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3.4 Isotopes </div> </a> <ul id="toc-Isotopes-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Preparation_and_purification" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Preparation_and_purification"> <div class="vector-toc-text"> 4 Preparation and purification </div> </a> <ul id="toc-Preparation_and_purification-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> 5 Notes </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> 6 References </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bibliography" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bibliography"> <div class="vector-toc-text"> 7 Bibliography </div> </a> <ul id="toc-Bibliography-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> 8 External links </div> </a> <ul id="toc-External_links-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" title="Table of Contents" > <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" > Toggle the table of contents </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading">Nobelium</h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 131 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-131" aria-hidden="true" > 131 languages </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/Nobelium" title="Nobelium – Afrikaans" lang="af" hreflang="af" data-title="Nobelium" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target">Afrikaans</a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%8A%96%E1%89%A5%E1%88%8A%E1%8B%A8%E1%88%9D" title="ኖብሊየም – Amharic" lang="am" hreflang="am" data-title="ኖብሊየም" data-language-autonym="አማርኛ" data-language-local-name="Amharic" class="interlanguage-link-target">አማርኛ</a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%A8%E0%A5%89%E0%A4%AC%E0%A5%87%E0%A4%B2%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नॉबेलियम – Angika" lang="anp" hreflang="anp" data-title="नॉबेलियम" data-language-autonym="अंगिका" data-language-local-name="Angika" class="interlanguage-link-target">अंगिका</a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%86%D9%88%D8%A8%D9%84%D9%8A%D9%88%D9%85" title="نوبليوم – Arabic" lang="ar" hreflang="ar" data-title="نوبليوم" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target">العربية</a></li><li class="interlanguage-link interwiki-roa-rup mw-list-item"><a href="https://roa-rup.wikipedia.org/wiki/Nobeliu" title="Nobeliu – Aromanian" lang="rup" hreflang="rup" data-title="Nobeliu" data-language-autonym="Armãneashti" data-language-local-name="Aromanian" class="interlanguage-link-target">Armãneashti</a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Nobeliu" title="Nobeliu – Asturian" lang="ast" hreflang="ast" data-title="Nobeliu" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target">Asturianu</a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Nobelium" title="Nobelium – Azerbaijani" lang="az" hreflang="az" data-title="Nobelium" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target">Azərbaycanca</a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Nob%C3%A9lium" title="Nobélium – Balinese" lang="ban" hreflang="ban" data-title="Nobélium" data-language-autonym="Basa Bali" data-language-local-name="Balinese" class="interlanguage-link-target">Basa Bali</a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A8%E0%A7%8B%E0%A6%AC%E0%A7%87%E0%A6%B2%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%AE" title="নোবেলিয়াম – Bangla" lang="bn" hreflang="bn" data-title="নোবেলিয়াম" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target">বাংলা</a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Nobelium" title="Nobelium – Minnan" lang="nan" hreflang="nan" data-title="Nobelium" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target">閩南語 / Bân-lâm-gú</a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D0%B9" title="Нобелий – Bashkir" lang="ba" hreflang="ba" data-title="Нобелий" data-language-autonym="Башҡортса" data-language-local-name="Bashkir" class="interlanguage-link-target">Башҡортса</a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9D%D0%B0%D0%B1%D0%B5%D0%BB%D1%96%D0%B9" title="Набелій – Belarusian" lang="be" hreflang="be" data-title="Набелій" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target">Беларуская</a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9D%D0%B0%D0%B1%D1%8D%D0%BB%D1%8C" title="Набэль – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Набэль" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target">Беларуская (тарашкевіца)</a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%A8%E0%A5%8B%E0%A4%AC%E0%A5%87%E0%A4%B2%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नोबेलियम – Bhojpuri" lang="bh" hreflang="bh" data-title="नोबेलियम" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target">भोजपुरी</a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Nobelyo" title="Nobelyo – Central Bikol" lang="bcl" hreflang="bcl" data-title="Nobelyo" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target">Bikol Central</a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D0%B9" title="Нобелий – Bulgarian" lang="bg" hreflang="bg" data-title="Нобелий" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target">Български</a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Nobelij" title="Nobelij – Bosnian" lang="bs" hreflang="bs" data-title="Nobelij" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target">Bosanski</a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Nobeliom" title="Nobeliom – Breton" lang="br" hreflang="br" data-title="Nobeliom" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target">Brezhoneg</a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Nobeli" title="Nobeli – Catalan" lang="ca" hreflang="ca" data-title="Nobeli" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target">Català</a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D0%B9" title="Нобелий – Chuvash" lang="cv" hreflang="cv" data-title="Нобелий" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target">Чӑвашла</a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Nobelyo" title="Nobelyo – Cebuano" lang="ceb" hreflang="ceb" data-title="Nobelyo" data-language-autonym="Cebuano" data-language-local-name="Cebuano" class="interlanguage-link-target">Cebuano</a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Nobelium" title="Nobelium – Czech" lang="cs" hreflang="cs" data-title="Nobelium" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target">Čeština</a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Nobeliu" title="Nobeliu – Corsican" lang="co" hreflang="co" data-title="Nobeliu" data-language-autonym="Corsu" data-language-local-name="Corsican" class="interlanguage-link-target">Corsu</a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Nobeliwm" title="Nobeliwm – Welsh" lang="cy" hreflang="cy" data-title="Nobeliwm" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target">Cymraeg</a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Nobelium" title="Nobelium – Danish" lang="da" hreflang="da" data-title="Nobelium" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target">Dansk</a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D9%86%D9%88%D8%A8%D9%8A%D9%84%D9%8A%D9%88%D9%85" title="نوبيليوم – Moroccan Arabic" lang="ary" hreflang="ary" data-title="نوبيليوم" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target">الدارجة</a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Nobelium" title="Nobelium – German" lang="de" hreflang="de" data-title="Nobelium" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target">Deutsch</a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Nobeelium" title="Nobeelium – Estonian" lang="et" hreflang="et" data-title="Nobeelium" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target">Eesti</a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9D%CE%BF%CE%BC%CF%80%CE%AD%CE%BB%CE%B9%CE%BF" title="Νομπέλιο – Greek" lang="el" hreflang="el" data-title="Νομπέλιο" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target">Ελληνικά</a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Nobelio" title="Nobelio – Spanish" lang="es" hreflang="es" data-title="Nobelio" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target">Español</a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Nobelio" title="Nobelio – Esperanto" lang="eo" hreflang="eo" data-title="Nobelio" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target">Esperanto</a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Nobelio" title="Nobelio – Basque" lang="eu" hreflang="eu" data-title="Nobelio" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target">Euskara</a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%86%D9%88%D8%A8%D9%84%DB%8C%D9%85" title="نوبلیم – Persian" lang="fa" hreflang="fa" data-title="نوبلیم" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target">فارسی</a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Nobelium" title="Nobelium – Fiji Hindi" lang="hif" hreflang="hif" data-title="Nobelium" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" class="interlanguage-link-target">Fiji Hindi</a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Nobelium" title="Nobelium – Faroese" lang="fo" hreflang="fo" data-title="Nobelium" data-language-autonym="Føroyskt" data-language-local-name="Faroese" class="interlanguage-link-target">Føroyskt</a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Nob%C3%A9lium" title="Nobélium – French" lang="fr" hreflang="fr" data-title="Nobélium" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target">Français</a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Nobeli" title="Nobeli – Friulian" lang="fur" hreflang="fur" data-title="Nobeli" data-language-autonym="Furlan" data-language-local-name="Friulian" class="interlanguage-link-target">Furlan</a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/N%C3%B3bailiam" title="Nóbailiam – Irish" lang="ga" hreflang="ga" data-title="Nóbailiam" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target">Gaeilge</a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Nobelium" title="Nobelium – Manx" lang="gv" hreflang="gv" data-title="Nobelium" data-language-autonym="Gaelg" data-language-local-name="Manx" class="interlanguage-link-target">Gaelg</a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Nobelium" title="Nobelium – Scottish Gaelic" lang="gd" hreflang="gd" data-title="Nobelium" data-language-autonym="Gàidhlig" data-language-local-name="Scottish Gaelic" class="interlanguage-link-target">Gàidhlig</a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Nobelio" title="Nobelio – Galician" lang="gl" hreflang="gl" data-title="Nobelio" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target">Galego</a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%A8%E0%AB%8B%E0%AA%AC%E0%AB%87%E0%AA%B2%E0%AB%80%E0%AA%AF%E0%AA%AE" title="નોબેલીયમ – Gujarati" lang="gu" hreflang="gu" data-title="નોબેલીયમ" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target">ગુજરાતી</a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Nobelium" title="Nobelium – Hakka Chinese" lang="hak" hreflang="hak" data-title="Nobelium" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="Hakka Chinese" class="interlanguage-link-target">客家語 / Hak-kâ-ngî</a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%85%B8%EB%B2%A8%EB%A5%A8" title="노벨륨 – Korean" lang="ko" hreflang="ko" data-title="노벨륨" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target">한국어</a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%86%D5%B8%D5%A2%D5%A5%D5%AC%D5%AB%D5%B8%D6%82%D5%B4" title="Նոբելիում – Armenian" lang="hy" hreflang="hy" data-title="Նոբելիում" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target">Հայերեն</a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%A8%E0%A5%8B%E0%A4%AC%E0%A5%87%E0%A4%B2%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नोबेलियम – Hindi" lang="hi" hreflang="hi" data-title="नोबेलियम" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target">हिन्दी</a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Nobelij" title="Nobelij – Croatian" lang="hr" hreflang="hr" data-title="Nobelij" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target">Hrvatski</a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Nobelio" title="Nobelio – Ido" lang="io" hreflang="io" data-title="Nobelio" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target">Ido</a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Nobelium" title="Nobelium – Indonesian" lang="id" hreflang="id" data-title="Nobelium" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target">Bahasa Indonesia</a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Nobelium" title="Nobelium – Interlingua" lang="ia" hreflang="ia" data-title="Nobelium" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target">Interlingua</a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/INombi" title="INombi – Zulu" lang="zu" hreflang="zu" data-title="INombi" data-language-autonym="IsiZulu" data-language-local-name="Zulu" class="interlanguage-link-target">IsiZulu</a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Nobelio" title="Nobelio – Italian" lang="it" hreflang="it" data-title="Nobelio" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target">Italiano</a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A0%D7%95%D7%91%D7%9C%D7%99%D7%95%D7%9D" title="נובליום – Hebrew" lang="he" hreflang="he" data-title="נובליום" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target">עברית</a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Nobelium" title="Nobelium – Javanese" lang="jv" hreflang="jv" data-title="Nobelium" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target">Jawa</a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/N%C9%94b%C9%9Bl%C9%A9y%C9%94m" title="Nɔbɛlɩyɔm – Kabiye" lang="kbp" hreflang="kbp" data-title="Nɔbɛlɩyɔm" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target">Kabɩyɛ</a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%A8%E0%B3%8A%E0%B2%AC%E0%B3%86%E0%B2%B2%E0%B2%BF%E0%B2%AF%E0%B2%AE%E0%B3%8D" title="ನೊಬೆಲಿಯಮ್ – Kannada" lang="kn" hreflang="kn" data-title="ನೊಬೆಲಿಯಮ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target">ಕನ್ನಡ</a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9C%E1%83%9D%E1%83%91%E1%83%94%E1%83%9A%E1%83%98%E1%83%A3%E1%83%9B%E1%83%98" title="ნობელიუმი – Georgian" lang="ka" hreflang="ka" data-title="ნობელიუმი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target">ქართული</a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D0%B9" title="Нобелий – Kazakh" lang="kk" hreflang="kk" data-title="Нобелий" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target">Қазақша</a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Nobeliom" title="Nobeliom – Cornish" lang="kw" hreflang="kw" data-title="Nobeliom" data-language-autonym="Kernowek" data-language-local-name="Cornish" class="interlanguage-link-target">Kernowek</a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D0%B9" title="Нобелий – Komi" lang="kv" hreflang="kv" data-title="Нобелий" data-language-autonym="Коми" data-language-local-name="Komi" class="interlanguage-link-target">Коми</a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Nob%C3%A8ly%C3%B2m" title="Nobèlyòm – Haitian Creole" lang="ht" hreflang="ht" data-title="Nobèlyòm" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haitian Creole" class="interlanguage-link-target">Kreyòl ayisyen</a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D0%B9" title="Нобелий – Kyrgyz" lang="ky" hreflang="ky" data-title="Нобелий" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target">Кыргызча</a></li><li class="interlanguage-link interwiki-mrj mw-list-item"><a href="https://mrj.