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class="vector-toc-numb">4</span> <span>The noble gases</span> </div> </a> <ul id="toc-The_noble_gases-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" 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="Toggle the table of contents" > <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 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Available in 78 languages" > <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-78" 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">78 languages</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/Groep_(periodieke_tabel)" title="Groep (periodieke tabel) – Afrikaans" lang="af" hreflang="af" data-title="Groep (periodieke tabel)" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Gruppe_des_Periodensystems" title="Gruppe des Periodensystems – Alemannic" lang="gsw" hreflang="gsw" data-title="Gruppe des Periodensystems" data-language-autonym="Alemannisch" data-language-local-name="Alemannic" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-smn mw-list-item"><a href="https://smn.wikipedia.org/wiki/Ju%C3%A1vkku_(r%C3%A1i%C4%91ul%C3%A2%C5%A1_vu%C3%A1h%C3%A1d%C3%A2h)" title="Juávkku (ráiđulâš vuáhádâh) – Inari Sami" lang="smn" hreflang="smn" data-title="Juávkku (ráiđulâš vuáhádâh)" data-language-autonym="Anarâškielâ" data-language-local-name="Inari Sami" class="interlanguage-link-target"><span>Anarâškielâ</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D8%AC%D9%85%D9%88%D8%B9%D8%A9_(%D8%AC%D8%AF%D9%88%D9%84_%D8%AF%D9%88%D8%B1%D9%8A)" title="مجموعة (جدول دوري) – Arabic" lang="ar" hreflang="ar" data-title="مجموعة (جدول دوري)" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Grupo_d%27a_tabla_periodica" title="Grupo d'a tabla periodica – Aragonese" lang="an" hreflang="an" data-title="Grupo d'a tabla periodica" data-language-autonym="Aragonés" data-language-local-name="Aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Grupu_de_la_tabla_peri%C3%B3dica" title="Grupu de la tabla periódica – Asturian" lang="ast" hreflang="ast" data-title="Grupu de la tabla periódica" data-language-autonym="Asturianu" data-language-local-name="Asturian" 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_c%C9%99dv%C9%99l_qrupu" title="Dövri cədvəl qrupu – Azerbaijani" lang="az" hreflang="az" data-title="Dövri cədvəl qrupu" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" 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/Watek_(tab%C3%A9l_p%C3%A9riodik)" title="Watek (tabél périodik) – Balinese" lang="ban" hreflang="ban" data-title="Watek (tabél périodik)" data-language-autonym="Basa Bali" data-language-local-name="Balinese" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B6%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A3%E0%A6%BF_(%E0%A6%AA%E0%A6%B0%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AF%E0%A6%BC_%E0%A6%B8%E0%A6%BE%E0%A6%B0%E0%A6%A3%E0%A6%BF)" title="শ্রেণি (পর্যায় সারণি) – Bangla" lang="bn" hreflang="bn" data-title="শ্রেণি (পর্যায় সারণি)" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Go%C3%A2n-s%C3%B2%CD%98_%C3%AA_cho%CC%8Dk" title="Goân-sò͘ ê cho̍k – Minnan" lang="nan" hreflang="nan" data-title="Goân-sò͘ ê cho̍k" 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-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%93%D1%80%D1%83%D0%BF%D0%B0_%D0%BF%D0%B5%D1%80%D1%8B%D1%8F%D0%B4%D1%8B%D1%87%D0%BD%D0%B0%D0%B9_%D1%81%D1%96%D1%81%D1%82%D1%8D%D0%BC%D1%8B" title="Група перыядычнай сістэмы – Belarusian" lang="be" hreflang="be" data-title="Група перыядычнай сістэмы" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%93%D1%80%D1%83%D0%BF%D0%B0_%D0%BD%D0%B0_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B8%D1%87%D0%BD%D0%B0%D1%82%D0%B0_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0" title="Група на периодичната система – Bulgarian" lang="bg" hreflang="bg" data-title="Група на периодичната система" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Grupa_periodnog_sistema_elemenata" title="Grupa periodnog sistema elemenata – Bosnian" lang="bs" hreflang="bs" data-title="Grupa