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Disponible en 48 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-48" 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">48 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/Periode_4_element" title="Periode 4 element – afrikaans" lang="af" hreflang="af" data-title="Periode 4 element" 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/Elementos_d%27o_periodo_4" title="Elementos d'o periodo 4 – aragonais" lang="an" hreflang="an" data-title="Elementos d'o periodo 4" data-language-autonym="Aragonés" data-language-local-name="aragonais" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%86%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%A4_4_%E0%A4%A4%E0%A4%A4%E0%A5%8D%E0%A4%B5" title="आवर्त 4 तत्व – angika" lang="anp" hreflang="anp" data-title="आवर्त 4 तत्व" data-language-autonym="अंगिका" data-language-local-name="angika" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D9%86%D8%A7%D8%B5%D8%B1_%D8%A7%D9%84%D8%AF%D9%88%D8%B1%D8%A9_%D8%A7%D9%84%D8%B1%D8%A7%D8%A8%D8%B9%D8%A9" title="عناصر الدورة الرابعة – arabe" lang="ar" hreflang="ar" data-title="عناصر الدورة الرابعة" 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/Elementos_del_periodu_4" title="Elementos del periodu 4 – asturien" lang="ast" hreflang="ast" data-title="Elementos del periodu 4" 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/D%C3%B6vri_sistemin_d%C3%B6rd%C3%BCnc%C3%BC_periodu" title="Dövri sistemin dördüncü periodu – azerbaïdjanais" lang="az" hreflang="az" data-title="Dövri sistemin dördüncü periodu" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaïdjanais" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%AA%E0%A5%80%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%A1_4_%E0%A4%A4%E0%A4%A4%E0%A5%8D%E0%A4%B5" title="पीरियड 4 तत्व – Bhojpuri" lang="bh" hreflang="bh" data-title="पीरियड 4 तत्व" 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%9A%E0%A6%A4%E0%A7%81%E0%A6%B0%E0%A7%8D%E0%A6%A5_%E0%A6%AA%E0%A6%B0%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A7%87%E0%A6%B0_%E0%A6%AE%E0%A7%8C%E0%A6%B2" title="চতুর্থ পর্যায়ের মৌল – bengali" lang="bn" hreflang="bn" data-title="চতুর্থ পর্যায়ের মৌল" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Elements_del_per%C3%ADode_4" title="Elements del període 4 – catalan" lang="ca" hreflang="ca" data-title="Elements del període 4" data-language-autonym="Català" data-language-local-name="catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/4._perioda" title="4. perioda – tchèque" lang="cs" hreflang="cs" data-title="4. perioda" data-language-autonym="Čeština" data-language-local-name="tchèque" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Elfen_cyfnod_4" title="Elfen cyfnod 4 – gallois" lang="cy" hreflang="cy" data-title="Elfen cyfnod 4" 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/Periode_4-grundstof" title="Periode 4-grundstof – danois" lang="da" hreflang="da" data-title="Periode 4-grundstof" 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/Chemische_Elemente_der_vierten_Periode" title="Chemische Elemente der vierten Periode – allemand" lang="de" hreflang="de" data-title="Chemische Elemente der vierten Periode" 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%A3%CF%84%CE%BF%CE%B9%CF%87%CE%B5%CE%AF%CE%BF_%CE%A0%CE%B5%CF%81%CE%B9%CF%8C%CE%B4%CE%BF%CF%85_4" title="Στοιχείο Περιόδου 4 – grec" lang="el" hreflang="el" data-title="Στοιχείο Περιόδου 4" 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/Period_4_element" title="Period 4 element – anglais" lang="en" hreflang="en" data-title="Period 4 element" 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/Elemento_de_periodo_4" title="Elemento de periodo 4 – espéranto" lang="eo" hreflang="eo" data-title="Elemento de periodo 4" 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/Elementos_del_periodo_4" title="Elementos del periodo 4 – espagnol" lang="es" hreflang="es" data-title="Elementos del periodo 4" data-language-autonym="Español" data-language-local-name="espagnol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/4._periodoko_elementu" title="4. periodoko elementu – basque" lang="eu" hreflang="eu" data-title="4. periodoko elementu" 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/%D8%B9%D9%86%D8%B5%D8%B1_%D8%AF%D9%88%D8%B1%D9%87_%DB%B4" title="عنصر دوره ۴ – persan" lang="fa" hreflang="fa" data-title="عنصر