalin-terros – lombard" lang="lmo" hreflang="lmo" data-title="Metall alcalin-terros" data-language-autonym="Lombard" data-language-local-name="lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/%C5%A0arminiai_%C5%BEem%C4%97s_metalai" title="Šarminiai žemės metalai – lituanien" lang="lt" hreflang="lt" data-title="Šarminiai žemės metalai" 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/S%C4%81rmzemju_met%C4%81li" title="Sārmzemju metāli – letton" lang="lv" hreflang="lv" data-title="Sārmzemju metāli" 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%97%D0%B5%D0%BC%D0%BD%D0%BE%D0%B0%D0%BB%D0%BA%D0%B0%D0%BB%D0%B5%D0%BD_%D0%BC%D0%B5%D1%82%D0%B0%D0%BB" title="Земноалкален метал – macédonien" lang="mk" hreflang="mk" data-title="Земноалкален метал" 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%95%E0%B5%8D%E0%B4%B7%E0%B4%BE%E0%B4%B0%E0%B5%80%E0%B4%AF%E0%B4%AE%E0%B5%83%E0%B4%A4%E0%B5%8D%E0%B4%A4%E0%B4%BF%E0%B4%95%E0%B4%BE%E0%B4%B2%E0%B5%8B%E0%B4%B9%E0%B4%99%E0%B5%8D%E0%B4%99%E0%B5%BE" title="ക്ഷാരീയമൃത്തികാലോഹങ്ങൾ – malayalam" lang="ml" hreflang="ml" data-title="ക്ഷാരീയമൃത്തികാലോഹങ്ങൾ" 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%93%D0%B0%D0%B7%D1%80%D1%8B%D0%BD_%D1%88%D2%AF%D0%BB%D1%82%D0%B8%D0%B9%D0%BD_%D0%BC%D0%B5%D1%82%D0%B0%D0%BB%D0%BB" title="Газрын шүлтийн металл – mongol" lang="mn" hreflang="mn" data-title="Газрын шүлтийн металл" 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%85%E0%A4%B2%E0%A5%8D%E0%A4%95%E0%A4%AE%E0%A5%83%E0%A4%A6%E0%A4%BE_%E0%A4%A7%E0%A4%BE%E0%A4%A4%E0%A5%82" title="अल्कमृदा धातू – marathi" lang="mr" hreflang="mr" data-title="अल्कमृदा धातू" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Logam_alkali_bumi" title="Logam alkali bumi – malais" lang="ms" hreflang="ms" data-title="Logam alkali bumi" 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%A1%E1%80%9A%E1%80%BA%E1%80%9C%E1%80%BA%E1%80%80%E1%80%AC%E1%80%9C%E1%80%AE_%E1%80%99%E1%80%BC%E1%80%B1%E1%80%9E%E1%80%90%E1%80%B9%E1%80%90%E1%80%AF" title="အယ်လ်ကာလီ မြေသတ္တု – birman" lang="my" hreflang="my" data-title="အယ်လ်ကာလီ မြေသတ္တု" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birman" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Eerdalkalimetall" title="Eerdalkalimetall – bas-allemand" lang="nds" hreflang="nds" data-title="Eerdalkalimetall" 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%8F%E0%A4%B2%E0%A5%8D%E0%A4%95%E0%A4%BE%E0%A4%B2%E0%A4%BE%E0%A4%87%E0%A4%A8_%E0%A4%9A%E0%A4%BE_%E0%A4%A7%E0%A4%BE%E0%A4%A4%E0%A5%81" title="एल्कालाइन चा धातु – newari" lang="new" hreflang="new" data-title="एल्कालाइन चा धातु" 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/Aardalkalimetaal" title="Aardalkalimetaal – néerlandais" lang="nl" hreflang="nl" data-title="Aardalkalimetaal" 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/Jordalkalimetall" title="Jordalkalimetall – norvégien nynorsk" lang="nn" hreflang="nn" data-title="Jordalkalimetall" 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/Jordalkalimetall" title="Jordalkalimetall – norvégien bokmål" lang="nb" hreflang="nb" data-title="Jordalkalimetall" 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/Metau_alcalinoterr%C3%B3s" title="Metau alcalinoterrós – occitan" lang="oc" hreflang="oc" data-title="Metau alcalinoterrós" data-language-autonym="Occitan" data-language-local-name="occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%96%E0%A8%BC%E0%A8%BE%E0%A8%B0%E0%A9%80_%E0%A8%AD%E0%A9%8C%E0%A8%82_%E0%A8%A7%E0%A8%BE%E0%A8%A4" title="ਖ਼ਾਰੀ ਭੌਂ ਧਾਤ – pendjabi" lang="pa" hreflang="pa" data-title="ਖ਼ਾਰੀ ਭੌਂ ਧਾਤ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="pendjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Berylowce" title="Berylowce – polonais" lang="pl" hreflang="pl" data-title="Berylowce" data-language-autonym="Polski" data-language-local-name="polonais" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Metal_alcalinoterroso" title="Metal alcalinoterroso – portugais" lang="pt" hreflang="pt" data-title="Metal alcalinoterroso" 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/Allpa_alkali_q%27illay" title="Allpa alkali q'illay – quechua" lang="qu" hreflang="qu" data-title="Allpa alkali q'illay" 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/Metal_alcalino-p%C4%83m%C3%A2ntos" title="Metal alcalino-pământos – roumain" lang="ro" hreflang="ro" data-title="Metal alcalino-pământos" data-language-autonym="Română" data-language-local-name="roumain" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A9%D1%91%D0%BB%D0%BE%D1%87%D0%BD%D0%BE%D0%B7%D0%B5%D0%BC%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5_%D0%BC%D0%B5%D1%82%D0%B0%D0%BB%D0%BB%D1%8B" title="Щёлочноземельные металлы – russe" lang="ru" hreflang="ru" data-title="Щёлочноземельные металлы" data-language-autonym="Русский" data-language-local-name="russe" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%97%D0%B5%D0%BC%D0%BD%D0%BE%D0%B0%D0%BB%D0%BA%D0%B0%D0%BB%D0%BD%D1%8B_%D0%BC%D0%B5%D1%82%D0%B0%D0%BB%D1%8B" title="Земноалкалны металы – ruthène" lang="rue" hreflang="rue" data-title="Земноалкалны металы" data-language-autonym="Русиньскый" data-language-local-name="ruthène" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%A1%D0%BE%D0%BB%D0%BE%D1%85_%D1%81%D0%B8%D1%80_%D0%BC%D0%B5%D1%82%D0%B0%D0%BB" title="Солох сир метал – iakoute" lang="sah" hreflang="sah" data-title="Солох сир метал" 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-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Alkaline_yird_metal" title="Alkaline yird metal – écossais" lang="sco" hreflang="sco" data-title="Alkaline yird metal" data-language-autonym="Scots" data-language-local-name="écossais" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Zemnoalkalijski_metali" title="Zemnoalkalijski metali – serbo-croate" lang="sh" hreflang="sh" data-title="Zemnoalkalijski metali" 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-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%9A%E0%B7%8A%E0%B7%82%E0%B7%8F%E0%B6%BB%E0%B7%93%E0%B6%BA_%E0%B6%B4%E0%B7%8F%E0%B6%82%E0%B7%81%E0%B7%94_%E0%B6%BD%E0%B7%9D%E0%B7%84" title="ක්ෂාරීය පාංශු ලෝහ – cingalais" lang="si" hreflang="si" data-title="ක්ෂාරීය පාංශු ලෝහ" data-language-autonym="සිංහල" data-language-local-name="cingalais" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Alkaline_earth_metal" title="Alkaline earth metal – Simple English" lang="en-simple" hreflang="en-simple" data-title="Alkaline earth metal" 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/Kov_alkalick%C3%BDch_zem%C3%ADn" title="Kov alkalických zemín – slovaque" lang="sk" hreflang="sk" data-title="Kov alkalických zemín" 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/Zemljoalkalijska_kovina" title="Zemljoalkalijska kovina – slovène" lang="sl" hreflang="sl" data-title="Zemljoalkalijska kovina" data-language-autonym="Slovenščina" data-language-local-name="slovène" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Macdin_dhuleed_ah" title="Macdin dhuleed ah – somali" lang="so" hreflang="so" data-title="Macdin dhuleed ah" data-language-autonym="Soomaaliga" data-language-local-name="somali" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Grupi_i_dyt%C3%AB_i_elementeve_kimike" title="Grupi i dytë i elementeve kimike – albanais" lang="sq" hreflang="sq" data-title="Grupi i dytë i elementeve kimike" 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%97%D0%B5%D0%BC%D0%BD%D0%BE%D0%B0%D0%BB%D0%BA%D0%B0%D0%BB%D0%BD%D0%B8_%D0%BC%D0%B5%D1%82%D0%B0%D0%BB" title="Земноалкални метал – serbe" lang="sr" hreflang="sr" data-title="Земноалкални метал" 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-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Logam_alkali_taneuh" title="Logam alkali taneuh – soundanais" lang="su" hreflang="su" data-title="Logam alkali taneuh" data-language-autonym="Sunda" data-language-local-name="soundanais" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Alkalisk_jordartsmetall" title="Alkalisk jordartsmetall – suédois" lang="sv" hreflang="sv" data-title="Alkalisk jordartsmetall" 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/Metali_za_udongo_alikalini" title="Metali za udongo alikalini – swahili" lang="sw" hreflang="sw" data-title="Metali za udongo alikalini" 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%95%E0%AE%BE%E0%AE%B0%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%A9%E0%AE%BF%E0%AE%AE_%E0%AE%AE%E0%AE%BE%E0%AE%B4%E0%AF%88%E0%AE%95%E0%AE%B3%E0%AF%8D" title="காரக்கனிம மாழைகள் – tamoul" lang="ta" hreflang="ta" data-title="காரக்கனிம மாழைகள்" 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%95%E0%B1%8D%E0%B0%B7%E0%B0%BE%E0%B0%B0%E0%B0%AE%E0%B1%83%E0%B0%A4%E0%B1%8D%E0%B0%A4%E0%B0%BF%E0%B0%95_%E0%B0%B2%E0%B1%8B%E0%B0%B9%E0%B0%AE%E0%B1%81" title="క్షారమృత్తిక లోహము – télougou" lang="te" hreflang="te" data-title="క్షారమృత్తిక లోహము" data-language-autonym="తెలుగు" data-language-local-name="télougou" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%82%E0%B8%A5%E0%B8%AB%E0%B8%B0%E0%B9%81%E0%B8%AD%E0%B8%A5%E0%B8%84%E0%B8%B2%E0%B9%84%E0%B8%A5%E0%B8%99%E0%B9%8C%E0%B9%80%E0%B8%AD%E0%B8%B4%E0%B8%A3%E0%B9%8C%E0%B8%97" title="โลหะแอลคาไลน์เอิร์ท – thaï" lang="th" hreflang="th" data-title="โลหะแอลคาไลน์เอิร์ท" data-language-autonym="ไทย" data-language-local-name="thaï" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Toprak_alkali_metal" title="Toprak alkali metal – turc" lang="tr" hreflang="tr" data-title="Toprak alkali metal" data-language-autonym="Türkçe" data-language-local-name="turc" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9B%D1%83%D0%B6%D0%BD%D0%BE%D0%B7%D0%B5%D0%BC%D0%B5%D0%BB%D1%8C%D0%BD%D1%96_%D0%BC%D0%B5%D1%82%D0%B0%D0%BB%D0%B8" title="Лужноземельні метали – ukrainien" lang="uk" hreflang="uk" data-title="Лужноземельні