periodnog sistema elemenata" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Strollad_eus_an_daolenn_beriodek" title="Strollad eus an daolenn beriodek – Breton" lang="br" hreflang="br" data-title="Strollad eus an daolenn beriodek" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Grup_de_la_taula_peri%C3%B2dica" title="Grup de la taula periòdica – Catalan" lang="ca" hreflang="ca" data-title="Grup de la taula periòdica" 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/Skupina_(periodick%C3%A1_tabulka)" title="Skupina (periodická tabulka) – Czech" lang="cs" hreflang="cs" data-title="Skupina (periodická tabulka)" data-language-autonym="Čeština" data-language-local-name="Czech" 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/Gr%C5%B5p_yn_y_tabl_cyfnodol" title="Grŵp yn y tabl cyfnodol – Welsh" lang="cy" hreflang="cy" data-title="Grŵp yn y tabl cyfnodol" data-language-autonym="Cymraeg" data-language-local-name="Welsh" 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/Gruppe_(periodiske_system)" title="Gruppe (periodiske system) – Danish" lang="da" hreflang="da" data-title="Gruppe (periodiske system)" data-language-autonym="Dansk" data-language-local-name="Danish" 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/Gruppe_des_Periodensystems" title="Gruppe des Periodensystems – German" lang="de" hreflang="de" data-title="Gruppe des Periodensystems" data-language-autonym="Deutsch" data-language-local-name="German" 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%9F%CE%BC%CE%AC%CE%B4%CE%B1_%CF%80%CE%B5%CF%81%CE%B9%CE%BF%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D_%CF%80%CE%AF%CE%BD%CE%B1%CE%BA%CE%B1" title="Ομάδα περιοδικού πίνακα – Greek" lang="el" hreflang="el" data-title="Ομάδα περιοδικού πίνακα" data-language-autonym="Ελληνικά" data-language-local-name="Greek" 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/Group_(periodic_table)" title="Group (periodic table) – English" lang="en" hreflang="en" data-title="Group (periodic table)" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es badge-Q70893996 mw-list-item" title=""><a href="https://es.wikipedia.org/wiki/Grupo_de_la_tabla_peri%C3%B3dica" title="Grupo de la tabla periódica – Spanish" lang="es" hreflang="es" data-title="Grupo de la tabla periódica" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Grupo_de_la_perioda_tabelo" title="Grupo de la perioda tabelo – Esperanto" lang="eo" hreflang="eo" data-title="Grupo de la perioda tabelo" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Taula_periodikoko_talde" title="Taula periodikoko talde – Basque" lang="eu" hreflang="eu" data-title="Taula periodikoko talde" 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/%DA%AF%D8%B1%D9%88%D9%87%E2%80%8C%D9%87%D8%A7%DB%8C_%D8%AC%D8%AF%D9%88%D9%84_%D8%AA%D9%86%D8%A7%D9%88%D8%A8%DB%8C" title="گروه‌های جدول تناوبی – Persian" lang="fa" hreflang="fa" data-title="گروه‌های جدول تناوبی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Groupe_du_tableau_p%C3%A9riodique" title="Groupe du tableau périodique – French" lang="fr" hreflang="fr" data-title="Groupe du tableau périodique" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Gemyske_kloft" title="Gemyske kloft – Western Frisian" lang="fy" hreflang="fy" data-title="Gemyske kloft" data-language-autonym="Frysk" data-language-local-name="Western Frisian" 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/Gr%C3%BApa%C3%AD_an_t%C3%A1bla_pheiriadaigh" title="Grúpaí an tábla pheiriadaigh – Irish" lang="ga" hreflang="ga" data-title="Grúpaí an tábla pheiriadaigh" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Possan_(y_taabyl_reiltagh)" title="Possan (y taabyl reiltagh) – Manx" lang="gv" hreflang="gv" data-title="Possan (y taabyl reiltagh)" data-language-autonym="Gaelg" data-language-local-name="Manx" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Grupo_da_t%C3%A1boa_peri%C3%B3dica" title="Grupo da táboa periódica – Galician" lang="gl" hreflang="gl" data-title="Grupo da táboa periódica" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A1%B1_(%EC%A3%BC%EA%B8%B0%EC%9C%A8%ED%91%9C)" title="족 (주기율표) – Korean" lang="ko" hreflang="ko" data-title="족 (주기율표)" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8A%D5%A1%D6%80%D5%A2%D5%A5%D6%80%D5%A1%D5%AF%D5%A1%D5%B6_%D5%A1%D5%B2%D5%B5%D5%B8%D6%82%D5%BD%D5%A1%D5%AF%D5%AB_%D5%AD%D5%B8%D6%82%D5%B4%D5%A2" title="Պարբերական աղյուսակի խումբ – Armenian" lang="hy" hreflang="hy" data-title="Պարբերական աղյուսակի խումբ" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B8%E0%A4%AE%E0%A5%82%E0%A4%B9_(%E0%A4%86%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%A4_%E0%A4%B8%E0%A4%BE%E0%A4%B0%E0%A4%A3%E0%A5%80)" title="समूह (आवर्त सारणी) – Hindi" lang="hi" hreflang="hi" data-title="समूह (आवर्त सारणी)" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Skupina_periodnog_sustava" title="Skupina periodnog sustava – Croatian" lang="hr" hreflang="hr" data-title="Skupina periodnog sustava" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Golongan_tabel_periodik" title="Golongan tabel periodik – Indonesian" lang="id" hreflang="id" data-title="Golongan tabel periodik" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Gruppos_del_tabella_periodic" title="Gruppos del tabella periodic – Interlingua" lang="ia" hreflang="ia" data-title="Gruppos del tabella periodic" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Efnaflokkur" title="Efnaflokkur – Icelandic" lang="is" hreflang="is" data-title="Efnaflokkur" data-language-autonym="Íslenska" data-language-local-name="Icelandic" 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/Gruppo_della_tavola_periodica" title="Gruppo della tavola periodica – Italian" lang="it" hreflang="it" data-title="Gruppo della tavola periodica" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A7%D7%91%D7%95%D7%A6%D7%94_(%D7%9B%D7%99%D7%9E%D7%99%D7%94)" title="קבוצה (כימיה) – Hebrew" lang="he" hreflang="he" data-title="קבוצה (כימיה)" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Golongan_tab%C3%A8l_p%C3%A9riodik" title="Golongan tabèl périodik – Javanese" lang="jv" hreflang="jv" data-title="Golongan tabèl périodik" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Grex_(systema_periodicum)" title="Grex (systema periodicum) – Latin" lang="la" hreflang="la" data-title="Grex (systema periodicum)" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Periodisk%C4%81s_tabulas_grupa" title="Periodiskās tabulas grupa – Latvian" lang="lv" hreflang="lv" data-title="Periodiskās tabulas grupa" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Grupp_de_la_taula_peri%C3%B2dica" title="Grupp de la taula periòdica – Lombard" lang="lmo" hreflang="lmo" data-title="Grupp de la taula periòdica" 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/%D0%93%D1%80%D1%83%D0%BF%D0%B0_(%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B5%D0%BD_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC)" title="Група (периоден систем) – Macedonian" lang="mk" hreflang="mk" data-title="Група (периоден систем)" data-language-autonym="Македонски" data-language-local-name="Macedonian" 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%97%E0%B5%8D%E0%B4%B0%E0%B5%82%E0%B4%AA%E0%B5%8D%E0%B4%AA%E0%B5%8D_(%E0%B4%86%E0%B4%B5%E0%B5%BC%E0%B4%A4%E0%B5%8D%E0%B4%A4%E0%B4%A8%E0%B4%AA%E0%B5%8D%E0%B4%AA%E0%B4%9F%E0%B5%8D%E0%B4%9F%E0%B4%BF%E0%B4%95)" title="ഗ്രൂപ്പ് (ആവർത്തനപ്പട്ടിക) – Malayalam" lang="ml" hreflang="ml" data-title="ഗ്രൂപ്പ് (ആവർത്തനപ്പട്ടിക)" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mi mw-list-item"><a href="https://mi.wikipedia.org/wiki/R%C5%8Dp%C5%AB_ripanga_p%C5%ABmotu" title="Rōpū ripanga pūmotu – Māori" lang="mi" hreflang="mi" data-title="Rōpū ripanga pūmotu" data-language-autonym="Māori" data-language-local-name="Māori" class="interlanguage-link-target"><span>Māori</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Kumpulan_jadual_berkala" title="Kumpulan jadual berkala – Malay" lang="ms" hreflang="ms" data-title="Kumpulan jadual berkala" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D2%AE%D0%B5%D0%BB%D1%8D%D1%85_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B8%D0%B9%D0%BD_%D0%B1%D2%AF%D0%BB%D1%8D%D0%B3" title="Үелэх