دوره ۴" 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/Jakson_4_alkuaine" title="Jakson 4 alkuaine – finnois" lang="fi" hreflang="fi" data-title="Jakson 4 alkuaine" 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/Periode-4-Element" title="Periode-4-Element – frison septentrional" lang="frr" hreflang="frr" data-title="Periode-4-Element" data-language-autonym="Nordfriisk" data-language-local-name="frison septentrional" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Elementos_de_periodo_4" title="Elementos de periodo 4 – interlingua" lang="ia" hreflang="ia" data-title="Elementos de periodo 4" 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/Unsur_periode_4" title="Unsur periode 4 – indonésien" lang="id" hreflang="id" data-title="Unsur periode 4" 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-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Elementi_del_periodo_4" title="Elementi del periodo 4 – italien" lang="it" hreflang="it" data-title="Elementi del periodo 4" 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%AC4%E5%91%A8%E6%9C%9F%E5%85%83%E7%B4%A0" title="第4周期元素 – japonais" lang="ja" hreflang="ja" data-title="第4周期元素" 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-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/4%EC%A3%BC%EA%B8%B0_%EC%9B%90%EC%86%8C" title="4주기 원소 – coréen" lang="ko" hreflang="ko" data-title="4주기 원소" 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/Elementum_periodi_quartae" title="Elementum periodi quartae – latin" lang="la" hreflang="la" data-title="Elementum periodi quartae" data-language-autonym="Latina" data-language-local-name="latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Element_del_period_4" title="Element del period 4 – lombard" lang="lmo" hreflang="lmo" data-title="Element del period 4" data-language-autonym="Lombard" data-language-local-name="lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/IV_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B0_%D0%BD%D0%B0_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%BD%D0%B8%D0%BE%D1%82_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC" title="IV периода на периодниот систем – macédonien" lang="mk" hreflang="mk" data-title="IV периода на периодниот систем" data-language-autonym="Македонски" data-language-local-name="macédonien" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Unsur_kala_4" title="Unsur kala 4 – malais" lang="ms" hreflang="ms" data-title="Unsur kala 4" 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-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Periode-4-element" title="Periode-4-element – néerlandais" lang="nl" hreflang="nl" data-title="Periode-4-element" data-language-autonym="Nederlands" data-language-local-name="néerlandais" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AA%E0%A9%80%E0%A8%B0%E0%A8%A1_4_%E0%A8%A4%E0%A9%B1%E0%A8%A4" title="ਪੀਰਡ 4 ਤੱਤ – pendjabi" lang="pa" hreflang="pa" data-title="ਪੀਰਡ 4 ਤੱਤ" 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/Pierwiastki_czwartego_okresu" title="Pierwiastki czwartego okresu – polonais" lang="pl" hreflang="pl" data-title="Pierwiastki czwartego okresu" data-language-autonym="Polski" data-language-local-name="polonais" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Elementele_perioadei_4" title="Elementele perioadei 4 – roumain" lang="ro" hreflang="ro" data-title="Elementele perioadei 4" 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%A7%D0%B5%D1%82%D0%B2%D1%91%D1%80%D1%82%D1%8B%D0%B9_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D1%8B" title="Четвёртый период периодической системы – russe" lang="ru" hreflang="ru" data-title="Четвёртый период периодической системы" data-language-autonym="Русский" data-language-local-name="russe" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Elementi_4._periode" title="Elementi 4. periode – serbo-croate" lang="sh" hreflang="sh" data-title="Elementi 4. periode" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croate" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Period_4_element" title="Period 4 element – Simple English" lang="en-simple" hreflang="en-simple" data-title="Period 4 element" 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/4._peri%C3%B3da" title="4. perióda – slovaque" lang="sk" hreflang="sk" data-title="4. perióda" 