метали" data-language-autonym="Українська" data-language-local-name="ukrainien" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Ishqoriy-yer_metallar" title="Ishqoriy-yer metallar – ouzbek" lang="uz" hreflang="uz" data-title="Ishqoriy-yer metallar" 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-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Kim_lo%E1%BA%A1i_ki%E1%BB%81m_th%E1%BB%95" title="Kim loại kiềm thổ – vietnamien" lang="vi" hreflang="vi" data-title="Kim loại kiềm thổ" 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-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E7%A2%B1%E5%9C%9F%E9%87%91%E5%B1%9E" title="碱土金属 – wu" lang="wuu" hreflang="wuu" data-title="碱土金属" 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-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%90%D7%9C%D7%A7%D7%90%D7%9C%D7%99_%D7%A2%D7%A8%D7%93_%D7%9E%D7%A2%D7%98%D7%90%D7%9C" title="אלקאלי ערד מעטאל – yiddish" lang="yi" hreflang="yi" data-title="אלקאלי ערד מעטאל" data-language-autonym="ייִדיש" data-language-local-name="yiddish" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/M%E1%BA%B9%CC%81t%C3%A0l%C3%AC_alkal%C3%ADn%C3%AC_il%E1%BA%B9%CC%80" title="Mẹ́tàlì alkalínì ilẹ̀ – yoruba" lang="yo" hreflang="yo" data-title="Mẹ́tàlì alkalínì ilẹ̀" 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/%E7%A2%B1%E5%9C%9F%E9%87%91%E5%B1%9E" title="碱土金属 – chinois" lang="zh" hreflang="zh" data-title="碱土金属" 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%B9%BC%E5%9C%9F%E9%87%91%E5%B1%AC" title="鹼土金屬 – chinois littéraire" lang="lzh" hreflang="lzh" data-title="鹼土金屬" 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/Ki%E2%81%BF-th%C3%B3%CD%98_kim-sio%CC%8Dk" title="Kiⁿ-thó͘ kim-sio̍k – minnan" lang="nan" hreflang="nan" data-title="Kiⁿ-thó͘ kim-sio̍k" 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%B9%BC%E5%9C%9F%E9%87%91%E5%B1%AC" title="鹼土金屬 – cantonais" lang="yue" hreflang="yue" data-title="鹼土金屬" data-language-autonym="粵語" data-language-local-name="cantonais" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q19563#sitelinks-wikipedia" title="Modifier les 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<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"><table border="0" cellspacing="0" cellpadding="1" align="right" style="font-size:87%;line-height:1.6;margin:2px .5em;background:none;padding:0;border:none;border-collapse:collapse;text-align:center"> <tbody><tr> <td width="13">  </td> <td width="20"><a href="/wiki/Groupe_1_du_tableau_p%C3%A9riodique" title="Groupe 1 du tableau périodique">1</a> </td> <td width="20"><a href="/wiki/Groupe_2_du_tableau_p%C3%A9riodique" title="Groupe 2 du tableau périodique">2</a> </td> <td width="20"><a href="/wiki/Groupe_3_du_tableau_p%C3%A9riodique" title="Groupe 3 du tableau périodique">3</a> </td> <td width="20"><a href="/wiki/Groupe_4_du_tableau_p%C3%A9riodique" title="Groupe 4 du tableau périodique">4</a> </td> <td width="20"><a href="/wiki/Groupe_5_du_tableau_p%C3%A9riodique" title="Groupe 5 du tableau périodique">5</a> </td> <td width="20"><a href="/wiki/Groupe_6_du_tableau_p%C3%A9riodique" title="Groupe 6 du tableau périodique">6</a> </td> <td width="20"><a href="/wiki/Groupe_7_du_tableau_p%C3%A9riodique" title="Groupe 7 du tableau périodique">7</a> </td> <td width="20"><a href="/wiki/Groupe_8_du_tableau_p%C3%A9riodique" title="Groupe 8 du tableau périodique">8</a> </td> <td width="20"><a href="/wiki/Groupe_9_du_tableau_p%C3%A9riodique" title="Groupe 9 du tableau périodique">9</a> </td> <td width="20"><a href="/wiki/Groupe_10_du_tableau_p%C3%A9riodique" title="Groupe 10 du tableau périodique">10</a> </td> <td width="20"><a href="/wiki/Groupe_11_du_tableau_p%C3%A9riodique" title="Groupe 11 du tableau périodique">11</a> </td> <td width="20"><a href="/wiki/Groupe_12_du_tableau_p%C3%A9riodique" title="Groupe 12 du tableau périodique">12</a> </td> <td width="20"><a href="/wiki/Groupe_13_du_tableau_p%C3%A9riodique" title="Groupe 13 du tableau périodique">13</a> </td> <td width="20"><a href="/wiki/Groupe_14_du_tableau_p%C3%A9riodique" title="Groupe 14 du tableau périodique">14</a> </td> <td width="20"><a href="/wiki/Pnictog%C3%A8ne" title="Pnictogène">15</a> </td> <td width="20"><a href="/wiki/Chalcog%C3%A8ne" title="Chalcogène">16</a> </td> <td width="20"><a href="/wiki/Groupe_17_du_tableau_p%C3%A9riodique" title="Groupe 17 du tableau périodique">17</a> </td> <td width="20"><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="border:1px solid #AAA;font-family:serif;background:#A0FFA0"><a href="/wiki/Hydrog%C3%A8ne" title="Hydrogène">H</a> </td> <td colspan="16">  </td> <td style="border:1px solid #AAA;font-family:serif;background:#C0E8FF"><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="border:1px solid #AAA;font-family:serif;background:#F66"><a href="/wiki/Lithium" title="Lithium">Li</a> </td> <td style="border:2px solid #000;font-family:serif;background:#F6CFA1"><a href="/wiki/B%C3%A9ryllium" title="Béryllium">Be</a> </td> <td colspan="10">  </td> <td style="border:1px solid #AAA;font-family:serif;background:#CC9"><a href="/wiki/Bore" title="Bore">B</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#A0FFA0"><a href="/wiki/Carbone" title="Carbone">C</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#A0FFA0"><a href="/wiki/Azote" title="Azote">N</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#A0FFA0"><a href="/wiki/Oxyg%C3%A8ne" title="Oxygène">O</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FF9"><a href="/wiki/Fluor" title="Fluor">F</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#C0E8FF"><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="border:1px solid #AAA;font-family:serif;background:#F66"><a href="/wiki/Sodium" title="Sodium">Na</a> </td> <td style="border:2px solid #000;font-family:serif;background:#F6CFA1"><a href="/wiki/Magn%C3%A9sium" title="Magnésium">Mg</a> </td> <td colspan="10">  </td> <td style="border:1px solid #AAA;font-family:serif;background:#CCC"><a href="/wiki/Aluminium" title="Aluminium">Al</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CC9"><a href="/wiki/Silicium" title="Silicium">Si</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#A0FFA0"><a href="/wiki/Phosphore" title="Phosphore">P</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#A0FFA0"><a href="/wiki/Soufre" title="Soufre">S</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FF9"><a href="/wiki/Chlore" title="Chlore">Cl</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#C0E8FF"><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="border:1px solid #AAA;font-family:serif;background:#F66"><a href="/wiki/Potassium" title="Potassium">K</a> </td> <td style="border:2px solid #000;font-family:serif;background:#F6CFA1"><a href="/wiki/Calcium" title="Calcium">Ca</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Scandium" title="Scandium">Sc</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Titane" title="Titane">Ti</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Vanadium" title="Vanadium">V</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Chrome" title="Chrome">Cr</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Mangan%C3%A8se" title="Manganèse">Mn</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Fer" title="Fer">Fe</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Cobalt" title="Cobalt">Co</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Nickel" title="Nickel">Ni</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Cuivre" title="Cuivre">Cu</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CCC"><a href="/wiki/Zinc" title="Zinc">Zn</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CCC"><a href="/wiki/Gallium" title="Gallium">Ga</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CC9"><a href="/wiki/Germanium" title="Germanium">Ge</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CC9"><a href="/wiki/Arsenic" title="Arsenic">As</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#A0FFA0"><a href="/wiki/S%C3%A9l%C3%A9nium" title="Sélénium">Se</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FF9"><a href="/wiki/Brome" title="Brome">Br</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#C0E8FF"><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="border:1px solid #AAA;font-family:serif;background:#F66"><a href="/wiki/Rubidium" title="Rubidium">Rb</a> </td> <td style="border:2px solid #000;font-family:serif;background:#F6CFA1"><a href="/wiki/Strontium" title="Strontium">Sr</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Yttrium" title="Yttrium">Y</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Zirconium" title="Zirconium">Zr</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Niobium" title="Niobium">Nb</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Molybd%C3%A8ne" title="Molybdène">Mo</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Techn%C3%A9tium" title="Technétium">Tc</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Ruth%C3%A9nium" title="Ruthénium">Ru</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Rhodium" title="Rhodium">Rh</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Palladium" title="Palladium">Pd</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Argent" title="Argent">Ag</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CCC"><a href="/wiki/Cadmium" title="Cadmium">Cd</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CCC"><a href="/wiki/Indium" title="Indium">In</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CCC"><a href="/wiki/%C3%89tain" title="Étain">Sn</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CC9"><a href="/wiki/Antimoine" title="Antimoine">Sb</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CC9"><a href="/wiki/Tellure" title="Tellure">Te</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FF9"><a