системийн бүлэг – Mongolian" lang="mn" hreflang="mn" data-title="Үелэх системийн бүлэг" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Groep_(periodiek_systeem)" title="Groep (periodiek systeem) – Dutch" lang="nl" hreflang="nl" data-title="Groep (periodiek systeem)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%85%83%E7%B4%A0%E3%81%AE%E6%97%8F" title="元素の族 – Japanese" lang="ja" hreflang="ja" data-title="元素の族" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Periodesystemets_grupper" title="Periodesystemets grupper – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Periodesystemets grupper" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Gruppene_i_periodesystemet" title="Gruppene i periodesystemet – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Gruppene i periodesystemet" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%B6%E0%AD%8D%E0%AC%B0%E0%AD%87%E0%AC%A3%E0%AD%80_(%E0%AC%AA%E0%AC%B0%E0%AD%8D%E0%AC%AF%E0%AD%8D%E0%AD%9F%E0%AC%BE%E0%AD%9F_%E0%AC%B8%E0%AC%BE%E0%AC%B0%E0%AC%A3%E0%AD%80)" title="ଶ୍ରେଣୀ (ପର୍ଯ୍ୟାୟ ସାରଣୀ) – Odia" lang="or" hreflang="or" data-title="ଶ୍ରେଣୀ (ପର୍ଯ୍ୟାୟ ସାରଣୀ)" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="Odia" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Grupp_(Chemie)" title="Grupp (Chemie) – Low German" lang="nds" hreflang="nds" data-title="Grupp (Chemie)" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Grupa_uk%C5%82adu_okresowego" title="Grupa układu okresowego – Polish" lang="pl" hreflang="pl" data-title="Grupa układu okresowego" data-language-autonym="Polski" data-language-local-name="Polish" 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/Grupo_(qu%C3%ADmica)" title="Grupo (química) – Portuguese" lang="pt" hreflang="pt" data-title="Grupo (química)" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Grup%C4%83_(tabelul_periodic_al_elementelor)" title="Grupă (tabelul periodic al elementelor) – Romanian" lang="ro" hreflang="ro" data-title="Grupă (tabelul periodic al elementelor)" data-language-autonym="Română" data-language-local-name="Romanian" 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%93%D1%80%D1%83%D0%BF%D0%BF%D0%B0_%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="Группа периодической системы – Russian" lang="ru" hreflang="ru" data-title="Группа периодической системы" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Grupet_e_sistemit_periodik" title="Grupet e sistemit periodik – Albanian" lang="sq" hreflang="sq" data-title="Grupet e sistemit periodik" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Skupina_(periodick%C3%A1_tabu%C4%BEka)" title="Skupina (periodická tabuľka) – Slovak" lang="sk" hreflang="sk" data-title="Skupina (periodická tabuľka)" data-language-autonym="Slovenčina" data-language-local-name="Slovak" 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/Skupina_periodnega_sistema" title="Skupina periodnega sistema – Slovenian" lang="sl" hreflang="sl" data-title="Skupina periodnega sistema" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" 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/%D0%93%D1%80%D1%83%D0%BF%D0%B0_(%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%BD%D0%B8_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC)" title="Група (периодни систем) – Serbian" lang="sr" hreflang="sr" data-title="Група (периодни систем)" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh badge-Q70893996 mw-list-item" title=""><a href="https://sh.wikipedia.org/wiki/Grupa_periodnog_sistema" title="Grupa periodnog sistema – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Grupa periodnog sistema" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Golongan_tab%C3%A9l_periodik" title="Golongan tabél periodik – Sundanese" lang="su" hreflang="su" data-title="Golongan tabél periodik" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Ryhm%C3%A4_(jaksollinen_j%C3%A4rjestelm%C3%A4)" title="Ryhmä (jaksollinen järjestelmä) – Finnish" lang="fi" hreflang="fi" data-title="Ryhmä (jaksollinen