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/Element_4._periode" title="Element 4. periode – slovène" lang="sl" hreflang="sl" data-title="Element 4. periode" data-language-autonym="Slovenščina" data-language-local-name="slovène" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/4._%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B0_%D1%85%D0%B5%D0%BC%D0%B8%D1%98%D1%81%D0%BA%D0%B8%D1%85_%D0%B5%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D0%B0%D1%82%D0%B0" title="4. периода хемијских елемената – serbe" lang="sr" hreflang="sr" data-title="4. периода хемијских елемената" 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-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BF%E0%AE%9F%E0%AF%88%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%81%E0%AE%B4%E0%AF%81_4_%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%B3%E0%AF%8D" title="கிடைக்குழு 4 தனிமங்கள் – tamoul" lang="ta" hreflang="ta" data-title="கிடைக்குழு 4 தனிமங்கள்" 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%AA%E0%B1%80%E0%B0%B0%E0%B0%BF%E0%B0%AF%E0%B0%A1%E0%B1%8D_4_%E0%B0%AE%E0%B1%82%E0%B0%B2%E0%B0%95%E0%B0%82" title="పీరియడ్ 4 మూలకం – télougou" lang="te" hreflang="te" data-title="పీరియడ్ 4 మూలకం" 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 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data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Apparence</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">masquer</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Un article de Wikipédia, l'encyclopédie libre.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="fr" dir="ltr"><p>La <b>période 4 du tableau périodique</b> est la quatrième ligne, ou <a href="/wiki/P%C3%A9riode_du_tableau_p%C3%A9riodique" title="Période du tableau périodique"><i>période</i></a>, du <a href="/wiki/Tableau_p%C3%A9riodique_des_%C3%A9l%C3%A9ments" title="Tableau périodique des éléments">tableau périodique des éléments</a>. Elle contient des <a href="/wiki/%C3%89l%C3%A9ment_chimique" title="Élément chimique">éléments</a> du <a href="/wiki/Bloc_s_du_tableau_p%C3%A9riodique" title="Bloc s du tableau périodique">bloc s</a>, du <a href="/wiki/Bloc_d_du_tableau_p%C3%A9riodique" title="Bloc d du tableau périodique">bloc d</a> et du <a href="/wiki/Bloc_p_du_tableau_p%C3%A9riodique" title="Bloc p du tableau périodique">bloc p</a> : </p> <table style="background:none; padding:0; border-collapse:collapse; text-align:center; font-size:85%" align="right"> <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="8">  </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 #aaaaaa;background-color:#A0FFA0"><a href="/wiki/Hydrog%C3%A8ne" title="Hydrogène">H</a> </td> <td>  </td> <td colspan="16">  </td> <td style="border:1px solid #aaaaaa;background-color:#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 #aaaaaa;background-color:#F66"><a href="/wiki/Lithium" title="Lithium">Li</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F6CFA1"><a href="/wiki/B%C3%A9ryllium" title="Béryllium">Be</a> </td> <td colspan="11">  </td> <td style="border:1px solid #aaaaaa;background-color:#CC9"><a href="/wiki/Bore" title="Bore">B</a> </td> <td style="border:1px solid #aaaaaa;background-color:#A0FFA0"><a href="/wiki/Carbone" title="Carbone">C</a> </td> <td style="border:1px solid #aaaaaa;background-color:#A0FFA0"><a href="/wiki/Azote" title="Azote">N</a> </td> <td style="border:1px solid #aaaaaa;background-color:#A0FFA0"><a href="/wiki/Oxyg%C3%A8ne" title="Oxygène">O</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FF9"><a href="/wiki/Fluor" title="Fluor">F</a> </td> <td style="border:1px solid #aaaaaa;background-color:#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 #aaaaaa;background-color:#F66"><a href="/wiki/Sodium" title="Sodium">Na</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F6CFA1"><a href="/wiki/Magn%C3%A9sium" title="Magnésium">Mg</a> </td> <td colspan="11">  </td> <td style="border:1px solid #aaaaaa;background-color:#CCC"><a href="/wiki/Aluminium" title="Aluminium">Al</a> </td> <td style="border:1px solid #aaaaaa;background-color:#CC9"><a href="/wiki/Silicium" title="Silicium">Si</a> </td> <td style="border:1px solid #aaaaaa;background-color:#A0FFA0"><a href="/wiki/Phosphore" title="Phosphore">P</a> </td> <td style="border:1px solid #aaaaaa;background-color:#A0FFA0"><a href="/wiki/Soufre" title="Soufre">S</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FF9"><a