href="/wiki/Iode" title="Iode">I</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#C0E8FF"><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="border:1px solid #AAA;font-family:serif;background:#F66"><a href="/wiki/C%C3%A9sium" title="Césium">Cs</a> </td> <td style="border:2px solid #000;font-family:serif;background:#F6CFA1"><a href="/wiki/Baryum" title="Baryum">Ba</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF">* </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Hafnium" title="Hafnium">Hf</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Tantale_(chimie)" title="Tantale (chimie)">Ta</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Tungst%C3%A8ne" title="Tungstène">W</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Rh%C3%A9nium" title="Rhénium">Re</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Osmium" title="Osmium">Os</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Iridium" title="Iridium">Ir</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Platine" title="Platine">Pt</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Or" title="Or">Au</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CCC"><a href="/wiki/Mercure_(chimie)" title="Mercure (chimie)">Hg</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CCC"><a href="/wiki/Thallium" title="Thallium">Tl</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CCC"><a href="/wiki/Plomb" title="Plomb">Pb</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CCC"><a href="/wiki/Bismuth" title="Bismuth">Bi</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CCC"><a href="/wiki/Polonium" title="Polonium">Po</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CC9"><a href="/wiki/Astate" title="Astate">At</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#C0E8FF"><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="border:1px solid #AAA;font-family:serif;background:#F66"><a href="/wiki/Francium" title="Francium">Fr</a> </td> <td style="border:2px solid #000;font-family:serif;background:#F6CFA1"><a href="/wiki/Radium" title="Radium">Ra</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C">** </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Rutherfordium" title="Rutherfordium">Rf</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Dubnium" title="Dubnium">Db</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Seaborgium" title="Seaborgium">Sg</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Bohrium" title="Bohrium">Bh</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Hassium" title="Hassium">Hs</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Meitn%C3%A9rium" title="Meitnérium">Mt</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Darmstadtium" title="Darmstadtium">Ds</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Roentgenium" title="Roentgenium">Rg</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Copernicium" title="Copernicium">Cn</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Nihonium" title="Nihonium">Nh</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Fl%C3%A9rovium" title="Flérovium">Fl</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Moscovium" title="Moscovium">Mc</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Livermorium" title="Livermorium">Lv</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Tennesse" title="Tennesse">Ts</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F7F8FF"><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="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Ununennium" title="Ununennium">Uue</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unbinilium" title="Unbinilium">Ubn</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF;line-height:1">⁂ </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Untrihexium" title="Untrihexium">Uth</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Untriseptium" title="Untriseptium">Uts</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Untrioctium" title="Untrioctium">Uto</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Untriennium" title="Untriennium">Ute</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unquadnilium" title="Unquadnilium">Uqn</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unquadunium" title="Unquadunium">Uqu</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unquadbium" title="Unquadbium">Uqb</a> </td> <td colspan="8">  </td></tr> <tr style="line-height:1"> <td colspan="3"> </td> <td>↓</td> <td colspan="15">  </td></tr> <tr> <td colspan="3"> </td> <td>* </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Lanthane" title="Lanthane">La</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/C%C3%A9rium" title="Cérium">Ce</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Pras%C3%A9odyme" title="Praséodyme">Pr</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/N%C3%A9odyme" title="Néodyme">Nd</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Prom%C3%A9thium" title="Prométhium">Pm</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Samarium" title="Samarium">Sm</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Europium" title="Europium">Eu</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Gadolinium" title="Gadolinium">Gd</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Terbium" title="Terbium">Tb</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Dysprosium" title="Dysprosium">Dy</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Holmium" title="Holmium">Ho</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Erbium" title="Erbium">Er</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Thulium" title="Thulium">Tm</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Ytterbium" title="Ytterbium">Yb</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Lut%C3%A9cium" title="Lutécium">Lu</a> </td></tr> <tr> <td colspan="3"> </td> <td>** </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Actinium" title="Actinium">Ac</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Thorium" title="Thorium">Th</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Protactinium" title="Protactinium">Pa</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Uranium" title="Uranium">U</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Neptunium" title="Neptunium">Np</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Plutonium" title="Plutonium">Pu</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Am%C3%A9ricium" title="Américium">Am</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Curium" title="Curium">Cm</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Berk%C3%A9lium" title="Berkélium">Bk</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Californium" title="Californium">Cf</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Einsteinium" title="Einsteinium">Es</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Fermium" title="Fermium">Fm</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Mend%C3%A9l%C3%A9vium" title="Mendélévium">Md</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Nob%C3%A9lium" title="Nobélium">No</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Lawrencium" title="Lawrencium">Lr</a> </td></tr> <tr> <td colspan="3"> </td> <td>⁂ </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unbiunium" title="Unbiunium">Ubu</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unbibium" title="Unbibium">Ubb</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unbitrium" title="Unbitrium">Ubt</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unbiquadium" title="Unbiquadium">Ubq</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unbipentium" title="Unbipentium">Ubp</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unbihexium" title="Unbihexium">Ubh</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unbiseptium" title="Unbiseptium">Ubs</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unbioctium" title="Unbioctium">Ubo</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unbiennium" title="Unbiennium">Ube</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Untrinilium" title="Untrinilium">Utn</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Untriunium" title="Untriunium">Utu</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Untribium" title="Untribium">Utb</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Untritrium" title="Untritrium">Utt</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Untriquadium" title="Untriquadium">Utq</a> </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Untripentium" title="Untripentium">Utp</a> </td></tr> <tr> <td colspan="19" style="line-height:1">  </td></tr> <tr> <td>  </td> <td style="border:1px solid #AAA;font-family:serif;background:#F66"><a href="/wiki/Lithium" title="Lithium">Li</a> </td> <td colspan="8" style="font-size:110%;text-align:left"><a href="/wiki/M%C3%A9tal_alcalin" title="Métal alcalin">Métaux alcalins</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CCC"><a href="/wiki/Aluminium" title="Aluminium">Al</a> </td> <td colspan="8" style="font-size:110%;text-align:left"><a href="/wiki/M%C3%A9tal_pauvre" title="Métal pauvre">Métaux pauvres</a> </td></tr> <tr> <td>  </td> <td style="border:2px solid #000;font-family:serif;background:#F6CFA1"><a href="/wiki/B%C3%A9ryllium" title="Béryllium">Be</a> </td> <td colspan="8" style="font-size:110%;text-align:left"><a class="mw-selflink selflink">Métaux alcalino-terreux</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#CC9"><a href="/wiki/Bore" title="Bore">B</a> </td> <td colspan="8" style="font-size:110%;text-align:left"><a href="/wiki/M%C3%A9tallo%C3%AFde" title="Métalloïde">Métalloïdes</a> </td></tr> <tr> <td>  </td> <td style="border:1px solid #AAA;font-family:serif;background:#FBF"><a href="/wiki/Lanthane" title="Lanthane">La</a> </td> <td colspan="8" style="font-size:110%;text-align:left"><a