järjestelmä)" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Periodiska_systemets_grupper" title="Periodiska systemets grupper – Swedish" lang="sv" hreflang="sv" data-title="Periodiska systemets grupper" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AF%86%E0%AE%9F%E0%AF%81%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AF%81%E0%AE%B4%E0%AF%81_(%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE_%E0%AE%85%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B5%E0%AE%A3%E0%AF%88)" title="நெடுங்குழு (தனிம அட்டவணை) – Tamil" lang="ta" hreflang="ta" data-title="நெடுங்குழு (தனிம அட்டவணை)" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%97%E0%B1%8D%E0%B0%B0%E0%B1%82%E0%B0%AA%E0%B1%8D_(%E0%B0%86%E0%B0%B5%E0%B0%B0%E0%B1%8D%E0%B0%A4%E0%B0%A8_%E0%B0%AA%E0%B0%9F%E0%B1%8D%E0%B0%9F%E0%B0%BF%E0%B0%95)" title="గ్రూప్ (ఆవర్తన పట్టిక) – Telugu" lang="te" hreflang="te" data-title="గ్రూప్ (ఆవర్తన పట్టిక)" data-language-autonym="తెలుగు" data-language-local-name="Telugu" 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%B8%AB%E0%B8%A1%E0%B8%B9%E0%B9%88_(%E0%B8%95%E0%B8%B2%E0%B8%A3%E0%B8%B2%E0%B8%87%E0%B8%98%E0%B8%B2%E0%B8%95%E0%B8%B8)" title="หมู่ (ตารางธาตุ) – Thai" lang="th" hreflang="th" data-title="หมู่ (ตารางธาตุ)" data-language-autonym="ไทย" data-language-local-name="Thai" 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/Grup_(periyodik_tablo)" title="Grup (periyodik tablo) – Turkish" lang="tr" hreflang="tr" data-title="Grup (periyodik tablo)" data-language-autonym="Türkçe" data-language-local-name="Turkish" 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%93%D1%80%D1%83%D0%BF%D0%B0_%D0%BF%D0%B5%D1%80%D1%96%D0%BE%D0%B4%D0%B8%D1%87%D0%BD%D0%BE%D1%97_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B8" title="Група періодичної системи – Ukrainian" lang="uk" hreflang="uk" data-title="Група періодичної системи" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%DA%AF%D8%B1%D9%88%DB%81_(%D8%AF%D9%88%D8%B1%DB%8C_%D8%AC%D8%AF%D9%88%D9%84)" title="گروہ (دوری جدول) – Urdu" lang="ur" hreflang="ur" data-title="گروہ (دوری جدول)" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Nh%C3%B3m_(b%E1%BA%A3ng_tu%E1%BA%A7n_ho%C3%A0n)" title="Nhóm (bảng tuần hoàn) – Vietnamese" lang="vi" hreflang="vi" data-title="Nhóm (bảng tuần hoàn)" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/Groep_(periodieke_tabelle)" title="Groep (periodieke tabelle) – West Flemish" lang="vls" hreflang="vls" data-title="Groep (periodieke tabelle)" data-language-autonym="West-Vlams" data-language-local-name="West Flemish" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Grupo_(taramdan_peryodika)" title="Grupo (taramdan peryodika) – Waray" lang="war" hreflang="war" data-title="Grupo (taramdan peryodika)" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%97%8F%EF%BC%88%E5%8C%96%E5%AD%A6%EF%BC%89" title="族（化学） – Wu" lang="wuu" hreflang="wuu" data-title="族（化学）" 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-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E6%97%8F_(%E5%85%83%E7%B4%A0%E9%80%B1%E6%9C%9F%E8%A1%A8)" title="族 (元素週期表) – Cantonese" lang="yue" hreflang="yue" data-title="族 (元素週期表)" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%97%8F_(%E5%8C%96%E5%AD%A6)" title="族 (化学) – Chinese" lang="zh" hreflang="zh" data-title="族 (化学)" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet 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#36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}html.client-js body.skin-minerva .mw-parser-output .mbox-text-span{margin-left:23px!important}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}</style><table class="box-No_sources plainlinks metadata ambox ambox-content" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-4.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/50px-Question_book-4.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/75px-Question_book-4.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/100px-Question_book-4.svg.png 2x" data-file-width="262" data-file-height="204" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article <b>does not have any <a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">sources</a></b>.