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D0%B9" title="Нобелий – Western Mari" lang="mrj" hreflang="mrj" data-title="Нобелий" data-language-autonym="Кырык мары" data-language-local-name="Western Mari" class="interlanguage-link-target">Кырык мары</a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Nobelium" title="Nobelium – Latin" lang="la" hreflang="la" data-title="Nobelium" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target">Latina</a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Nob%C4%93lijs" title="Nobēlijs – Latvian" lang="lv" hreflang="lv" data-title="Nobēlijs" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target">Latviešu</a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Nobelium" title="Nobelium – Luxembourgish" lang="lb" hreflang="lb" data-title="Nobelium" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target">Lëtzebuergesch</a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Nobelis" title="Nobelis – Lithuanian" lang="lt" hreflang="lt" data-title="Nobelis" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target">Lietuvių</a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/Nobelio" title="Nobelio – Ligurian" lang="lij" hreflang="lij" data-title="Nobelio" data-language-autonym="Ligure" data-language-local-name="Ligurian" class="interlanguage-link-target">Ligure</a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Nobelium" title="Nobelium – Limburgish" lang="li" hreflang="li" data-title="Nobelium" data-language-autonym="Limburgs" data-language-local-name="Limburgish" class="interlanguage-link-target">Limburgs</a></li><li class="interlanguage-link interwiki-olo mw-list-item"><a href="https://olo.wikipedia.org/wiki/Nobelii" title="Nobelii – Livvi-Karelian" lang="olo" hreflang="olo" data-title="Nobelii" data-language-autonym="Livvinkarjala" data-language-local-name="Livvi-Karelian" class="interlanguage-link-target">Livvinkarjala</a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/jinmrnobeli" title="jinmrnobeli – Lojban" lang="jbo" hreflang="jbo" data-title="jinmrnobeli" data-language-autonym="La .lojban." data-language-local-name="Lojban" class="interlanguage-link-target">La .lojban.</a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Nob%C3%A9lium" title="Nobélium – Hungarian" lang="hu" hreflang="hu" data-title="Nobélium" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target">Magyar</a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D1%83%D0%BC" title="Нобелиум – Macedonian" lang="mk" hreflang="mk" data-title="Нобелиум" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target">Македонски</a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%A8%E0%B5%8B%E0%B4%AC%E0%B5%86%E0%B4%B2%E0%B4%BF%E0%B4%AF%E0%B4%82" title="നോബെലിയം – Malayalam" lang="ml" hreflang="ml" data-title="നോബെലിയം" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target">മലയാളം</a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%A8%E0%A5%8B%E0%A4%AC%E0%A5%87%E0%A4%B2%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नोबेलियम – Marathi" lang="mr" hreflang="mr" data-title="नोबेलियम" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target">मराठी</a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%86%D9%88%D8%A8%D9%84%D9%8A%D9%88%D9%85" title="نوبليوم – Egyptian Arabic" lang="arz" hreflang="arz" data-title="نوبليوم" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target">مصرى</a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Nobelium" title="Nobelium – Malay" lang="ms" hreflang="ms" data-title="Nobelium" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target">Bahasa Melayu</a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/Nobelium" title="Nobelium – Mindong" lang="cdo" hreflang="cdo" data-title="Nobelium" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target">閩東語 / Mìng-dĕ̤ng-ngṳ̄</a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8" title="Нобели – Mongolian" lang="mn" hreflang="mn" data-title="Нобели" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target">Монгол</a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%94%E1%80%AD%E1%80%AF%E1%80%98%E1%80%9A%E1%80%BA%E1%80%9C%E1%80%AE%E1%80%9A%E1%80%99%E1%80%BA" title="နိုဘယ်လီယမ် – Burmese" lang="my" hreflang="my" data-title="နိုဘယ်လီယမ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target">မြန်မာဘာသာ</a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Nobelium" title="Nobelium – Dutch" lang="nl" hreflang="nl" data-title="Nobelium" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target">Nederlands</a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%A8%E0%A5%8B%E0%A4%AC%E0%A5%87%E0%A4%B2%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नोबेलियम – Newari" lang="new" hreflang="new" data-title="नोबेलियम" data-language-autonym="नेपाल भाषा" data-language-local-name="Newari" class="interlanguage-link-target">नेपाल भाषा</a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%8E%E3%83%BC%E3%83%99%E3%83%AA%E3%82%A6%E3%83%A0" title="ノーベリウム – Japanese" lang="ja" hreflang="ja" data-title="ノーベリウム" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target">日本語</a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Nobeelium" title="Nobeelium – Northern Frisian" lang="frr" hreflang="frr" data-title="Nobeelium" data-language-autonym="Nordfriisk" data-language-local-name="Northern Frisian" class="interlanguage-link-target">Nordfriisk</a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Nobelium" title="Nobelium – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Nobelium" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target">Norsk bokmål</a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Nobelium" title="Nobelium – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Nobelium" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target">Norsk nynorsk</a></li><li class="interlanguage-link interwiki-nov mw-list-item"><a href="https://nov.wikipedia.org/wiki/Nobelium" title="Nobelium – Novial" lang="nov" hreflang="nov" data-title="Nobelium" data-language-autonym="Novial" data-language-local-name="Novial" class="interlanguage-link-target">Novial</a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%A8%E0%AD%8B%E0%AC%AC%E0%AD%87%E0%AC%B2%E0%AC%BF%E0%AC%85%E0%AC%AE" title="ନୋବେଲିଅମ – Odia" lang="or" hreflang="or" data-title="ନୋବେଲିଅମ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="Odia" class="interlanguage-link-target">ଓଡ଼ିଆ</a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Nobeliy" title="Nobeliy – Uzbek" lang="uz" hreflang="uz" data-title="Nobeliy" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target">Oʻzbekcha / ўзбекча</a></li><li class="interlanguage-link interwiki-pi mw-list-item"><a href="https://pi.wikipedia.org/wiki/%E0%A4%A8%E0%A5%8B%E0%A4%AC%E0%A5%87%E0%A4%B2%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नोबेलियम – Pali" lang="pi" hreflang="pi" data-title="नोबेलियम" data-language-autonym="पालि" data-language-local-name="Pali" class="interlanguage-link-target">पालि</a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D9%86%D9%88%D8%A8%D9%84%DB%8C%D9%85" title="نوبلیم – Western Punjabi" lang="pnb" hreflang="pnb" data-title="نوبلیم" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target">پنجابی</a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D9%86%D9%88%D8%A8%DB%90%D9%84%D9%8A%D9%88%D9%85" title="نوبېليوم – Pashto" lang="ps" hreflang="ps" data-title="نوبېليوم" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target">پښتو</a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Nobeli_(element)" title="Nobeli (element) – Piedmontese" lang="pms" hreflang="pms" data-title="Nobeli (element)" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target">Piemontèis</a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Nobel_(pierwiastek)" title="Nobel (pierwiastek) – Polish" lang="pl" hreflang="pl" data-title="Nobel (pierwiastek)" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target">Polski</a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Nob%C3%A9lio" title="Nobélio – Portuguese" lang="pt" hreflang="pt" data-title="Nobélio" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target">Português</a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Nobeliu" title="Nobeliu – Romanian" lang="ro" hreflang="ro" data-title="Nobeliu" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target">Română</a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Nupilyu" title="Nupilyu – Quechua" lang="qu" hreflang="qu" data-title="Nupilyu" data-language-autonym="Runa Simi" data-language-local-name="Quechua" class="interlanguage-link-target">Runa Simi</a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D0%B9" title="Нобелий – Russian" lang="ru" hreflang="ru" data-title="Нобелий" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target">Русский</a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D1%83%D0%BC" title="Нобелиум – Yakut" lang="sah" hreflang="sah" data-title="Нобелиум" data-language-autonym="Саха тыла" data-language-local-name="Yakut" class="interlanguage-link-target">Саха тыла</a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%A8%E0%A5%8B%E0%A4%AC%E0%A5%87%E0%A4%B2%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="नोबेलियम – Sanskrit" lang="sa" hreflang="sa" data-title="नोबेलियम" data-language-autonym="संस्कृतम्" data-language-local-name="Sanskrit" class="interlanguage-link-target">संस्कृतम्</a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/Nob%C3%A8liu" title="Nobèliu – Sardinian" lang="sc" hreflang="sc" data-title="Nobèliu" data-language-autonym="Sardu" data-language-local-name="Sardinian" class="interlanguage-link-target">Sardu</a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Nobelium" title="Nobelium – Saterland Frisian" lang="stq" hreflang="stq" data-title="Nobelium" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target">Seeltersk</a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Nobeliumi" title="Nobeliumi – Albanian" lang="sq" hreflang="sq" data-title="Nobeliumi" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target">Shqip</a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Nobeliu" title="Nobeliu – Sicilian" lang="scn" hreflang="scn" data-title="Nobeliu" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target">Sicilianu</a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Nobelium" title="Nobelium – Simple English" lang="en-simple" hreflang="en-simple" data-title="Nobelium" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target">Simple English</a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Nob%C3%A9lium" title="Nobélium – Slovak" lang="sk" hreflang="sk" data-title="Nobélium" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target">Slovenčina</a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Nobelij" title="Nobelij – Slovenian" lang="sl" hreflang="sl" data-title="Nobelij" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target">Slovenščina</a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%86%DB%86%D8%A8%DB%8E%D9%84%DB%8C%DB%86%D9%85" title="نۆبێلیۆم – Central Kurdish" lang="ckb" hreflang="ckb" data-title="نۆبێلیۆم" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target">کوردی</a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D1%98%D1%83%D0%BC" title="Нобелијум – Serbian" lang="sr" hreflang="sr" data-title="Нобелијум" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target">Српски / srpski</a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Nobelijum" title="Nobelijum – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Nobelijum" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target">Srpskohrvatski / српскохрватски</a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Nobelium" title="Nobelium – Finnish" lang="fi" hreflang="fi" data-title="Nobelium" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target">Suomi</a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Nobelium" title="Nobelium – Swedish" lang="sv" hreflang="sv" data-title="Nobelium" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target">Svenska</a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Nobelyo" title="Nobelyo – Tagalog" lang="tl" hreflang="tl" data-title="Nobelyo" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target">Tagalog</a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AF%8A%E0%AE%AA%E0%AE%BF%E0%AE%B2%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D" title="நொபிலியம் – Tamil" lang="ta" hreflang="ta" data-title="நொபிலியம்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target">தமிழ்</a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D0%B9" title="Нобелий – Tatar" lang="tt" hreflang="tt" data-title="Нобелий" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target">Татарча / tatarça</a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%A8%E0%B1%8B%E0%B0%AC%E0%B1%86%E0%B0%B2%E0%B0%BF%E0%B0%AF%E0%B0%82" title="నోబెలియం – Telugu" lang="te" hreflang="te" data-title="నోబెలియం" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target">తెలుగు</a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%82%E0%B8%99%E0%B9%80%E0%B8%9A%E0%B9%80%E0%B8%A5%E0%B8%B5%E0%B8%A2%E0%B8%A1" title="โนเบเลียม – Thai" lang="th" hreflang="th" data-title="โนเบเลียม" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target">ไทย</a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D0%B8%D0%B9" title="Нобелий – Tajik" lang="tg" hreflang="tg" data-title="Нобелий" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target">Тоҷикӣ</a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Nobelyum" title="Nobelyum – Turkish" lang="tr" hreflang="tr" data-title="Nobelyum" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target">Türkçe</a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9D%D0%BE%D0%B1%D0%B5%D0%BB%D1%96%D0%B9" title="Нобелій – Ukrainian" lang="uk" hreflang="uk" data-title="Нобелій" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target">Українська</a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D9%86%D9%88%D8%A8%DB%8C%D9%84%DB%8C%D8%A6%D9%85" title="نوبیلیئم – Urdu" lang="ur" hreflang="ur" data-title="نوبیلیئم" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target">اردو</a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D9%86%D9%88%D8%A8%DB%90%D9%84%D9%89%D9%8A" title="نوبېلىي – Uyghur" lang="ug" hreflang="ug" data-title="نوبېلىي" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="Uyghur" class="interlanguage-link-target">ئۇيغۇرچە / Uyghurche</a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Nobelii" title="Nobelii – Veps" lang="vep" hreflang="vep" data-title="Nobelii" data-language-autonym="Vepsän kel’" data-language-local-name="Veps" class="interlanguage-link-target">Vepsän kel’</a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Nobeli" title="Nobeli – Vietnamese" lang="vi" hreflang="vi" data-title="Nobeli" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target">Tiếng Việt</a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E9%8D%A9" title="鍩 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="鍩" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target">文言</a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Nobelyo" title="Nobelyo – Waray" lang="war" hreflang="war" data-title="Nobelyo" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target">Winaray</a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E9%94%98" title="锘 – Wu" lang="wuu" hreflang="wuu" data-title="锘" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target">吴语</a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A0%D7%90%D7%91%D7%A2%D7%9C%D7%99%D7%95%D7%9D" title="נאבעליום – Yiddish" lang="yi" hreflang="yi" data-title="נאבעליום" data-language-autonym="ייִדיש" data-language-local-name="Yiddish" class="interlanguage-link-target">ייִדיש</a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/Nobelium" title="Nobelium – Yoruba" lang="yo" hreflang="yo" data-title="Nobelium" data-language-autonym="Yorùbá" data-language-local-name="Yoruba" class="interlanguage-link-target">Yorùbá</a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%8D%A9" title="鍩 – Cantonese" lang="yue" hreflang="yue" data-title="鍩" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target">粵語</a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%94%98" title="锘 – Chinese" lang="zh" 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i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For the hacker group sometimes called NOBELIUM, see <a href="/wiki/Cozy_Bear" title="Cozy Bear">Cozy Bear</a>.