href="/wiki/Chlore" title="Chlore">Cl</a> </td> <td style="border:1px solid #aaaaaa;background-color:#C0E8FF"><a href="/wiki/Argon" title="Argon">Ar</a> </td></tr> <tr> <td><a class="mw-selflink selflink">4</a> </td> <td style="border:2px solid black;background-color:#F66"><a href="/wiki/Potassium" title="Potassium">K</a> </td> <td style="border:2px solid black;background-color:#F6CFA1"><a href="/wiki/Calcium" title="Calcium">Ca</a> </td> <td>  </td> <td style="border:2px solid black;background-color:#FFC0C0"><a href="/wiki/Scandium" title="Scandium">Sc</a> </td> <td style="border:2px solid black;background-color:#FFC0C0"><a href="/wiki/Titane" title="Titane">Ti</a> </td> <td style="border:2px solid black;background-color:#FFC0C0"><a href="/wiki/Vanadium" title="Vanadium">V</a> </td> <td style="border:2px solid black;background-color:#FFC0C0"><a href="/wiki/Chrome" title="Chrome">Cr</a> </td> <td style="border:2px solid black;background-color:#FFC0C0"><a href="/wiki/Mangan%C3%A8se" title="Manganèse">Mn</a> </td> <td style="border:2px solid black;background-color:#FFC0C0"><a href="/wiki/Fer" title="Fer">Fe</a> </td> <td style="border:2px solid black;background-color:#FFC0C0"><a href="/wiki/Cobalt" title="Cobalt">Co</a> </td> <td style="border:2px solid black;background-color:#FFC0C0"><a href="/wiki/Nickel" title="Nickel">Ni</a> </td> <td style="border:2px solid black;background-color:#FFC0C0"><a href="/wiki/Cuivre" title="Cuivre">Cu</a> </td> <td style="border:2px solid black;background-color:#CCC"><a href="/wiki/Zinc" title="Zinc">Zn</a> </td> <td style="border:2px solid black;background-color:#CCC"><a href="/wiki/Gallium" title="Gallium">Ga</a> </td> <td style="border:2px solid black;background-color:#CC9"><a href="/wiki/Germanium" title="Germanium">Ge</a> </td> <td style="border:2px solid black;background-color:#CC9"><a href="/wiki/Arsenic" title="Arsenic">As</a> </td> <td style="border:2px solid black;background-color:#A0FFA0"><a href="/wiki/S%C3%A9l%C3%A9nium" title="Sélénium">Se</a> </td> <td style="border:2px solid black;background-color:#FF9"><a href="/wiki/Brome" title="Brome">Br</a> </td> <td style="border:2px solid black;background-color:#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 #aaaaaa;background-color:#F66"><a href="/wiki/Rubidium" title="Rubidium">Rb</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F6CFA1"><a href="/wiki/Strontium" title="Strontium">Sr</a> </td> <td>  </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Yttrium" title="Yttrium">Y</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Zirconium" title="Zirconium">Zr</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Niobium" title="Niobium">Nb</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Molybd%C3%A8ne" title="Molybdène">Mo</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Techn%C3%A9tium" title="Technétium">Tc</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Ruth%C3%A9nium" title="Ruthénium">Ru</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Rhodium" title="Rhodium">Rh</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Palladium" title="Palladium">Pd</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Argent" title="Argent">Ag</a> </td> <td style="border:1px solid #aaaaaa;background-color:#CCC"><a href="/wiki/Cadmium" title="Cadmium">Cd</a> </td> <td style="border:1px solid #aaaaaa;background-color:#CCC"><a href="/wiki/Indium" title="Indium">In</a> </td> <td style="border:1px solid #aaaaaa;background-color:#CCC"><a href="/wiki/%C3%89tain" title="Étain">Sn</a> </td> <td style="border:1px solid #aaaaaa;background-color:#CC9"><a href="/wiki/Antimoine" title="Antimoine">Sb</a> </td> <td style="border:1px solid #aaaaaa;background-color:#CC9"><a href="/wiki/Tellure" title="Tellure">Te</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FF9"><a href="/wiki/Iode" title="Iode">I</a> </td> <td style="border:1px solid #aaaaaa;background-color:#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 #aaaaaa;background-color:#F66"><a href="/wiki/C%C3%A9sium" title="Césium">Cs</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F6CFA1"><a href="/wiki/Baryum" title="Baryum">Ba</a> </td> <td style="line-height:0.4;vertical-align:center;background-color:#FBF"><br />* </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Lut%C3%A9cium" title="Lutécium">Lu</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Hafnium" title="Hafnium">Hf</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Tantale_(chimie)" title="Tantale (chimie)">Ta</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Tungst%C3%A8ne" title="Tungstène">W</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Rh%C3%A9nium" title="Rhénium">Re</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Osmium" title="Osmium">Os</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Iridium" title="Iridium">Ir</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Platine" title="Platine">Pt</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Or" title="Or">Au</a> </td> <td style="border:1px solid #aaaaaa;background-color:#CCC"><a href="/wiki/Mercure_(chimie)" title="Mercure (chimie)">Hg</a> </td> <td style="border:1px solid #aaaaaa;background-color:#CCC"><a href="/wiki/Thallium" title="Thallium">Tl</a> </td> <td style="border:1px solid #aaaaaa;background-color:#CCC"><a href="/wiki/Plomb" title="Plomb">Pb</a> </td> <td style="border:1px solid #aaaaaa;background-color:#CCC"><a href="/wiki/Bismuth" title="Bismuth">Bi</a> </td> <td style="border:1px solid #aaaaaa;background-color:#CCC"><a href="/wiki/Polonium" title="Polonium">Po</a> </td> <td style="border:1px solid #aaaaaa;background-color:#CC9"><a href="/wiki/Astate" title="Astate">At</a> </td> <td style="border:1px solid #aaaaaa;background-color:#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 #aaaaaa;background-color:#F66"><a href="/wiki/Francium" title="Francium">Fr</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F6CFA1"><a href="/wiki/Radium" title="Radium">Ra</a> </td> <td style="line-height:0.4;vertical-align:center;background-color:#F9C"><br />*<br />* </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Lawrencium" title="Lawrencium">Lr</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Rutherfordium" title="Rutherfordium">Rf</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Dubnium" title="Dubnium">Db</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Seaborgium" title="Seaborgium">Sg</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Bohrium" title="Bohrium">Bh</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Hassium" title="Hassium">Hs</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F7F8FF"><a href="/wiki/Meitn%C3%A9rium" title="Meitnérium">Mt</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F7F8FF"><a href="/wiki/Darmstadtium" title="Darmstadtium">Ds</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F7F8FF"><a href="/wiki/Roentgenium" title="Roentgenium">Rg</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FFC0C0"><a href="/wiki/Copernicium" title="Copernicium">Cn</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F7F8FF"><a href="/wiki/Nihonium" title="Nihonium">Nh</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F7F8FF"><a href="/wiki/Fl%C3%A9rovium" title="Flérovium">Fl</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F7F8FF"><a href="/wiki/Moscovium" title="Moscovium">Mc</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F7F8FF"><a href="/wiki/Livermorium" title="Livermorium">Lv</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F7F8FF"><a href="/wiki/Tennesse" title="Tennesse">Ts</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F7F8FF"><a href="/wiki/Oganesson" title="Oganesson">Og</a> </td></tr> <tr> <td colspan="3">  </td> <td>↓ </td> <td colspan="14">  </td> <td colspan="2">  </td></tr> <tr> <td colspan="3">  </td> <td style="line-height:0.4;vertical-align:center"><br />* </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Lanthane" title="Lanthane">La</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/C%C3%A9rium" title="Cérium">Ce</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Pras%C3%A9odyme" title="Praséodyme">Pr</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/N%C3%A9odyme" title="Néodyme">Nd</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Prom%C3%A9thium" title="Prométhium">Pm</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Samarium" title="Samarium">Sm</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Europium" title="Europium">Eu</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Gadolinium" title="Gadolinium">Gd</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Terbium" title="Terbium">Tb</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Dysprosium" title="Dysprosium">Dy</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Holmium" title="Holmium">Ho</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Erbium" title="Erbium">Er</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Thulium" title="Thulium">Tm</a> </td> <td