href="/wiki/Lanthanide" title="Lanthanide">Lanthanides</a> </td> <td colspan="9" style="font-size:110%;text-align:left"><i><a href="/wiki/Non-m%C3%A9tal" title="Non-métal">Non-métaux</a> :</i> </td></tr> <tr> <td>  </td> <td style="border:1px solid #AAA;font-family:serif;background:#F9C"><a href="/wiki/Actinium" title="Actinium">Ac</a> </td> <td colspan="8" style="font-size:110%;text-align:left"><a href="/wiki/Actinide" title="Actinide">Actinides</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#A0FFA0"><a href="/wiki/Hydrog%C3%A8ne" title="Hydrogène">H</a> </td> <td colspan="8" style="font-size:110%;text-align:left">« <a href="/wiki/CHNOPS" title="CHNOPS">CHNOPS</a> » et <a href="/wiki/S%C3%A9l%C3%A9nium" title="Sélénium">sélénium</a> </td></tr> <tr> <td>  </td> <td style="border:1px solid #AAA;font-family:serif;background:#FFC0C0"><a href="/wiki/Scandium" title="Scandium">Sc</a> </td> <td colspan="8" style="font-size:110%;text-align:left"><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métaux de transition</a> </td> <td style="border:1px solid #AAA;font-family:serif;background:#FF9"><a href="/wiki/Fluor" title="Fluor">F</a> </td> <td colspan="8" style="font-size:110%;text-align:left"><a href="/wiki/Halog%C3%A8ne" title="Halogène">Halogènes</a> </td></tr> <tr> <td>  </td> <td style="border:1px solid #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Meitn%C3%A9rium" title="Meitnérium">Mt</a> </td> <td colspan="8" style="font-size:110%;text-align:left">Nature chimique inconnue </td> <td style="border:1px solid #AAA;font-family:serif;background:#C0E8FF"><a href="/wiki/H%C3%A9lium" title="Hélium">He</a> </td> <td colspan="8" style="font-size:110%;text-align:left"><a href="/wiki/Gaz_noble" title="Gaz noble">Gaz nobles</a> </td></tr> <tr> <td>  </td> <td style="border:1px dashed #AAA;font-family:serif;background:#F7F8FF"><a href="/wiki/Unbiunium" title="Unbiunium">Uue</a> </td> <td colspan="17" style="font-size:110%;text-align:left">Éléments hypothétiques (dont les <a href="/wiki/Superactinide" title="Superactinide">superactinides</a>) </td></tr></tbody></table> <p>Les <b>métaux alcalino-terreux</b> (ou <b>alcalinoterreux</b>)<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> sont une <a href="/wiki/Famille_d%27%C3%A9l%C3%A9ments_chimiques" title="Famille d'éléments chimiques">série</a> de six <a href="/wiki/%C3%89l%C3%A9ment_chimique" title="Élément chimique">éléments chimiques</a> du <a href="/wiki/Groupe_2_du_tableau_p%C3%A9riodique" title="Groupe 2 du tableau périodique"><abbr class="abbr" title="Deuxième">2<sup>e</sup></abbr> groupe</a> du <a href="/wiki/Tableau_p%C3%A9riodique_des_%C3%A9l%C3%A9ments" title="Tableau périodique des éléments">tableau périodique</a> : <a href="/wiki/B%C3%A9ryllium" title="Béryllium">béryllium</a> <sub>4</sub>Be, <a href="/wiki/Magn%C3%A9sium" title="Magnésium">magnésium</a> <sub>12</sub>Mg, <a href="/wiki/Calcium" title="Calcium">calcium</a> <sub>20</sub>Ca, <a href="/wiki/Strontium" title="Strontium">strontium</a> <sub>38</sub>Sr, <a href="/wiki/Baryum" title="Baryum">baryum</a> <sub>56</sub>Ba et <a href="/wiki/Radium" title="Radium">radium</a> <sub>88</sub>Ra. Leurs <a href="/wiki/Corps_simple" title="Corps simple">corps simples</a> respectifs sont blanc argenté, brillants, et chimiquement assez réactifs à température et pression ambiantes. Leur <a href="/wiki/Configuration_%C3%A9lectronique" title="Configuration électronique">configuration électronique</a> contient une <a href="/wiki/Sous-couche_%C3%A9lectronique" title="Sous-couche électronique">sous-couche</a> saturée avec deux <a href="/wiki/%C3%89lectron" title="Électron">électrons</a>, qu'ils perdent facilement pour former un <a href="/wiki/Cation" title="Cation">cation</a> divalent (<a href="/wiki/Nombre_d%27oxydation" title="Nombre d'oxydation">état d'oxydation</a> +2). </p><p>Le qualificatif terreux provient du substantif « terres » utilisé au début de la chimie pour désigner les <a href="/wiki/Oxyde" title="Oxyde">oxydes</a> infusibles au <a href="/wiki/Feu_(combustion)" class="mw-redirect" title="Feu (combustion)">feu</a> à basse température et dont la composition n’était pas connue avant l’avènement de l’<a href="/wiki/%C3%89lectrochimie" title="Électrochimie">électrochimie</a> : <a href="/wiki/Chaux_(mati%C3%A8re)" title="Chaux (matière)">chaux</a>, <a href="/wiki/Oxyde_de_baryum" title="Oxyde de baryum">baryte</a>, <a href="/wiki/Oxyde_de_magn%C3%A9sium" title="Oxyde de magnésium">magnésie</a>, <a href="/wiki/Oxyde_de_strontium" title="Oxyde de strontium">strontiane</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Propriétés"><span id="Propri.C3.A9t.C3.A9s"></span>Propriétés</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=M%C3%A9tal_alcalino-terreux&veaction=edit&section=1" title="Modifier la section : Propriétés" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=M%C3%A9tal_alcalino-terreux&action=edit&section=1" title="Modifier le code source de la section : Propriétés"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Les métaux alcalino-terreux sont caractérisés par un éclat argenté, une <a href="/wiki/Masse_volumique" title="Masse volumique">masse volumique</a> peu élevée, une <a href="/wiki/Temp%C3%A9rature_de_fusion" class="mw-redirect" title="Température de fusion">température de fusion</a> à peine supérieure à celles des <a href="/wiki/M%C3%A9tal_pauvre" title="Métal pauvre">métaux pauvres</a> (et une <a href="/wiki/Temp%C3%A9rature_d%27%C3%A9bullition" class="mw-redirect" title="Température d'ébullition">température d'ébullition</a> inférieure à certains d'entre eux), une grande <a href="/wiki/Mall%C3%A9abilit%C3%A9" title="Malléabilité">malléabilité</a>, ainsi qu'une certaine réactivité avec les <a href="/wiki/Halog%C3%A8ne" title="Halogène">halogènes</a>, conduisant à des <a href="/wiki/Sel_(chimie)" title="Sel (chimie)">sels</a> <a href="/wiki/Ion" title="Ion">ioniques</a> — à l'exception du <a href="/wiki/Chlorure_de_b%C3%A9ryllium" title="Chlorure de béryllium">chlorure de béryllium</a> BeCl<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>, qui est <a href="/wiki/Liaison_covalente" title="Liaison covalente">covalent</a> — ainsi qu'avec l'eau (hormis le béryllium), moins facilement cependant qu'avec les <a href="/wiki/M%C3%A9tal_alcalin" title="Métal alcalin">métaux alcalins</a>, pour former des <a href="/wiki/Hydroxyde" title="Hydroxyde">hydroxydes</a> fortement <a href="/wiki/Base_(chimie)" title="Base (chimie)">basiques</a>. La réactivité de ces éléments croît avec leur <a href="/wiki/Num%C3%A9ro_atomique" title="Numéro atomique">numéro atomique</a>. </p> <ul class="gallery mw-gallery-nolines"> <li class="gallerycaption">Apparence des six métaux alcalino-terreux</li> <li class="gallerybox" style="width: 125px"> <div class="thumb" style="width: 120px;"><span typeof="mw:File"><a href="/wiki/Fichier:Be-140g.jpg" class="mw-file-description" title="Béryllium."><img alt="Béryllium." src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Be-140g.jpg/100px-Be-140g.jpg" decoding="async" width="100" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Be-140g.jpg/150px-Be-140g.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Be-140g.jpg/200px-Be-140g.jpg 2x" data-file-width="750" data-file-height="900" /></a></span></div> <div class="gallerytext"> <a href="/wiki/B%C3%A9ryllium" title="Béryllium">Béryllium</a>.</div> </li> <li class="gallerybox" style="width: 125px"> <div class="thumb" style="width: 120px;"><span typeof="mw:File"><a href="/wiki/Fichier:CSIRO_ScienceImage_2893_Crystalised_magnesium.jpg" class="mw-file-description" title="Magnésium."><img alt="Magnésium." src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/CSIRO_ScienceImage_2893_Crystalised_magnesium.jpg/120px-CSIRO_ScienceImage_2893_Crystalised_magnesium.jpg" decoding="async" width="120" height="90" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/CSIRO_ScienceImage_2893_Crystalised_magnesium.jpg/180px-CSIRO_ScienceImage_2893_Crystalised_magnesium.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5c/CSIRO_ScienceImage_2893_Crystalised_magnesium.jpg/240px-CSIRO_ScienceImage_2893_Crystalised_magnesium.jpg 2x" data-file-width="2296" data-file-height="1728" /></a></span></div> <div class="gallerytext"> <a href="/wiki/Magn%C3%A9sium" title="Magnésium">Magnésium</a>.</div> </li> <li class="gallerybox" style="width: 125px"> <div class="thumb" style="width: 120px;"><span typeof="mw:File"><a href="/wiki/Fichier:Calcium_unter_Argon_Schutzgasatmosph%C3%A4re.jpg" class="mw-file-description" title="Calcium."><img alt="Calcium." src="//upload.wikimedia.org/wikipedia/commons/thumb/9/96/Calcium_unter_Argon_Schutzgasatmosph%C3%A4re.jpg/120px-Calcium_unter_Argon_Schutzgasatmosph%C3%A4re.jpg" decoding="async" width="120" height="79" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/96/Calcium_unter_Argon_Schutzgasatmosph%C3%A4re.jpg/180px-Calcium_unter_Argon_Schutzgasatmosph%C3%A4re.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/96/Calcium_unter_Argon_Schutzgasatmosph%C3%A4re.jpg/240px-Calcium_unter_Argon_Schutzgasatmosph%C3%A4re.jpg 2x" data-file-width="1626" data-file-height="1068" /></a></span></div> <div class="gallerytext"> <a href="/wiki/Calcium" title="Calcium">Calcium</a>.</div> </li> <li class="gallerybox" style="width: 125px"> <div class="thumb" style="width: 120px;"><span typeof="mw:File"><a href="/wiki/Fichier:Strontium_destilled_crystals.jpg" class="mw-file-description" title="Strontium."><img alt="Strontium." src="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/Strontium_destilled_crystals.jpg/120px-Strontium_destilled_crystals.jpg" decoding="async" width="120" height="77" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/Strontium_destilled_crystals.jpg/180px-Strontium_destilled_crystals.