</div> <div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical element with atomic number 102 (No)</div><style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><style data-mw-deduplicate="TemplateStyles:r1158442001">body.skin-minerva .mw-parser-output .infobox-full-data>.wikitable,body.skin-minerva .mw-parser-output .infobox .periodictable{display:table}body.skin-minerva .mw-parser-output .infobox-full-data{width:calc(100% - 20px)}body.skin-minerva .mw-parser-output .infobox-full-data>div{max-width:100%;overflow:auto}body.skin-minerva .mw-parser-output .infobox caption{display:table-caption}</style><table class="infobox"><caption class="infobox-title">Nobelium, 102No</caption><tbody><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#9bff99">Nobelium</th></tr><tr><th scope="row" class="infobox-label">Pronunciation</th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist" style="margin: 0; text-align: left;"><ul><li style="margin: 0; text-indent: -1em; padding-left: 1em;"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/noʊˈbiːliəm/</a> (<a href="/wiki/Help:Pronunciation_respelling_key" title="Help:Pronunciation respelling key">noh-BEE-lee-əm</a>)</li><li style="margin: 0; text-indent: -1em; padding-left: 1em;"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/noʊˈbɛliəm/</a> <span data-nosnippet="" id="ooui-php-1" class="noexcerpt ext-phonos-PhonosButton ext-phonos-PhonosButton-emptylabel oo-ui-widget oo-ui-widget-enabled oo-ui-buttonElement oo-ui-buttonElement-frameless oo-ui-iconElement oo-ui-buttonWidget" data-ooui="{"_":"mw.Phonos.PhonosButton","href":"\/\/upload.wikimedia.org\/wikipedia\/commons\/transcoded\/f\/fd\/En-nobelium.oga\/En-nobelium.oga.mp3","rel":["nofollow"],"framed":false,"icon":"volumeUp","data":{"ipa":"","text":"","lang":"en","wikibase":"","file":"En-nobelium.oga"},"classes":["noexcerpt","ext-phonos-PhonosButton","ext-phonos-PhonosButton-emptylabel"]}"><a role="button" tabindex="0" href="//upload.wikimedia.org/wikipedia/commons/transcoded/f/fd/En-nobelium.oga/En-nobelium.oga.mp3" rel="nofollow" aria-label="Play audio" title="Play audio" class="oo-ui-buttonElement-button"></a><a href="/wiki/File:En-nobelium.oga" title="File:En-nobelium.oga">ⓘ</a> (<a href="/wiki/Help:Pronunciation_respelling_key" title="Help:Pronunciation respelling key">noh-BEL-ee-əm</a>)</li></ul></div></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Mass_number" title="Mass number">Mass number</a></th><td class="infobox-data">[259]</td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#9bff99">Nobelium in the <a href="/wiki/Periodic_table" title="Periodic table">periodic table</a></th></tr><tr><td colspan="2" class="infobox-full-data"> <table class="wikitable" style="text-align:center; width:100%; margin:0;"> <tbody><tr> <td> <table class="periodictable" style="margin:0 auto"> <tbody><tr> <td style="border:none; width:5px"><div style="background-color:transparent; color:inherit; margin:0; padding:0; text-align:center; border:none;"> <table style="empty-cells:hidden; border:none; padding:0; border-spacing:1px; border-collapse:separate; margin:0;"> <tbody><tr> <td style="border:none;padding:0;"><a href="/wiki/Hydrogen" title="Hydrogen">Hydrogen</a> </td> <td colspan="30" style="border:none;padding:0;"> </td> <td style="border:none;padding:0;"><a href="/wiki/Helium" title="Helium">Helium</a> </td></tr> <tr> <td style="border:none;padding:0;"><a href="/wiki/Lithium" title="Lithium">Lithium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Beryllium" title="Beryllium">Beryllium</a> </td> <td colspan="24" style="border:none;padding:0;"> </td> <td style="border:none;padding:0;"><a href="/wiki/Boron" title="Boron">Boron</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Carbon" title="Carbon">Carbon</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Nitrogen" title="Nitrogen">Nitrogen</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Oxygen" title="Oxygen">Oxygen</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Fluorine" title="Fluorine">Fluorine</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Neon" title="Neon">Neon</a> </td></tr> <tr> <td style="border:none;padding:0;"><a href="/wiki/Sodium" title="Sodium">Sodium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Magnesium" title="Magnesium">Magnesium</a> </td> <td colspan="24" style="border:none;padding:0;"> </td> <td style="border:none;padding:0;"><a href="/wiki/Aluminium" title="Aluminium">Aluminium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Silicon" title="Silicon">Silicon</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Phosphorus" title="Phosphorus">Phosphorus</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Sulfur" title="Sulfur">Sulfur</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Chlorine" title="Chlorine">Chlorine</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Argon" title="Argon">Argon</a> </td></tr> <tr> <td style="border:none;padding:0;"><a href="/wiki/Potassium" title="Potassium">Potassium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Calcium" title="Calcium">Calcium</a> </td> <td colspan="14" style="border:none;padding:0;"> </td> <td style="border:none;padding:0;"><a href="/wiki/Scandium" title="Scandium">Scandium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Titanium" title="Titanium">Titanium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Vanadium" title="Vanadium">Vanadium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Chromium" title="Chromium">Chromium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Manganese" title="Manganese">Manganese</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Iron" title="Iron">Iron</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Cobalt" title="Cobalt">Cobalt</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Nickel" title="Nickel">Nickel</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Copper" title="Copper">Copper</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Zinc" title="Zinc">Zinc</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Gallium" title="Gallium">Gallium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Germanium" title="Germanium">Germanium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Arsenic" title="Arsenic">Arsenic</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Selenium" title="Selenium">Selenium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Bromine" title="Bromine">Bromine</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Krypton" title="Krypton">Krypton</a> </td></tr> <tr> <td style="border:none;padding:0;"><a href="/wiki/Rubidium" title="Rubidium">Rubidium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Strontium" title="Strontium">Strontium</a> </td> <td style="border:none;padding:0;; width:0;"> </td> <td colspan="13" style="border:none;padding:0;"> </td> <td style="border:none;padding:0;"><a href="/wiki/Yttrium" title="Yttrium">Yttrium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Zirconium" title="Zirconium">Zirconium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Niobium" title="Niobium">Niobium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Molybdenum" title="Molybdenum">Molybdenum</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Technetium" title="Technetium">Technetium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Ruthenium" title="Ruthenium">Ruthenium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Rhodium" title="Rhodium">Rhodium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Palladium" title="Palladium">Palladium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Silver" title="Silver">Silver</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Cadmium" title="Cadmium">Cadmium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Indium" title="Indium">Indium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tin" title="Tin">Tin</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Antimony" title="Antimony">Antimony</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tellurium" title="Tellurium">Tellurium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Iodine" title="Iodine">Iodine</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Xenon" title="Xenon">Xenon</a> </td></tr> <tr style="border:none;padding:0;"> <td style="border:none;padding:0;"><a