style="border:1px solid #aaaaaa;background-color:#FBF"><a href="/wiki/Ytterbium" title="Ytterbium">Yb</a> </td> <td colspan="2">  </td></tr> <tr> <td colspan="3">  </td> <td style="line-height:0.4;vertical-align:center"><br />*<br />* </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Actinium" title="Actinium">Ac</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Thorium" title="Thorium">Th</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Protactinium" title="Protactinium">Pa</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Uranium" title="Uranium">U</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Neptunium" title="Neptunium">Np</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Plutonium" title="Plutonium">Pu</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Am%C3%A9ricium" title="Américium">Am</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Curium" title="Curium">Cm</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Berk%C3%A9lium" title="Berkélium">Bk</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Californium" title="Californium">Cf</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Einsteinium" title="Einsteinium">Es</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Fermium" title="Fermium">Fm</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Mend%C3%A9l%C3%A9vium" title="Mendélévium">Md</a> </td> <td style="border:1px solid #aaaaaa;background-color:#F9C"><a href="/wiki/Nob%C3%A9lium" title="Nobélium">No</a> </td> <td colspan="2">  </td></tr> <tr> <td colspan="3">  </td> <td>  </td> <td colspan="14">  </td> <td colspan="2">  </td></tr></tbody></table> <dl><dd><table class="wikitable"> <tbody><tr> <th colspan="3"><a href="/wiki/%C3%89l%C3%A9ment_chimique" title="Élément chimique">Élément chimique</a> </th> <th><a href="/wiki/Famille_d%27%C3%A9l%C3%A9ments_chimiques" title="Famille d'éléments chimiques">Famille d'éléments</a> </th> <th><a href="/wiki/Configuration_%C3%A9lectronique" title="Configuration électronique">Configuration électronique</a><sup id="cite_ref-CRC_Handbook_1-0" class="reference"><a href="#cite_note-CRC_Handbook-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup> </th></tr> <tr> <td>19 </td> <th>K </th> <td><a href="/wiki/Potassium" title="Potassium">Potassium</a> </td> <td><a href="/wiki/M%C3%A9tal_alcalin" title="Métal alcalin">Métal alcalin</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>1</sup></span> </td></tr> <tr> <td>20 </td> <th>Ca </th> <td><a href="/wiki/Calcium" title="Calcium">Calcium</a> </td> <td><a href="/wiki/M%C3%A9tal_alcalino-terreux" title="Métal alcalino-terreux">Métal alcalino-terreux</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup></span> </td></tr> <tr> <td>21 </td> <th>Sc </th> <td><a href="/wiki/Scandium" title="Scandium">Scandium</a> </td> <td><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métal de transition</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>1</sup></span> </td></tr> <tr> <td>22 </td> <th>Ti </th> <td><a href="/wiki/Titane" title="Titane">Titane</a> </td> <td><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métal de transition</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>2</sup></span> </td></tr> <tr> <td>23 </td> <th>V </th> <td><a href="/wiki/Vanadium" title="Vanadium">Vanadium</a> </td> <td><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métal de transition</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>3</sup></span> </td></tr> <tr> <td>24 </td> <th>Cr </th> <td><a href="/wiki/Chrome" title="Chrome">Chrome</a> </td> <td><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métal de transition</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>1</sup> 3d<sup>5</sup> ( <b>*</b> )</span> </td></tr> <tr> <td>25 </td> <th>Mn </th> <td><a href="/wiki/Mangan%C3%A8se" title="Manganèse">Manganèse</a> </td> <td><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métal de transition</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>5</sup></span> </td></tr> <tr> <td>26 </td> <th>Fe </th> <td><a href="/wiki/Fer" title="Fer">Fer</a> </td> <td><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métal de transition</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>6</sup></span> </td></tr> <tr> <td>27 </td> <th>Co </th> <td><a href="/wiki/Cobalt" title="Cobalt">Cobalt</a> </td> <td><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métal de transition</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>7</sup></span> </td></tr> <tr> <td>28 </td> <th>Ni </th> <td><a href="/wiki/Nickel" title="Nickel">Nickel</a> </td> <td><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métal de transition</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>8</sup></span> </td></tr> <tr> <td>29 </td> <th>Cu </th> <td><a href="/wiki/Cuivre" title="Cuivre">Cuivre</a> </td> <td><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métal de transition</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>1</sup> 3d<sup>10</sup> ( <b>*</b> )</span> </td></tr> <tr> <td>30 </td> <th>Zn </th> <td><a href="/wiki/Zinc" title="Zinc">Zinc</a> </td> <td><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métal de transition</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>10</sup></span> </td></tr> <tr> <td>31 </td> <th>Ga </th> <td><a href="/wiki/Gallium" title="Gallium">Gallium</a> </td> <td><a href="/wiki/M%C3%A9tal_pauvre" title="Métal pauvre">Métal pauvre</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>10</sup> 4p<sup>1</sup></span> </td></tr> <tr> <td>32 </td> <th>Ge </th> <td><a href="/wiki/Germanium" title="Germanium">Germanium</a> </td> <td><a href="/wiki/M%C3%A9tallo%C3%AFde" title="Métalloïde">Métalloïde</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>10</sup> 4p<sup>2</sup></span> </td></tr> <tr> <td>33 </td> <th>As </th> <td><a href="/wiki/Arsenic" title="Arsenic">Arsenic</a> </td> <td><a href="/wiki/M%C3%A9tallo%C3%AFde" title="Métalloïde">Métalloïde</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>10</sup> 4p<sup>3</sup></span> </td></tr> <tr> <td>34 </td> <th>Se </th> <td><a href="/wiki/S%C3%A9l%C3%A9nium" title="Sélénium">Sélénium</a> </td> <td><a href="/wiki/Non-m%C3%A9tal" title="Non-métal">Non-métal</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>10</sup> 4p<sup>4</sup></span> </td></tr> <tr> <td>35 </td> <th>Br </th> <td><a href="/wiki/Brome" title="Brome">Brome</a> </td> <td><a href="/wiki/Halog%C3%A8ne" title="Halogène">Halogène</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>10</sup> 4p<sup>5</sup></span> </td></tr> <tr> <td>36 </td> <th>Kr </th> <td><a href="/wiki/Krypton" title="Krypton">Krypton</a> </td> <td><a href="/wiki/Gaz_noble" title="Gaz noble">Gaz noble</a> </td> <td><span class="nowrap">[<a href="/wiki/Argon" title="Argon">Ar</a>] 4s<sup>2</sup> 3d<sup>10</sup> 4p<sup>6</sup></span> </td></tr></tbody></table></dd></dl> <dl><dd>( <b>*</b> )   Exceptions à la <a href="/wiki/R%C3%A8gle_de_Klechkowski" title="Règle de Klechkowski">règle de Klechkowski</a> : <a href="/wiki/Chrome" title="Chrome">chrome</a> <sub>24</sub>Cr et <a href="/wiki/Cuivre" title="Cuivre">cuivre</a> <sub>29</sub>Cu.</dd></dl> <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=P%C3%A9riode_4_du_tableau_p%C3%A9riodique&veaction=edit&section=1" 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=P%C3%A9riode_4_du_tableau_p%C3%A9riodique&action=edit&section=1" 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-CRC_Handbook-1"><span class="mw-cite-backlink noprint"><a href="#cite_ref-CRC_Handbook_1-0">↑</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> </ol></div> </div> <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 class="mw-selflink selflink">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 href="/wiki/M%C3%A9tal_alcalino-terreux" title="Métal alcalino-terreux">Métaux alcalino-terreux</a> </td> <td style="padding:1px .25em;width:72px;text-align:center;border:1px solid darkgrey;background-color:#FBF"><a href="/wiki/Lanthanide" title="Lanthanide">Lanthanides</a> </td> <td rowspan="3" style="padding:1px .25em;width:74px;text-align:center;border:1px solid #AAA;background:#FFC0C0"><a href="/wiki/M%C3%A9tal_de_transition" title="Métal de transition">Métaux de transition</a> </td> <td rowspan="3" style="padding:1px .25em;width:74px;text-align:center;border:1px solid #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> <div