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/41/Strontium_destilled_crystals.jpg/240px-Strontium_destilled_crystals.jpg 2x" data-file-width="5236" data-file-height="3357" /></a></span></div> <div class="gallerytext"> <a href="/wiki/Strontium" title="Strontium">Strontium</a>.</div> </li> <li class="gallerybox" style="width: 125px"> <div class="thumb" style="width: 120px;"><span typeof="mw:File"><a href="/wiki/Fichier:Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg" class="mw-file-description" title="Baryum."><img alt="Baryum." src="//upload.wikimedia.org/wikipedia/commons/thumb/1/16/Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg/120px-Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg" decoding="async" width="120" height="70" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/16/Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg/180px-Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/16/Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg/240px-Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg 2x" data-file-width="793" data-file-height="460" /></a></span></div> <div class="gallerytext"> <a href="/wiki/Baryum" title="Baryum">Baryum</a>.</div> </li> <li class="gallerybox" style="width: 125px"> <div class="thumb" style="width: 120px;"><span typeof="mw:File"><a href="/wiki/Fichier:Radium226.jpg" class="mw-file-description" title="Radium."><img alt="Radium." src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Radium226.jpg/120px-Radium226.jpg" decoding="async" width="120" height="96" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Radium226.jpg/180px-Radium226.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Radium226.jpg/240px-Radium226.jpg 2x" data-file-width="653" data-file-height="522" /></a></span></div> <div class="gallerytext"> <a href="/wiki/Radium" title="Radium">Radium</a>.</div> </li> </ul> <p>Le <a href="/wiki/B%C3%A9ryllium" title="Béryllium">béryllium</a> et le <a href="/wiki/Magn%C3%A9sium" title="Magnésium">magnésium</a> sont plutôt gris car ils se recouvrent d'une pellicule d'oxyde <a href="/wiki/Oxyde_de_b%C3%A9ryllium" title="Oxyde de béryllium">BeO</a> et <a href="/wiki/Oxyde_de_magn%C3%A9sium" title="Oxyde de magnésium">MgO</a> protectrice <a href="/wiki/Passivation" title="Passivation">passivante</a>, tandis que le calcium, le strontium, le baryum et le radium sont plus brillants et plus mous. La surface de ces métaux se ternit rapidement à l'air libre. </p><p>Par exemple, alors que le <a href="/wiki/Sodium" title="Sodium">sodium</a> et le <a href="/wiki/Potassium" title="Potassium">potassium</a> réagissent avec l'eau à température ambiante, le <a href="/wiki/Calcium" title="Calcium">calcium</a> ne réagit qu'avec l'eau chaude, et le <a href="/wiki/Magn%C3%A9sium" title="Magnésium">magnésium</a> seulement avec la <a href="/wiki/Vapeur_d%27eau" title="Vapeur d'eau">vapeur d'eau</a> : </p> <dl><dd><a href="/wiki/Magn%C3%A9sium" title="Magnésium">Mg</a> + 2 <a href="/wiki/Eau" title="Eau">H<sub>2</sub>O<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></a> → <a href="/wiki/Hydroxyde_de_magn%C3%A9sium" title="Hydroxyde de magnésium">Mg(OH)<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></a> + <a href="/wiki/Dihydrog%C3%A8ne" title="Dihydrogène">H<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></a>.</dd></dl> <p>Le <a href="/wiki/B%C3%A9ryllium" title="Béryllium">béryllium</a> fait exception à ces comportements : il ne réagit pas avec l'eau liquide ni avec la vapeur d'eau, et ses <a href="/wiki/Halog%C3%A9nure" title="Halogénure">halogénures</a> sont <a href="/wiki/Liaison_covalente" title="Liaison covalente">covalents</a>. Ainsi, le fluorure de béryllium BeF<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>, <i>a priori</i> le plus ionique des halogénures de béryllium, est essentiellement covalent, avec une <a href="/wiki/Temp%C3%A9rature_de_fusion" class="mw-redirect" title="Température de fusion">température de fusion</a> d'à peine <span title="1 028,9 °F ou 827 K ou 1,712 696 821 2E−20 J">553,85 </span><abbr class="abbr" title="degré Celsius">°C</abbr> et une faible <a href="/wiki/Conductivit%C3%A9_%C3%A9lectrique" title="Conductivité électrique">conductivité électrique</a> à l'état liquide. </p><p>Les ions M<sup>2+</sup> issus des alcalino-terreux Ca, Sr et Ba peuvent être caractérisés de manière qualitative par un <a href="/wiki/Test_de_flamme" title="Test de flamme">test de flamme</a> : Lorsqu'on traite un sel d'un alcalino-terreux avec de l'acide chlorhydrique concentré (ce qui donne un chlorure métallique volatil), et qu'on le chauffe fortement dans la flamme non éclairante d'un bec Bunsen, on observe une couleur de flamme caractéristique. Cette flamme est rouge orangée pour Ca (mais vert pâle à travers du verre bleu), pourpre pour Sr (mais violette à travers du verre bleu), et vert pomme pour Ba. </p> <dl><dd><table class="wikitable" style="text-align:center"> <tbody><tr> <th><a href="/wiki/%C3%89l%C3%A9ment_chimique" title="Élément chimique">Élément</a> </th> <th><a href="/wiki/Masse_atomique" title="Masse atomique">Masse<br />atomique</a> </th> <th><a href="/wiki/Point_de_fusion" title="Point de fusion">Température<br />de fusion</a> </th> <th><a href="/wiki/Point_d%27%C3%A9bullition" title="Point d'ébullition">Température<br />d'ébullition</a> </th> <th><a href="/wiki/Masse_volumique" title="Masse volumique">Masse<br />volumique</a> </th> <th><a href="/wiki/Rayon_atomique" title="Rayon atomique">Rayon<br />atomique</a> </th> <th><a href="/wiki/Configuration_%C3%A9lectronique" title="Configuration électronique">Configuration<br /> électronique</a><sup id="cite_ref-CRC_Handbook_2-0" class="reference"><a href="#cite_note-CRC_Handbook-2"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup> </th> <th><a href="/wiki/%C3%89nergie_d%27ionisation" title="Énergie d'ionisation">Énergie<br />d'ionisation</a> </th> <th><a href="/wiki/%C3%89lectron%C3%A9gativit%C3%A9" title="Électronégativité">Électronégativité</a><br />(<a href="/wiki/%C3%89chelle_de_Pauling" title="Échelle de Pauling">Pauling</a>) </th></tr> <tr style="text-align:right"> <th><a href="/wiki/B%C3%A9ryllium" title="Béryllium">Béryllium</a> </th> <td><span class="nowrap"><span title="">9,012 183 1</span> <span title="Unité de masse atomique">u</span></span> </td> <td><span title="2 348,6 °F ou 1 560,2 K">1 287 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> <td><span title="4 476,2 °F ou 2 742,2 K">2 469 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> <td><span class="nowrap"><span title="1 850 kg⋅m⁻³ ou 66,62 °Baumé">1,85</span> <span title="Gramme">g</span>·<span title="centimètre">cm</span><sup>-3</sup></span> </td> <td><span class="nowrap"><span title="1,12 Å">112</span> <span title="picomètre">pm</span></span> </td> <td style="text-align:center"><span class="nowrap">[<a href="/wiki/H%C3%A9lium" title="Hélium">He</a>] 2s<sup>2</sup></span> </td> <td><span class="nowrap"><span title="9,322 662 983 287 2 eV ou 214 985,66 cal(th)·mol⁻¹">899,5</span> <span title="kilojoule">kJ</span>·<span title="Mole">mol</span><sup>-1</sup></span> </td> <td style="text-align:center">1,57 </td></tr> <tr style="text-align:right"> <th><a href="/wiki/Magn%C3%A9sium" title="Magnésium">Magnésium</a> </th> <td><span class="nowrap"><span title="">24,305 5</span> <span title="Unité de masse atomique">u</span></span> </td> <td><span title="1 202 °F ou 923,2 K">650 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> <td><span title="1 995,8 °F ou 1 364,2 K">1 091 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> <td><span class="nowrap"><span title="1 738 kg⋅m⁻³ ou 61,57 °Baumé">1,738</span> <span title="Gramme">g</span>·<span title="centimètre">cm</span><sup>-3</sup></span> </td> <td><span class="nowrap"><span title="1,6 Å">160</span> <span title="picomètre">pm</span></span> </td> <td style="text-align:center"><span class="nowrap">[<a href="/wiki/N%C3%A9on" title="Néon">Ne</a>] 3s<sup>2</sup></span> </td> <td><span class="nowrap"><span title="7,645 723 716 254 5 eV ou 176 314,53 cal(th)·mol⁻¹">737,7</span> <span title="kilojoule">kJ</span>·<span title="Mole">mol</span><sup>-1</sup></span> </td> <td style="text-align:center">1,31 </td></tr> <tr style="text-align:right"> <th><a href="/wiki/Calcium" title="Calcium">Calcium</a> </th> <td><span class="nowrap"><span>40,078(4)</span> <span title="Unité de masse atomique">u</span></span> </td> <td><span title="1 547,6 °F ou 1 115,2 K">842 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> <td><span title="2 703,2 °F ou 1 757,2 K">1 484 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> <td><span class="nowrap"><span title="1 550 kg⋅m⁻³ ou 51,45 °Baumé">1,55</span> <span title="Gramme">g</span>·<span title="centimètre">cm</span><sup>-3</sup></span> </td> <td><span class="nowrap"><span title="1,97 Å">197</span> <span title="picomètre">pm</span></span> </td> <td style="text-align:center"><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup></span> </td> <td><span class="nowrap"><span title="6,112 847 834 955 8 eV ou 140 965,58 cal(th)·mol⁻¹">589,8</span> <span title="kilojoule">kJ</span>·<span title="Mole">mol</span><sup>-1</sup></span> </td> <td style="text-align:center">1,00 </td></tr> <tr style="text-align:right"> <th><a href="/wiki/Strontium" title="Strontium">Strontium</a> </th> <td><span class="nowrap"><span>87,62(1)</span> <span title="Unité de masse atomique">u</span></span> </td> <td><span title="1 430,6 °F ou 1 050,2 K">777 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> <td><span title="2 510,6 °F ou 1 650,2 K">1 377 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> <td><span class="nowrap"><span title="2 640 kg⋅m⁻³ ou 90,08 °Baumé">2,64</span> <span title="Gramme">g</span>·<span