href="/wiki/Caesium" title="Caesium">Caesium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Barium" title="Barium">Barium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Lanthanum" title="Lanthanum">Lanthanum</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Cerium" title="Cerium">Cerium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Praseodymium" title="Praseodymium">Praseodymium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Neodymium" title="Neodymium">Neodymium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Promethium" title="Promethium">Promethium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Samarium" title="Samarium">Samarium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Europium" title="Europium">Europium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Gadolinium" title="Gadolinium">Gadolinium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Terbium" title="Terbium">Terbium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Dysprosium" title="Dysprosium">Dysprosium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Holmium" title="Holmium">Holmium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Erbium" title="Erbium">Erbium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Thulium" title="Thulium">Thulium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Ytterbium" title="Ytterbium">Ytterbium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Lutetium" title="Lutetium">Lutetium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Hafnium" title="Hafnium">Hafnium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tantalum" title="Tantalum">Tantalum</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tungsten" title="Tungsten">Tungsten</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Rhenium" title="Rhenium">Rhenium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Osmium" title="Osmium">Osmium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Iridium" title="Iridium">Iridium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Platinum" title="Platinum">Platinum</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Gold" title="Gold">Gold</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Mercury_(element)" title="Mercury (element)">Mercury (element)</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Thallium" title="Thallium">Thallium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Lead" title="Lead">Lead</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Bismuth" title="Bismuth">Bismuth</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Polonium" title="Polonium">Polonium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Astatine" title="Astatine">Astatine</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Radon" title="Radon">Radon</a> </td></tr> <tr> <td style="border:none;padding:0;"><a href="/wiki/Francium" title="Francium">Francium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Radium" title="Radium">Radium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Actinium" title="Actinium">Actinium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Thorium" title="Thorium">Thorium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Protactinium" title="Protactinium">Protactinium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Uranium" title="Uranium">Uranium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Neptunium" title="Neptunium">Neptunium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Plutonium" title="Plutonium">Plutonium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Americium" title="Americium">Americium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Curium" title="Curium">Curium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Berkelium" title="Berkelium">Berkelium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Californium" title="Californium">Californium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Einsteinium" title="Einsteinium">Einsteinium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Fermium" title="Fermium">Fermium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Mendelevium" title="Mendelevium">Mendelevium</a> </td> <td style="border:none;padding:0;"><a class="mw-selflink selflink">Nobelium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Lawrencium" title="Lawrencium">Lawrencium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Rutherfordium" title="Rutherfordium">Rutherfordium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Dubnium" title="Dubnium">Dubnium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Seaborgium" title="Seaborgium">Seaborgium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Bohrium" title="Bohrium">Bohrium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Hassium" title="Hassium">Hassium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Meitnerium" title="Meitnerium">Meitnerium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Darmstadtium" title="Darmstadtium">Darmstadtium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Roentgenium" title="Roentgenium">Roentgenium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Copernicium" title="Copernicium">Copernicium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Nihonium" title="Nihonium">Nihonium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Flerovium" title="Flerovium">Flerovium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Moscovium" title="Moscovium">Moscovium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Livermorium" title="Livermorium">Livermorium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tennessine" title="Tennessine">Tennessine</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Oganesson" title="Oganesson">Oganesson</a> </td></tr></tbody></table> </div> </td> <td style="vertical-align:middle; text-align:center; font-size:90%; line-height:100%; width:10px; border:none;"><a href="/wiki/Ytterbium" title="Ytterbium">Yb</a> ↑ No ↓ — </td></tr> <tr> <td colspan="2" class="nowrap" style="text-align:center; font-size:90%; line-height:100%; padding-top:0; padding-bottom:1px; border:none;"><a href="/wiki/Mendelevium" title="Mendelevium">mendelevium</a> ← nobelium → <a href="/wiki/Lawrencium" title="Lawrencium">lawrencium</a> </td></tr></tbody></table> </td></tr></tbody></table></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Atomic_number" title="Atomic number">Atomic number</a> (Z)</th><td class="infobox-data">102</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Group_(periodic_table)" title="Group (periodic table)">Group</a></th><td class="infobox-data"><a href="/wiki/F-block_groups" class="mw-redirect" title="F-block groups">f-block groups</a> (no number)</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Period_(periodic_table)" title="Period (periodic table)">Period</a></th><td class="infobox-data"><a href="/wiki/Period_7_element" title="Period 7 element">period 7</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Block_(periodic_table)" title="Block (periodic table)">Block</a></th><td class="infobox-data">  <a href="/wiki/Block_(periodic_table)#f-block" title="Block (periodic table)">f-block</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Electron_configuration" title="Electron configuration">Electron configuration</a></th><td class="infobox-data">[<a href="/wiki/Radon" title="Radon">Rn</a>] 5f14 7s2</td></tr><tr><th scope="row" class="infobox-label">Electrons per shell</th><td class="infobox-data">2, 8, 18, 32, 32, 8, 2</td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#9bff99">Physical properties</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Phase_(matter)" title="Phase (matter)">Phase</a> <style data-mw-deduplicate="TemplateStyles:r886047488">.mw-parser-output .nobold{font-weight:normal}</style>at <a href="/wiki/Standard_temperature_and_pressure" title="Standard temperature and pressure">STP</a></th><td class="infobox-data">solid (predicted)<a href="#cite_note-CRC2003-1">[1]</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Melting_point" title="Melting point">Melting point</a></th><td class="infobox-data">1100 <a href="/wiki/Kelvin" title="Kelvin">K</a> (800 °C, 1500 °F) (predicted)<a href="#cite_note-CRC2003-1">[1]</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Density" title="Density">Density</a> (near <a href="/wiki/Room_temperature" title="Room temperature">r.t.