class="navbox-container" style="clear:both;"> <table class="navbox collapsible noprint autocollapse" style=""> <tbody><tr><th class="navbox-title" colspan="2" style=""><div style="float:left; width:6em; text-align:left"><div class="noprint plainlinks nowrap tnavbar" style="padding:0; font-size:xx-small; color:var(--color-emphasized, #000000);"><a href="/wiki/Mod%C3%A8le:Palette_P%C3%A9riodes_du_tableau_p%C3%A9riodique" title="Modèle:Palette Périodes du tableau périodique"><abbr class="abbr" title="Voir ce modèle.">v</abbr></a> · <a class="external text" href="https://fr.wikipedia.org/w/index.php?title=Mod%C3%A8le:Palette_P%C3%A9riodes_du_tableau_p%C3%A9riodique&action=edit"><abbr class="abbr" title="Modifier ce modèle. Merci de prévisualiser avant de sauvegarder.">m</abbr></a></div></div><div style="font-size:110%"><a href="/wiki/P%C3%A9riode_du_tableau_p%C3%A9riodique" title="Période du tableau périodique">Périodes du tableau périodique</a></div></th> </tr> <tr> <td class="navbox-list" style="text-align:center;;" colspan="2"><div class="liste-horizontale"> <ul><li><a href="/wiki/P%C3%A9riode_1_du_tableau_p%C3%A9riodique" title="Période 1 du tableau périodique">Période 1</a></li> <li><a href="/wiki/P%C3%A9riode_2_du_tableau_p%C3%A9riodique" title="Période 2 du tableau périodique">Période 2</a></li> <li><a href="/wiki/P%C3%A9riode_3_du_tableau_p%C3%A9riodique" title="Période 3 du tableau périodique">Période 3</a></li> <li><a class="mw-selflink selflink">Période 4</a></li> <li><a href="/wiki/P%C3%A9riode_5_du_tableau_p%C3%A9riodique" title="Période 5 du tableau périodique">Période 5</a></li> <li><a href="/wiki/P%C3%A9riode_6_du_tableau_p%C3%A9riodique" title="Période 6 du tableau périodique">Période 6</a></li> <li><a href="/wiki/P%C3%A9riode_7_du_tableau_p%C3%A9riodique" title="Période 7 du tableau périodique">Période 7</a></li> <li><a href="/wiki/P%C3%A9riode_8_du_tableau_p%C3%A9riodique" title="Période 8 du tableau périodique">Période 8</a></li> <li><a href="/wiki/P%C3%A9riode_9_du_tableau_p%C3%A9riodique" title="Période 9 du tableau périodique">Période 9</a></li></ul> </div></td> </tr> <tr> <td class="navbox-banner" style="" colspan="2"><div class="liste-horizontale"><b>Voir aussi</b> : <ul><li><a href="/wiki/Groupe_du_tableau_p%C3%A9riodique" title="Groupe du tableau périodique">Groupe du tableau périodique</a></li> <li><a href="/wiki/Bloc_du_tableau_p%C3%A9riodique" title="Bloc du tableau périodique">Bloc du tableau périodique</a></li></ul> </div></td></tr></tbody></table> </div> <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" data-file-width="128" data-file-height="128" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:Chimie" title="Portail:Chimie">Portail de la chimie</a></span> </span></li> </ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Ce document provient de « <a dir="ltr" href="https://fr.wikipedia.org/w/index.php?title=Période_4_du_tableau_périodique&oldid=155164642">https://fr.wikipedia.org/w/index.php?title=Période_4_du_tableau_périodique&oldid=155164642</a> ».</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Cat%C3%A9gorie:Accueil" title="Catégorie:Accueil">Catégorie</a> : <ul><li><a href="/wiki/Cat%C3%A9gorie:%C3%89l%C3%A9ment_chimique_par_p%C3%A9riode" title="Catégorie:Élément chimique par période">Élément chimique par période</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Catégories cachées : <ul><li><a href="/wiki/Cat%C3%A9gorie:Portail:Chimie/Articles_li%C3%A9s" title="Catégorie:Portail:Chimie/Articles liés">Portail:Chimie/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Sciences/Articles_li%C3%A9s" title="Catégorie:Portail:Sciences/Articles liés">Portail:Sciences/Articles liés</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> La dernière modification de cette page a été faite le 27 décembre 2018 à 16:52.</li> <li id="footer-info-copyright"><span style="white-space: normal"><a href="/wiki/Wikip%C3%A9dia:Citation_et_r%C3%A9utilisation_du_contenu_de_Wikip%C3%A9dia" title="Wikipédia:Citation et réutilisation du contenu de Wikipédia">Droit d'auteur</a> : les textes sont disponibles sous <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr">licence Creative Commons attribution, partage dans les mêmes conditions</a> ; d’autres conditions peuvent s’appliquer. 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