title="centimètre">cm</span><sup>-3</sup></span> </td> <td><span class="nowrap"><span title="2,15 Å">215</span> <span title="picomètre">pm</span></span> </td> <td style="text-align:center"><span class="nowrap">[<a href="/wiki/Krypton" title="Krypton">Kr</a>] 5s<sup>2</sup></span> </td> <td><span class="nowrap"><span title="5,695 167 659 050 9 eV ou 131 333,65 cal(th)·mol⁻¹">549,5</span> <span title="kilojoule">kJ</span>·<span title="Mole">mol</span><sup>-1</sup></span> </td> <td style="text-align:center">0,95 </td></tr> <tr style="text-align:right"> <th><a href="/wiki/Baryum" title="Baryum">Baryum</a> </th> <td><span class="nowrap"><span>137,327(7)</span> <span title="Unité de masse atomique">u</span></span> </td> <td><span title="1 340,6 °F ou 1 000,2 K">727 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> <td><span title="3 353 °F ou 2 118,2 K">1 845 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> <td><span class="nowrap"><span title="3 510 kg⋅m⁻³ ou 103,69 °Baumé">3,51</span> <span title="Gramme">g</span>·<span title="centimètre">cm</span><sup>-3</sup></span> </td> <td><span class="nowrap"><span title="2,22 Å">222</span> <span title="picomètre">pm</span></span> </td> <td style="text-align:center"><span class="nowrap">[<a href="/wiki/X%C3%A9non" title="Xénon">Xe</a>] 6s<sup>2</sup></span> </td> <td><span class="nowrap"><span title="5,212 192 567 309 8 eV ou 120 195,98 cal(th)·mol⁻¹">502,9</span> <span title="kilojoule">kJ</span>·<span title="Mole">mol</span><sup>-1</sup></span> </td> <td style="text-align:center">0,89 </td></tr> <tr style="text-align:right"> <th><a href="/wiki/Radium" title="Radium">Radium</a> </th> <td style="text-align:center">[226] </td> <td><span title="1 292 °F ou 973,2 K">700 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> <td><span title="3 158,6 °F ou 2 010,2 K">1 737 </span><abbr class="abbr" title="degré Celsius">°C</abbr> </td> <td><span class="nowrap"><span title="5 500 kg⋅m⁻³ ou 118,64 °Baumé">5,5</span> <span title="Gramme">g</span>·<span title="centimètre">cm</span><sup>-3</sup></span> </td> <td style="text-align:center">— </td> <td style="text-align:center"><span class="nowrap">[<a href="/wiki/Radon" title="Radon">Rn</a>] 7s<sup>2</sup></span> </td> <td><span class="nowrap"><span title="5,278 523 910 381 5 eV ou 121 725,62 cal(th)·mol⁻¹">509,3</span> <span title="kilojoule">kJ</span>·<span title="Mole">mol</span><sup>-1</sup></span> </td> <td style="text-align:center">0,9 </td></tr></tbody></table></dd></dl> <p>Les éléments de cette série possèdent deux électrons dans leur <a href="/wiki/Couche_de_valence" title="Couche de valence">couche de valence</a>, et leur <a href="/wiki/Configuration_%C3%A9lectronique" title="Configuration électronique">configuration électronique</a> la plus stable s'obtient par la perte de ces deux électrons pour former un <a href="/wiki/Cation" title="Cation">cation</a> doublement chargé. </p> <div class="mw-heading mw-heading2"><h2 id="Applications">Applications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=M%C3%A9tal_alcalino-terreux&veaction=edit&section=2" title="Modifier la section : Applications" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=M%C3%A9tal_alcalino-terreux&action=edit&section=2" title="Modifier le code source de la section : Applications"><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:CANDU_fuel_bundles.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/57/CANDU_fuel_bundles.jpg/220px-CANDU_fuel_bundles.jpg" decoding="async" width="220" height="123" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/5/57/CANDU_fuel_bundles.jpg 1.5x" data-file-width="249" data-file-height="139" /></a><figcaption>Barres de combustible nucléaire pour le <a href="/wiki/R%C3%A9acteur_CANDU" title="Réacteur CANDU">réacteur CANDU</a>, produites par <a href="/wiki/Brasage" title="Brasage">brasage</a> à induction faisant intervenir du <a href="/wiki/B%C3%A9ryllium" title="Béryllium">béryllium</a>.</figcaption></figure> <p>Le <a href="/wiki/B%C3%A9ryllium" title="Béryllium">béryllium</a> est utilisé essentiellement dans des applications militaires<sup id="cite_ref-10.1002/14356007.a04_011.pub2_3-0" class="reference"><a href="#cite_note-10.1002/14356007.a04_011.pub2-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup>. Il est également utilisé comme <a href="/wiki/Dopage_(semi-conducteur)" title="Dopage (semi-conducteur)">dopant</a> de type <i>p</i> pour certains <a href="/wiki/Semiconducteur" class="mw-redirect" title="Semiconducteur">semiconducteurs</a>, tandis que l'<a href="/wiki/Oxyde_de_b%C3%A9ryllium" title="Oxyde de béryllium">oxyde de béryllium</a> BeO est utilisé comme <a href="/wiki/Isolant_%C3%A9lectrique" title="Isolant électrique">isolant électrique</a> et <a href="/wiki/Conductivit%C3%A9_thermique" title="Conductivité thermique">conducteur thermique</a> résistant. En raison de sa légèreté et de ses propriétés générales, le béryllium est utilisé dans les applications pour lesquelles rigidité, légèreté et stabilité tridimensionnelle sont requises dans un intervalle de températures étendues. </p><p>Le <a href="/wiki/Magn%C3%A9sium" title="Magnésium">magnésium</a> a été largement utilisé dans l'industrie avec un rôle structurel dans la mesure où ses propriétés dans ce domaine sont meilleures que celles de l'<a href="/wiki/Aluminium" title="Aluminium">aluminium</a> ; son utilisation a cependant été réduite en raison des risques d'inflammation qu'il présente. Il est souvent <a href="/wiki/Alliage" title="Alliage">allié</a> à l'aluminium ou au <a href="/wiki/Zinc" title="Zinc">zinc</a> pour former des matériaux aux propriétés intéressantes. Le magnésium intervient également dans la production d'autres métaux, comme le <a href="/wiki/Fer" title="Fer">fer</a>, l'<a href="/wiki/Acier" title="Acier">acier</a> et le <a href="/wiki/Titane" title="Titane">titane</a>. </p><p>Le <a href="/wiki/Calcium" title="Calcium">calcium</a> intervient comme <a href="/wiki/R%C3%A9ducteur_(chimie)" title="Réducteur (chimie)">réducteur</a> dans la séparation d'autres métaux de leurs <a href="/wiki/Minerai" title="Minerai">minerais</a>, comme l'<a href="/wiki/Uranium" title="Uranium">uranium</a>. Il est également allié à d'autres métaux, comme l'aluminium et le <a href="/wiki/Cuivre" title="Cuivre">cuivre</a>, et peut être utilisé pour la désoxydation de certains alliages. Il est utilisé par ailleurs dans la production de <a href="/wiki/Mortier_(mat%C3%A9riau)" title="Mortier (matériau)">mortier</a> et de <a href="/wiki/Ciment" title="Ciment">ciment</a>. </p><p>Le <a href="/wiki/Strontium" title="Strontium">strontium</a> et le <a href="/wiki/Baryum" title="Baryum">baryum</a> ont moins d'applications que les métaux alcalino-terreux plus légers. Le <a href="/wiki/Carbonate_de_strontium" title="Carbonate de strontium">carbonate de strontium</a> SrCO<sub>3</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> est utilisé pour produire des <a href="/wiki/Feu_d%27artifice" title="Feu d'artifice">feux d'artifice</a> rouges, tandis que le strontium pur est utilisé pour l'étude de la libération des <a href="/wiki/Neurotransmetteur" title="Neurotransmetteur">neurotransmetteurs</a> par les <a href="/wiki/Neurone" title="Neurone">neurones</a><sup id="cite_ref-10.1038/2121233a0_4-0" class="reference"><a href="#cite_note-10.1038/2121233a0-4"><span class="cite_crochet">[</span>4<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-PMID_11387379_5-0" class="reference"><a href="#cite_note-PMID_11387379-5"><span class="cite_crochet">[</span>5<span class="cite_crochet">]</span></a></sup>. Le baryum est utilisé pour faire le vide dans les <a href="/wiki/Tube_%C3%A9lectronique" title="Tube électronique">tubes électroniques</a>, tandis que le <a href="/wiki/Sulfate_de_baryum" title="Sulfate de baryum">sulfate de baryum</a> BaSO<sub>4</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> est utilisé dans l'<a href="/wiki/Industrie_p%C3%A9troli%C3%A8re" title="Industrie pétrolière">industrie pétrolière</a>, ainsi que dans d'autres types d'applications<sup id="cite_ref-10.1002/14356007.a03_325.pub2_6-0" class="reference"><a href="#cite_note-10.1002/14356007.a03_325.pub2-6"><span class="cite_crochet">[</span>6<span class="cite_crochet">]</span></a></sup>. </p><p>Le <a href="/wiki/Radium" title="Radium">radium</a> a été utilisé jadis dans de nombreuses applications, mais a été remplacé depuis par d'autres matériaux en raison de sa <a href="/wiki/Radioactivit%C3%A9" title="Radioactivité">radioactivité</a>, qui le rend dangereux. Il a ainsi été utilisé pour produire des <a href="/w/index.php?title=Peinture_luminescente&action=edit&redlink=1" class="new" title="Peinture luminescente (page inexistante)">peintures luminescentes</a> <a href="https://en.wikipedia.org/wiki/Luminous_paint" class="extiw" title="en:Luminous paint"><span class="indicateur-langue" title="Article en anglais : « Luminous paint »">(en)</span></a><sup id="cite_ref-PMID_13134440_7-0" class="reference"><a href="#cite_note-PMID_13134440-7"><span class="cite_crochet">[</span>7<span class="cite_crochet">]</span></a></sup>, et fut même ajouté dans les <a href="/wiki/Ann%C3%A9es_1930" title="Années 1930">années 1930</a> à l'eau de table, à des <a href="/wiki/Dentifrice" title="Dentifrice">dentifrices</a> et à des cosmétiques en vertu des propriétés rajeunissantes et bienfaisante alors prêtées à la radioactivité. De nos jours, il n'a plus aucun usage, pas même en <a href="/wiki/Radiologie" class="mw-redirect" title="Radiologie">radiologie</a>, où des sources radioactives plus puissantes et plus sûres sont utilisées à sa place. </p> <div class="mw-heading mw-heading2"><h2 id="Rôle_biologique"><span id="R.C3.B4le_biologique"></span>Rôle biologique</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=M%C3%A9tal_alcalino-terreux&veaction=edit&section=3" title="Modifier la section : Rôle biologique" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=M%C3%A9tal_alcalino-terreux&action=edit&section=3" title="Modifier le code source de la section : Rôle biologique"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fichier:Erdalkali.