</a>)</th><td class="infobox-data">9.9(4) g/cm3 (predicted)<a href="#cite_note-density-2">[2]</a><a href="#cite_note-3">[a]</a></td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#9bff99">Atomic properties</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Oxidation_state" title="Oxidation state">Oxidation states</a></th><td class="infobox-data">common: +3 +2<a href="#cite_note-GE28-4">[3]</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Electronegativity" title="Electronegativity">Electronegativity</a></th><td class="infobox-data">Pauling scale: 1.3 (predicted)<a href="#cite_note-5">[4]</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Ionization_energy" title="Ionization energy">Ionization energies</a></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>1st: 639<a href="#cite_note-6">[5]</a> kJ/mol </li><li>2nd: 1254.3 kJ/mol </li><li>3rd: 2605.1 kJ/mol </li><li> (all but first estimated)</li></ul></div></td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#9bff99">Other properties</th></tr><tr><th scope="row" class="infobox-label">Natural occurrence</th><td class="infobox-data"><a href="/wiki/Synthetic_element" title="Synthetic element">synthetic</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Crystal_structure" title="Crystal structure">Crystal structure</a></th><td class="infobox-data"> <a href="/wiki/Cubic_crystal_system" title="Cubic crystal system">face-centered cubic</a> (fcc)<div style="float:right;"><a href="/wiki/File:Cubic-face-centered.svg" class="mw-file-description"><img alt="Face-centered cubic crystal structure for nobelium" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cubic-face-centered.svg/50px-Cubic-face-centered.svg.png" decoding="async" width="50" height="58" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cubic-face-centered.svg/75px-Cubic-face-centered.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cubic-face-centered.svg/100px-Cubic-face-centered.svg.png 2x" data-file-width="862" data-file-height="1002" /></a></div> (predicted)<a href="#cite_note-density-2">[2]</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/CAS_Registry_Number" title="CAS Registry Number">CAS Number</a></th><td class="infobox-data">10028-14-5 </td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#9bff99">History</th></tr><tr><th scope="row" class="infobox-label">Naming</th><td class="infobox-data">after <a href="/wiki/Alfred_Nobel" title="Alfred Nobel">Alfred Nobel</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Timeline_of_chemical_element_discoveries" class="mw-redirect" title="Timeline of chemical element discoveries">Discovery</a></th><td class="infobox-data"><a href="/wiki/Joint_Institute_for_Nuclear_Research" title="Joint Institute for Nuclear Research">Joint Institute for Nuclear Research</a> (1965)</td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#9bff99"><a href="/wiki/Isotopes_of_nobelium" title="Isotopes of nobelium">Isotopes of nobelium</a><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output 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li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Infobox_nobelium_isotopes" title="Template:Infobox nobelium isotopes"><abbr title="View this template">v</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Infobox_nobelium_isotopes" title="Special:EditPage/Template:Infobox nobelium isotopes"><abbr title="Edit this template">e</abbr></a></li></ul></div></th></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><td colspan="2" class="infobox-full-data"> <table class="wikitable" style="text-align: center; vertical-align: middle; width: 100%; border-collapse: collapse; margin: 0; padding: 0;"> <tbody><tr> <th colspan="3">Main isotopes<a href="#cite_note-NUBASE2020-7">[6]</a> </th> <th colspan="2"><a href="/wiki/Radioactive_decay" title="Radioactive decay">Decay</a> </th></tr> <tr> <th> </th> <th style="padding: 0.1em;"><a href="/wiki/Natural_abundance" title="Natural abundance">abundance</a> </th> <th style="padding: 0.1em;"><a href="/wiki/Half-life" title="Half-life">half-life</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488">(t1/2) </th> <th style="padding: 0.1em;"><a href="/wiki/Radioactive_decay#Types_of_decay" title="Radioactive decay">mode</a> </th> <th style="padding: 0.1em;"><a href="/wiki/Decay_product" title="Decay product">product</a> </th></tr> <tr> <th rowspan="2" style="vertical-align: top;">253No </th> <td rowspan="2" colspan="1" style="vertical-align: top; text-align: center;"><a href="/wiki/Synthetic_radioisotope" title="Synthetic radioisotope">synth</a> </td> <td rowspan="2" colspan="1" style="vertical-align: top; text-align: right;">1.6 min </td> <td style="text-align: left; vertical-align: top;"><a href="/wiki/Alpha_decay" title="Alpha decay">α</a>55% </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Fermium-249" class="mw-redirect" title="Fermium-249">249Fm</a> </td></tr> <tr> <td style="text-align: left; vertical-align: top;"><a href="/wiki/Beta_plus_decay" class="mw-redirect" title="Beta plus decay">β+</a>45% </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Mendelevium-253" class="mw-redirect" title="Mendelevium-253">253Md</a> </td></tr> <tr> <th rowspan="2" style="vertical-align: top;">254No </th> <td rowspan="2" colspan="1" style="vertical-align: top; text-align: center;">synth </td> <td rowspan="2" colspan="1" style="vertical-align: top; text-align: right;">51 s </td> <td style="text-align: left; vertical-align: top;">α90% </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Fermium-250" class="mw-redirect" title="Fermium-250">250Fm</a> </td></tr> <tr> <td style="text-align: left; vertical-align: top;">β+10% </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Mendelevium-254" class="mw-redirect" title="Mendelevium-254">254Md</a> </td></tr> <tr> <th rowspan="2" style="vertical-align: top;">255No </th> <td rowspan="2" colspan="1" style="vertical-align: top; text-align: center;">synth </td> <td rowspan="2" colspan="1" style="vertical-align: top; text-align: right;">3.5 min </td> <td style="text-align: left; vertical-align: top;">α61% </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Fermium-251" class="mw-redirect" title="Fermium-251">251Fm</a> </td></tr> <tr> <td style="text-align: left; vertical-align: top;">β+39% </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Mendelevium-255" class="mw-redirect" title="Mendelevium-255">255Md</a> </td></tr> <tr> <th rowspan="2" style="vertical-align: top;">257No </th> <td rowspan="2" colspan="1" style="vertical-align: top; text-align: center;">synth </td> <td rowspan="2" colspan="1" style="vertical-align: top; text-align: right;">25 s </td> <td style="text-align: left; vertical-align: top;">α99% </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Fermium-253" class="mw-redirect" title="Fermium-253">253Fm</a> </td></tr> <tr> <td style="text-align: left; vertical-align: top;">β+1% </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Mendelevium-257" class="mw-redirect" title="Mendelevium-257">257Md</a> </td></tr> <tr> <th rowspan="3" style="vertical-align: top;">259No </th> <td rowspan="3" colspan="1" style="vertical-align: top; text-align: center;">synth </td> <td rowspan="3" colspan="1" style="vertical-align: top; text-align: right;">58 min </td> <td style="text-align: left; vertical-align: top;">α75% </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Fermium-255" class="mw-redirect" title="Fermium-255">255Fm</a> </td></tr> <tr> <td style="text-align: left; vertical-align: top;"><a href="/wiki/Electron_capture" title="Electron capture">ε</a>25% </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Mendelevium-259" class="mw-redirect" title="Mendelevium-259">259Md</a> </td></tr> <tr> <td style="text-align: left; vertical-align: top;"><a href="/wiki/Spontaneous_fission" title="Spontaneous fission">SF</a><10% </td> <td style="text-align: right; vertical-align: middle;">– </td></tr></tbody></table></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><td colspan="2" class="infobox-below noprint" style="color:inherit; background:#9bff99"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /> <a href="/wiki/Category:Nobelium" title="Category:Nobelium">Category: Nobelium</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist"><ul><li class="nv-view"><a href="/wiki/Template:Infobox_nobelium" title="Template:Infobox nobelium">view</a></li><li class="nv-talk"><a href="/wiki/Template_talk:Infobox_nobelium" title="Template talk:Infobox nobelium">talk</a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Infobox_nobelium" title="Special:EditPage/Template:Infobox nobelium">edit</a></li></ul></div> | <a href="/wiki/List_of_data_references_for_chemical_elements" title="List of data references for chemical elements">references</a></td></tr></tbody></table> Nobelium is a <a href="/wiki/Synthetic_element" title="Synthetic element">synthetic chemical element</a>; it has <a href="/wiki/Chemical_symbol" title="Chemical symbol">symbol</a> No and <a href="/wiki/Atomic_number" title="Atomic number">atomic number</a> 102. It is named after <a href="/wiki/Alfred_Nobel" title="Alfred