<span class="hide-when-compact"> You can help Wikipedia by finding <a href="/wiki/Wikipedia:RELIABLE" class="mw-redirect" title="Wikipedia:RELIABLE">good</a> sources, and adding them.</span> <span class="date-container"><i>(<span class="date">February 2024</span>)</i></span></div></td></tr></tbody></table> <p>A <b>group</b> is any column on the <a href="/wiki/Periodic_table" title="Periodic table">periodic table</a>. Elements in the same group usually have similar <a href="/wiki/Physical_property" title="Physical property">properties</a>, because they have the same number of <a href="/wiki/Electrons" class="mw-redirect" title="Electrons">electrons</a> in the outermost <a href="/wiki/Electron_shell" title="Electron shell">electron shell</a>. There are eight main groups of elements, numbered 1, 2, and 13-18. The other ten groups are transition metals: </p> <ul><li>Group 1: the <a href="/wiki/Alkali_metal" title="Alkali metal">alkali metals</a> (<a href="/wiki/Lithium" title="Lithium">lithium</a> family) *not including <a href="/wiki/Hydrogen" title="Hydrogen">hydrogen</a></li> <li>Group 2: the <a href="/wiki/Alkaline_earth_metal" title="Alkaline earth metal">alkaline earth metals</a> (<a href="/wiki/Beryllium" title="Beryllium">beryllium</a> family)</li> <li>Groups 3-12: the <a href="/wiki/Transition_metal" title="Transition metal">transition metals</a></li> <li>Group 13: the <a href="/wiki/Boron_group" title="Boron group">triels</a> (<a href="/wiki/Boron" title="Boron">boron</a> family)</li> <li>Group 14: the <a href="/wiki/Carbon_group" class="mw-redirect" title="Carbon group">tetrels</a> (<a href="/wiki/Carbon" title="Carbon">carbon</a> family)</li> <li>Group 15: the <a href="/wiki/Pnictogen" title="Pnictogen">pnictogens</a> (<a href="/wiki/Nitrogen" title="Nitrogen">nitrogen</a> family)</li> <li>Group 16: the <a href="/wiki/Chalcogen" class="mw-redirect" title="Chalcogen">chalcogens</a> (<a href="/wiki/Oxygen" title="Oxygen">oxygen</a> family)</li> <li>Group 17: the <a href="/wiki/Halogen" title="Halogen">halogens</a> (<a href="/wiki/Fluorine" title="Fluorine">fluorine</a> family)</li> <li>Group 18: the <a href="/wiki/Noble_gas" title="Noble gas">noble gases</a> (<a href="/wiki/Helium" title="Helium">helium</a>/<a href="/wiki/Neon" title="Neon">neon</a> family)</li></ul> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Alkali_Metals">Alkali Metals</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Group_(periodic_table)&veaction=edit&section=1" title="Change section: Alkali Metals" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Group_(periodic_table)&action=edit&section=1" title="Edit section's source code: Alkali Metals"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>See <a href="/wiki/Alkali_metal" title="Alkali metal">Alkali metal</a> </p><p>The most reactive metals are <a href="/wiki/Lithium" title="Lithium">Lithium</a> (Li), <a href="/wiki/Sodium" title="Sodium">Sodium</a> (Na), <a href="/wiki/Potassium" title="Potassium">Potassium</a> (K), <a href="/wiki/Rubidium" title="Rubidium">Rubidium</a> (Rb), <a href="/wiki/Caesium" title="Caesium">Cesium</a> (Cs), and <a href="/wiki/Francium" title="Francium">Francium</a> (Fr) </p> <ul><li>never include hydrogen.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Alkaline_Earth_Metals">Alkaline Earth Metals</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Group_(periodic_table)&veaction=edit&section=2" title="Change section: Alkaline Earth Metals" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Group_(periodic_table)&action=edit&section=2" title="Edit section's source code: Alkaline Earth Metals"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>See <a href="/wiki/Alkaline_earth_metal" title="Alkaline earth metal">Alkaline earth metal</a>. They are <a href="/wiki/Beryllium" title="Beryllium">Beryllium</a> (Be), <a href="/wiki/Magnesium" title="Magnesium">Magnesium</a> (Mg), <a href="/wiki/Calcium" title="Calcium">Calcium</a> (Ca), <a href="/wiki/Strontium" title="Strontium">Strontium</a> (Sr), <a