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/74/Erdalkali.jpg/350px-Erdalkali.jpg" decoding="async" width="350" height="229" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/74/Erdalkali.jpg/525px-Erdalkali.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/7/74/Erdalkali.jpg 2x" data-file-width="620" data-file-height="405" /></a><figcaption>Apparence des métaux alcalino-terreux.</figcaption></figure> <p>Les métaux alcalino-terreux ont un rôle biochimique très variable, certains étant indispensables, d'autres hautement toxiques, ou encore indifférents : </p> <ul><li>Le <a href="/wiki/B%C3%A9ryllium" title="Béryllium">béryllium</a> étant faiblement soluble dans l'eau, il n'est que très rarement présent dans les cellules vivantes. On ne lui connaît aucun rôle biologique, et il est généralement très toxique pour les êtres vivants.</li></ul> <ul><li>Le <a href="/wiki/Magn%C3%A9sium" title="Magnésium">magnésium</a> et le <a href="/wiki/Calcium" title="Calcium">calcium</a> sont très largement présents dans tous les organismes vivants connus, et y jouent un rôle vital. Par exemple, le magnésium intervient comme <a href="/wiki/Cofacteur_(biochimie)" title="Cofacteur (biochimie)">cofacteur</a> de bon nombre d'enzymes et les sels de calcium jouent un rôle structurel dans les os des <a href="/wiki/Vert%C3%A9br%C3%A9s" title="Vertébrés">vertébrés</a> et dans les <a href="/wiki/Coquille_(mollusque)" title="Coquille (mollusque)">coquilles</a> des <a href="/wiki/Mollusque" class="mw-redirect" title="Mollusque">mollusques</a>. Les gradients de concentration des ions Mg<sup>2+</sup> et Ca<sup>2+</sup> à travers les <a href="/wiki/Membrane_cellulaire" class="mw-redirect" title="Membrane cellulaire">membranes cellulaires</a> ou intracellulaires (enveloppant les <a href="/wiki/Organite" title="Organite">organites</a>) sont régulés par des pompes ioniques qui interagissent avec plusieurs processus biochimiques fondamentaux.</li></ul> <ul><li>Le <a href="/wiki/Strontium" title="Strontium">strontium</a> et le <a href="/wiki/Baryum" title="Baryum">baryum</a> sont assez rares dans la biosphère et ont par conséquent un rôle biologique marginal. Le strontium joue néanmoins un rôle important chez les animaux marins, notamment le <a href="/wiki/Corail" title="Corail">corail</a>, où il intervient dans la synthèse de l'<a href="/wiki/Exosquelette" title="Exosquelette">exosquelette</a>. Ces éléments sont parfois utilisés en <a href="/wiki/M%C3%A9decine" title="Médecine">médecine</a>, le strontium étant employé dans certains <a href="/wiki/Dentifrice" title="Dentifrice">dentifrices</a> tandis que le baryum, administré aux patients dans des préparations barytées, est employé comme substance de marquage dans l'imagerie médicale aux <a href="/wiki/Rayon_X" title="Rayon X">rayons X</a> pour amplifier les contrastes et faciliter le diagnostic.</li></ul> <p>L'isotope <sup>90</sup>Sr est un produit de fission de l'uranium. Lors d'un accident nucléaire (fuite de déchets, explosion nucléaire, <abbr class="abbr" title="et cetera">etc.</abbr>), il risque de contaminer la nature pour finir par s'incorporer dans les os avec le phosphate de calcium. </p> <ul><li>Le <a href="/wiki/Radium" title="Radium">radium</a> est à la fois rare dans le milieu naturel et très <a href="/wiki/Radioactivit%C3%A9" title="Radioactivité">radioactif</a>, de sorte qu'il est absent des organismes vivants et leur est <a href="/wiki/Radiotoxicit%C3%A9" title="Radiotoxicité">radiotoxique</a>.<div class="clear" style="clear:right;"></div></li></ul> <div class="mw-heading mw-heading2"><h2 id="Étymologie"><span id=".C3.89tymologie"></span>Étymologie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=M%C3%A9tal_alcalino-terreux&veaction=edit&section=4" title="Modifier la section : Étymologie" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=M%C3%A9tal_alcalino-terreux&action=edit&section=4" title="Modifier le code source de la section : Étymologie"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Les noms de ces éléments proviennent de leurs oxydes, les <i>terres alcalines</i>. Les anciens termes qui désignaient ces oxydes étaient <i>béryllia</i> (oxyde de béryllium), <i>magnésia</i>, <i> chaux vive</i>, <i>strontia</i> et <i>baryta</i>. </p><p>L'appellation <i>alcalino-terreux</i> est due au fait que les oxydes de ces métaux sont intermédiaires entre ceux des <a href="/wiki/M%C3%A9tal_alcalin" title="Métal alcalin">métaux alcalins</a> et ceux des <a href="/wiki/Terre_rare" title="Terre rare">terres rares</a>. L'utilisation du terme « terreux » pour classifier des substances à l'apparence inerte remonte à des temps anciens. Le plus ancien système connu est celui de la <a href="/wiki/Gr%C3%A8ce_antique" title="Grèce antique">Grèce antique</a>, et consistait en un système de quatre éléments classiques, incluant la terre. Des philosophes et <a href="/wiki/Alchimie" title="Alchimie">alchimistes</a> firent évoluer ce système par la suite, notamment <a href="/wiki/Aristote" title="Aristote">Aristote</a>, <a href="/wiki/Paracelse" title="Paracelse">Paracelse</a>, <a href="/w/index.php?title=J._J._Becher&action=edit&redlink=1" class="new" title="J. J. Becher (page inexistante)">John Becher</a> et <a href="/wiki/Georg_Ernst_Stahl" title="Georg Ernst Stahl">George Stahl</a>. </p><p>En <a href="/wiki/1789" title="1789">1789</a>, <a href="/wiki/Antoine_Lavoisier" title="Antoine Lavoisier">Antoine Lavoisier</a> dans son <i><a href="/wiki/Trait%C3%A9_%C3%A9l%C3%A9mentaire_de_chimie" title="Traité élémentaire de chimie">Traité élémentaire de chimie</a></i>, nota que ces <i>terres</i> étaient en fait des <a href="/wiki/Compos%C3%A9_chimique" title="Composé chimique">composés chimiques</a>. Il les appela alors <i>substances simples salifiables terreuses</i>. Par la suite il suggéra que les terres alcalines seraient peut-être des oxydes de métaux, mais il admit que ceci n'était qu'une simple conjecture. En <a href="/wiki/1808" title="1808">1808</a>, <a href="/wiki/Humphry_Davy" title="Humphry Davy">Humphry Davy</a> continua le travail de Lavoisier et fut le premier à obtenir des échantillons de métal par <a href="/wiki/%C3%89lectrolyse" title="Électrolyse">électrolyse</a> de leurs terres en fusion. </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=M%C3%A9tal_alcalino-terreux&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=M%C3%A9tal_alcalino-terreux&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">Selon les <a href="https://fr.wiktionary.org/wiki/Annexe:Rectifications_orthographiques_du_fran%C3%A7ais_en_1990" class="extiw" title="wikt:Annexe:Rectifications orthographiques du français en 1990">rectifications orthographiques du français en 1990</a>.</span> </li> <li id="cite_note-CRC_Handbook-2"><span class="mw-cite-backlink noprint"><a href="#cite_ref-CRC_Handbook_2-0">↑</a> </span><span class="reference-text"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <i><a rel="nofollow" class="external text" href="http://hbcponline.com/faces/contents/ContentsSearch.xhtml">CRC Handbook of Chemistry and Physics</a></i>, section 1 : <i>Basic Constants, Units, and Conversion Factors</i>, sous-section : <i>Electron Configuration of Neutral Atoms in the Ground State</i>, <abbr class="abbr" title="Quatre-vingt-quatrième (huitante-quatrième / octante-quatrième)">84<sup>e</sup></abbr> édition en ligne, CRC Press, Boca Raton, Floride, 2003.</span> </li> <li id="cite_note-10.1002/14356007.a04_011.pub2-3"><span class="mw-cite-backlink noprint"><a href="#cite_ref-10.1002/14356007.a04_011.pub2_3-0">↑</a> </span><span class="reference-text"> <span class="ouvrage" id="Günter_Petzow,_Fritz_Aldinger,_Sigurd_Jönsson,_Peter_Welge,_Vera_van_Kampen,_Thomas_Mensing_et_Thomas_Brüning2002"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <span class="nom_auteur">Günter Petzow, Fritz Aldinger, Sigurd Jönsson, Peter Welge, Vera van Kampen, Thomas Mensing et Thomas Brüning</span>, « <cite style="font-style:normal" lang="en">Beryllium and Beryllium Compounds</cite> », <i><span class="lang-en" lang="en">Ullmann's Encyclopedia of Industrial Chemistry</span></i>,‎ <time>2002</time> <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/10.1002/14356007.a04_011.pub2">10.1002/14356007.a04_011.pub2</a></span>, <a rel="nofollow" class="external text" href="http://onlinelibrary.wiley.com/doi/10.1002/14356007.a04_011.pub2/abstract">lire en ligne</a>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Beryllium+and+Beryllium+Compounds&rft.jtitle=Ullmann%27s+Encyclopedia+of+Industrial+Chemistry&rft.aulast=G%C3%BCnter+Petzow%2C+Fritz+Aldinger%2C+Sigurd+J%C3%B6nsson%2C+Peter+Welge%2C+Vera+van+Kampen%2C+Thomas+Mensing+et+Thomas+Br%C3%BCning&rft.date=2002&rft_id=info%3Adoi%2F10.1002%2F14356007.a04_011.pub2&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AM%C3%A9tal+alcalino-terreux"></span></span></span> </li> <li id="cite_note-10.1038/2121233a0-4"><span class="mw-cite-backlink noprint"><a href="#cite_ref-10.1038/2121233a0_4-0">↑</a> </span><span class="reference-text"> <span class="ouvrage" id="R._Miledi1966"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <span class="nom_auteur">R. Miledi</span>, « <cite style="font-style:normal" lang="en">Strontium as a Substitute for Calcium in the Process of Transmitter Release at the Neuromuscular Junction</cite> », <i><span class="lang-en" lang="en">Nature</span></i>, <abbr class="abbr" title="volume">vol.</abbr> 212, <abbr class="abbr" title="numéro">n<sup>o</sup></abbr> 5067,‎ <time class="nowrap" datetime="1966-12-10" data-sort-value="1966-12-10">10 décembre 1966</time>, <abbr class="abbr" title="pages">p.</abbr> <span class="nowrap">1233-1234</span> <small style="line-height:1em;">(<a href="/wiki/PubMed" title="PubMed">PMID</a> <span class="plainlinks noarchive nowrap"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pubmed/21090447">21090447</a></span>, <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/10.1038/2121233a0">10.1038/2121233a0</a></span>, <a href="/wiki/Bibcode" title="Bibcode">Bibcode</a> <span class="plainlinks noarchive nowrap"><a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1966Natur.212.1233M">1966Natur.212.1233M</a></span>, <a rel="nofollow" class="external text" href="http://www.nature.com/nature/journal/v212/n5067/abs/2121233a0.html">lire en ligne</a>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Strontium+as+a+Substitute+for+Calcium+in+the+Process+of+Transmitter+Release+at+the+Neuromuscular+Junction&rft.jtitle=Nature&rft.issue=5067&rft.aulast=R.+Miledi&rft.date=1966-12-10&rft.volume=212&rft.pages=1233-1234&rft_id=info%3Adoi%2F10.1038%2F2121233a0&rft_id=info%3Apmid%2F21090447&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AM%C3%A9tal+alcalino-terreux"></span></span></span> </li> <li id="cite_note-PMID_11387379-5"><span class="mw-cite-backlink noprint"><a href="#cite_ref-PMID_11387379_5-0">↑</a> </span><span class="reference-text"> <span class="ouvrage" id="Donald_J._Hagler_Jr._et_Yukiko_Goda2001"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <span class="nom_auteur">Donald J. Hagler Jr. et <a href="/wiki/Yukiko_Goda" title="Yukiko Goda">Yukiko Goda</a></span>, « <cite style="font-style:normal" lang="en">Properties of synchronous and asynchronous release during pulse train depression in cultured hippocampal neurons</cite> », <i><span class="lang-en" lang="en">Journal of Neurophysiology</span></i>, <abbr class="abbr" title="volume">vol.</abbr> 85, <abbr class="abbr" title="numéro">n<sup>o</sup></abbr> 6,‎ <time class="nowrap" datetime="2001-06" data-sort-value="2001-06">juin 2001</time>, <abbr class="abbr" title="pages">p.</abbr> <span class="nowrap">2324-2334</span> <small style="line-height:1em;">(<a href="/wiki/PubMed" title="PubMed">PMID</a> <span class="plainlinks noarchive nowrap"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pubmed/11387379">11387379</a></span>, <a rel="nofollow" class="external text" href="http://jn.physiology.org/content/85/6/2324.short">lire en ligne</a>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Properties+of+synchronous+and+asynchronous+release+during+pulse+train+depression+in+cultured+hippocampal+neurons&rft.jtitle=Journal+of+Neurophysiology&rft.issue=6&rft.aulast=Yukiko+Goda&rft.date=2001-06&rft.volume=85&rft.pages=2324-2334&rft_id=info%3Apmid%2F11387379&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AM%C3%A9tal+alcalino-terreux"></span></span></span> </li> <li id="cite_note-10.1002/14356007.a03_325.pub2-6"><span class="mw-cite-backlink noprint"><a href="#cite_ref-10.1002/14356007.a03_325.pub2_6-0">↑</a> </span><span class="reference-text"> <span class="ouvrage" id="Robert_Kresse,_Ulrich_Baudis,_Paul_Jäger,_H._Hermann_Riechers,_Heinz_Wagner,_Jochen_Winkler_et_Hans_Uwe_Wolf2002"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <span class="nom_auteur">Robert Kresse, Ulrich Baudis, Paul Jäger, H. Hermann Riechers, Heinz Wagner, Jochen Winkler et Hans Uwe Wolf</span>, « <cite style="font-style:normal" lang="en">Barium and Barium Compounds</cite> », <i><span class="lang-en" lang="en">Ullmann's Encyclopedia of Industrial Chemistry</span></i>,‎ <time>2002</time> <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/10.1002/14356007.a03_325.pub2">10.1002/14356007.a03_325.pub2</a></span>, <a rel="nofollow" class="external text" href="http://onlinelibrary.wiley.com/doi/10.1002/14356007.a03_325.pub2/abstract">lire en ligne</a>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Barium+and+Barium+Compounds&rft.jtitle=Ullmann%27s+Encyclopedia+of+Industrial+Chemistry&rft.aulast=Robert+Kresse%2C+Ulrich+Baudis%2C+Paul+J%C3%A4ger%2C+H.+Hermann+Riechers%2C+Heinz+Wagner%2C+Jochen+Winkler+et+Hans+Uwe+Wolf&rft.date=2002&rft_id=info%3Adoi%2F10.1002%2F14356007.a03_325.pub2&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AM%C3%A9tal+alcalino-terreux"></span></span></span> </li> <li id="cite_note-PMID_13134440-7"><span class="mw-cite-backlink noprint"><a href="#cite_ref-PMID_13134440_7-0">↑</a> </span><span class="reference-text"> <span class="ouvrage" id="James_G._Terrill,_Jr.,_Samuel_C._Ingraham,_II_et_Dade_W._Moeller1954"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <span class="nom_auteur">James G. Terrill, Jr., Samuel C. Ingraham, II et Dade W. Moeller</span>, « <cite style="font-style:normal" lang="en">Radium in the healing arts and in industry. Radiation exposure in the United States</cite> », <i><span class="lang-en" lang="en">Public Health Reports</span></i>, <abbr class="abbr" title="volume">vol.</abbr> 69, <abbr class="abbr" title="numéro">n<sup>o</sup></abbr> 3,‎ <time class="nowrap" datetime="1954-03" data-sort-value="1954-03">mars 1954</time>, <abbr class="abbr" title="pages">p.</abbr> <span class="nowrap">255-262</span> <small style="line-height:1em;">(<a href="/wiki/PubMed" title="PubMed">PMID</a> <span class="plainlinks noarchive nowrap"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pubmed/2024184">2024184</a></span>, <a href="/wiki/PubMed_Central" title="PubMed Central">PMCID</a> <span class="plainlinks noarchive nowrap"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/13134440">13134440</a></span>, <a href="/wiki/JSTOR" title="JSTOR">JSTOR</a> <span class="plainlinks noarchive nowrap"><a rel="nofollow" class="external text" href="https://jstor.org/stable/4588736">4588736</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=Radium+in+the+healing+arts+and+in+industry.++Radiation+exposure+in+the+United+States&rft.jtitle=Public+Health+Reports&rft.issue=3&rft.aulast=James+G.+Terrill%2C+Jr.%2C+Samuel+C.+Ingraham%2C+II+et+Dade+W.+Moeller&rft.date=1954-03&rft.volume=69&rft.pages=255-262&rft_id=info%3Apmid%2F2024184&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AM%C3%A9tal+alcalino-terreux"></span></span></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=M%C3%A9tal_alcalino-terreux&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=M%C3%A9tal_alcalino-terreux&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> <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=M%C3%A9tal_alcalino-terreux&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=M%C3%A9tal_alcalino-terreux&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/M%C3%A9tal" title="Métal">Métal</a></li> <li><a href="/wiki/M%C3%A9tal_alcalin" title="Métal alcalin">Métal alcalin</a></li> <li><a href="/wiki/M%C3%A9tal_pauvre" title="Métal pauvre">Métal pauvre</a></li> <li><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métal de transition</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=M%C3%A9tal_alcalino-terreux&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=M%C3%A9tal_alcalino-terreux&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><a rel="nofollow" class="external text" href="http://www.iupac.org/reports/periodic_table">UICPA</a> : Page de liens vers le <a href="/wiki/Tableau_p%C3%A9riodique" class="mw-redirect" title="Tableau périodique">tableau périodique</a></li> <li><a rel="nofollow" class="external text" href="http://www.iupac.org/reports/periodic_table/IUPAC_Periodic_Table-22Jun07b.pdf">UICPA</a> : Tableau périodique officiel du 22/06/2007</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:1px solid darkgrey;background-color:#F9C;font-size:{{{4}}}%;" width="{{{width}}}%"><a href="/wiki/Neptunium" title="Neptunium"> 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 class="mw-selflink selflink">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 #AAA;background:#CCC"><a href="/wiki/M%C3%A9tal_pauvre" title="Métal pauvre">Métaux pauvres</a> </td> <td rowspan="3" style="padding:1px .25em;width:74px;text-align:center;border:1px solid #AAA;background:#CC9"><a href="/wiki/M%C3%A9tallo%C3%AFde" title="Métalloïde">Métalloïdes</a> </td> <td rowspan="3" style="padding:1px .25em;width:74px;text-align:center;border:1px solid #AAA;background:#A0FFA0"><a href="/wiki/Non-m%C3%A9tal" title="Non-métal">Non-métaux</a> </td> <td rowspan="3" style="padding:1px .25em;width:74px;text-align:center;border:1px solid #AAA;background:#FF9"><a href="/wiki/Halog%C3%A8ne" title="Halogène">Halogènes</a> </td> <td rowspan="3" style="padding:1px .25em;width:74px;text-align:center;border:1px solid #AAA;background:#C0E8FF"><a href="/wiki/Gaz_noble" title="Gaz noble">Gaz nobles</a> </td> <td rowspan="3" style="padding:1px .25em;width:74px;text-align:center;border:1px solid #AAA;background:#F7F8FF">Éléments non classés </td></tr> <tr> <td style="padding:1px .25em;width:74px;text-align:center;border:1px solid #AAA;background-color:#F9C"><a href="/wiki/Actinide" title="Actinide">Actinides</a> </td></tr> <tr> <td style="padding:1px .25em;width:74px;text-align:center;border:1px dashed #AAA;background-color:#FEE"><a href="/wiki/Superactinide" title="Superactinide">Superactinides</a> </td></tr></tbody></table> <ul id="bandeau-portail" class="bandeau-portail"><li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"><a href="/wiki/Portail:Chimie" title="Portail de la chimie"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_science.svg/24px-Nuvola_apps_edu_science.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_science.svg/36px-Nuvola_apps_edu_science.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_science.svg/48px-Nuvola_apps_edu_science.svg.png 2x" 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