href="/wiki/Barium" title="Barium">Barium</a> (Ba), <a href="/wiki/Radium" title="Radium">Radium</a> (Ra) </p> <div class="mw-heading mw-heading2"><h2 id="Transition_groups">Transition groups</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Group_(periodic_table)&veaction=edit&section=3" title="Change section: Transition groups" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Group_(periodic_table)&action=edit&section=3" title="Edit section's source code: Transition groups"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>See <a href="/wiki/Transition_metals" class="mw-redirect" title="Transition metals">Transition metals</a>. Transition Metals are the most number of elements in the periodic table. They are <a href="/wiki/Iron" title="Iron">Iron</a> (Fe), <a href="/wiki/Copper" title="Copper">Copper</a> (Cu), <a href="/wiki/Zinc" title="Zinc">Zinc</a> (Zn), <a href="/wiki/Chromium" title="Chromium">Chromium</a> (Cr), <a href="/wiki/Cobalt" title="Cobalt">Cobalt</a> (Co), <a href="/wiki/Nickel" title="Nickel">Nickel</a> (Ni), <a href="/wiki/Manganese" title="Manganese">Manganese</a> (Mn), <a href="/wiki/Mercury_(element)" title="Mercury (element)">Mercury</a> (Hg), <a href="/wiki/Scandium" title="Scandium">Scandium</a> (Sc), <a href="/wiki/Titanium" title="Titanium">Titanium</a> (Ti), <a href="/wiki/Vanadium" title="Vanadium">Vanadium</a> (V), <a href="/wiki/Silver" title="Silver">Silver</a> (Ag), <a href="/wiki/Gold" title="Gold">Gold</a> (Au), <a href="/wiki/Cadmium" title="Cadmium">Cadmium</a> (Cd), <a href="/wiki/Tungsten" title="Tungsten">Tungsten</a> (W), <a href="/wiki/Platinum" title="Platinum">Platinum</a> (Pt), <a href="/wiki/Yttrium" title="Yttrium">Yttrium</a> (Y), <a href="/wiki/Molybdenum" title="Molybdenum">Molybdenum</a> (Mo) and others. </p> <div class="mw-heading mw-heading2"><h2 id="The_noble_gases">The noble gases</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Group_(periodic_table)&veaction=edit&section=4" title="Change section: The noble gases" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Group_(periodic_table)&action=edit&section=4" title="Edit section's source code: The noble gases"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Noble_gases" class="mw-redirect" title="Noble gases">noble gases</a> are the 18th group in the periodic table. They are <a href="/wiki/Helium" title="Helium">Helium</a> (He), <a href="/wiki/Neon" title="Neon">Neon</a> (Ne), <a href="/wiki/Argon" title="Argon">Argon</a> (Ar), <a href="/wiki/Krypton" title="Krypton">Krypton</a> (Kr), <a href="/wiki/Xenon" title="Xenon">Xenon</a> (Xe), and <a href="/wiki/Radon" title="Radon">Radon</a> (Rn). They were previously called <a href="/wiki/Inert_gas" title="Inert gas">Inert gases</a>. </p>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://simple.wikipedia.org/w/index.php?title=Group_(periodic_table)&oldid=9642901">https://simple.wikipedia.org/w/index.php?title=Group_(periodic_table)&oldid=9642901</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Categories</a>: <ul><li><a href="/wiki/Category:Periodic_table" title="Category:Periodic table">Periodic table</a></li><li><a href="/wiki/Category:Groups_(periodic_table)" title="Category:Groups (periodic table)">Groups (periodic table)</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_lacking_sources_from_February_2024" title="Category:Articles lacking sources from February 2024">Articles lacking sources from February 2024</a></li><li><a href="/wiki/Category:All_articles_lacking_sources" title="Category:All articles lacking sources">All articles lacking sources</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"> This page was last changed on 11 July 2024, at 18:24.</li> <li id="footer-info-copyright">Text is available under the <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike License</a> and the <a href="/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License" title="Wikipedia:Text of the GNU Free Documentation License">GFDL</a>; additional terms may apply. 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