Nobel">Alfred Nobel</a>, the inventor of <a href="/wiki/Dynamite" title="Dynamite">dynamite</a> and benefactor of science. A <a href="/wiki/Radioactive" class="mw-redirect" title="Radioactive">radioactive</a> <a href="/wiki/Metal" title="Metal">metal</a>, it is the tenth <a href="/wiki/Transuranium_element" title="Transuranium element">transuranium element</a>, the second transfermium, and is the penultimate member of the <a href="/wiki/Actinide_series" class="mw-redirect" title="Actinide series">actinide series</a>. Like all elements with atomic number over 100, nobelium can only be produced in <a href="/wiki/Particle_accelerator" title="Particle accelerator">particle accelerators</a> by bombarding lighter elements with charged particles. A total of twelve <a href="/wiki/Isotopes_of_nobelium" title="Isotopes of nobelium">nobelium isotopes</a> are known to exist; the most stable is 259No with a <a href="/wiki/Half-life" title="Half-life">half-life</a> of 58 minutes, but the shorter-lived 255No (half-life 3.1 minutes) is most commonly used in chemistry because it can be produced on a larger scale. Chemistry experiments have confirmed that nobelium behaves as a heavier <a href="/wiki/Homologous_series" title="Homologous series">homolog</a> to <a href="/wiki/Ytterbium" title="Ytterbium">ytterbium</a> in the periodic table. The chemical properties of nobelium are not completely known: they are mostly only known in <a href="/wiki/Aqueous_solution" title="Aqueous solution">aqueous solution</a>. Before nobelium's discovery, it was predicted that it would show a stable +2 <a href="/wiki/Oxidation_state" title="Oxidation state">oxidation state</a> as well as the +3 state characteristic of the other <a href="/wiki/Actinides" class="mw-redirect" title="Actinides">actinides</a>; these predictions were later confirmed, as the +2 state is much more stable than the +3 state in <a href="/wiki/Aqueous_solution" title="Aqueous solution">aqueous solution</a> and it is difficult to keep nobelium in the +3 state. In the 1950s and 1960s, many claims of the discovery of nobelium were made from laboratories in <a href="/wiki/Sweden" title="Sweden">Sweden</a>, the <a href="/wiki/Soviet_Union" title="Soviet Union">Soviet Union</a>, and the <a href="/wiki/United_States" title="United States">United States</a>. Although the Swedish scientists soon retracted their claims, the priority of the discovery and therefore the <a href="/wiki/Element_naming_controversy" class="mw-redirect" title="Element naming controversy">naming of the element was disputed</a> between Soviet and American scientists. It was not until 1992 that the <a href="/wiki/International_Union_of_Pure_and_Applied_Chemistry" title="International Union of Pure and Applied Chemistry">International Union of Pure and Applied Chemistry</a> (IUPAC) credited the Soviet team with the discovery. Even so, nobelium, the Swedish proposal, was retained as the name of the element due to its long-standing use in the literature. <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Introduction">Introduction</h2>[<a href="/w/index.php?title=Nobelium&action=edit&section=1" title="Edit section: Introduction">edit</a>]</div> <div class="excerpt-block"><style data-mw-deduplicate="TemplateStyles:r1066933788">.mw-parser-output .excerpt-hat .mw-editsection-like{font-style:normal}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable dablink excerpt-hat selfref">This section is an excerpt from <a href="/wiki/Superheavy_element#Introduction" title="Superheavy element">Superheavy element § Introduction</a>.[<a class="external text" href="https://en.wikipedia.org/w/index.php?title=Superheavy_element&action=edit">edit</a>]</div><div class="excerpt"> <div class="mw-heading mw-heading3"><h3 id="Synthesis_of_superheavy_nuclei">Synthesis of superheavy nuclei</h3>[<a href="/w/index.php?title=Module:Excerpt&action=edit&section=T-1" title="Edit section: Synthesis of superheavy nuclei">edit</a>]</div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Deuterium-tritium_fusion.svg" class="mw-file-description"><img alt="A graphic depiction of a nuclear fusion reaction" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/Deuterium-tritium_fusion.svg/220px-Deuterium-tritium_fusion.svg.png" decoding="async" width="220" height="264" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/Deuterium-tritium_fusion.svg/330px-Deuterium-tritium_fusion.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3b/Deuterium-tritium_fusion.svg/440px-Deuterium-tritium_fusion.svg.png 2x" data-file-width="500" data-file-height="600" /></a><figcaption>A graphic depiction of a <a href="/wiki/Nuclear_fusion" title="Nuclear fusion">nuclear fusion</a> reaction. Two nuclei fuse into one, emitting a <a href="/wiki/Neutron" title="Neutron">neutron</a>. Reactions that created new elements to this moment were similar, with the only possible difference that several singular neutrons sometimes were released, or none at all.</figcaption></figure> A superheavy<a href="#cite_note-11">[b]</a> <a href="/wiki/Atomic_nucleus" title="Atomic nucleus">atomic nucleus</a> is created in a nuclear reaction that combines two other nuclei of unequal size<a href="#cite_note-14">[c]</a> into one; roughly, the more unequal the two nuclei in terms of <a href="/wiki/Mass" title="Mass">mass</a>, the greater the possibility that the two react.<a href="#cite_note-Superheavy_element_Bloomberg-15">[12]</a> The material made of the heavier nuclei is made into a target, which is then bombarded by the <a href="/wiki/Particle_beam" title="Particle beam">beam</a> of lighter nuclei. Two nuclei can only <a href="/wiki/Nuclear_fusion" title="Nuclear fusion">fuse</a> into one if they approach each other closely enough; normally, nuclei (all positively charged) repel each other due to <a href="/wiki/Coulomb%27s_law" title="Coulomb's law">electrostatic repulsion</a>. The <a href="/wiki/Strong_interaction" title="Strong interaction">strong interaction</a> can overcome this repulsion but only within a very short distance from a nucleus; beam nuclei are thus greatly <a href="/wiki/Particle_accelerator" title="Particle accelerator">accelerated</a> in order to make such repulsion insignificant compared to the velocity of the beam nucleus.<a href="#cite_note-Superheavy_element_n+1-16">[13]</a> The energy applied to the beam nuclei to accelerate them can cause them to reach speeds as high as one-tenth of the <a href="/wiki/Speed_of_light" title="Speed of light">speed of light</a>. However, if too much energy is applied, the beam nucleus can fall apart.<a href="#cite_note-Superheavy_element_n+1-16">[13]</a> Coming close enough alone is not enough for two nuclei to fuse: when two nuclei approach each other, they usually remain together for about 10−20 seconds and then part ways (not necessarily in the same composition as before the reaction) rather than form a single nucleus.<a href="#cite_note-Superheavy_element_n+1-16">[13]</a><a href="#cite_note-17">[14]</a> This happens because during the attempted formation of a single nucleus, electrostatic repulsion tears apart the nucleus that is being formed.<a href="#cite_note-Superheavy_element_n+1-16">[13]</a> Each pair of a target and a beam is characterized by its <a href="/wiki/Cross_section_(physics)" title="Cross section (physics)">cross section</a>—the probability that fusion will occur if two nuclei approach one another expressed in terms of the transverse area that the incident particle must hit in order for the fusion to occur.<a href="#cite_note-19">[d]</a> This fusion may occur as a result of the quantum effect in which nuclei can <a href="/wiki/Quantum_tunnelling#Nuclear_fusion" title="Quantum tunnelling">tunnel</a> through electrostatic repulsion. If the two nuclei can stay close past that phase, multiple nuclear interactions result in redistribution of energy and an energy equilibrium.<a href="#cite_note-Superheavy_element_n+1-16">[13]</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><table class="infobox" style="width: 230px; clear: left; float:left;margin:0 1.5em 1.5em 0;"><tbody><tr><th colspan="2" class="infobox-above" style="font-size:115%">External videos</th></tr><tr><td colspan="2" class="infobox-full-data" style="text-align: left"><img alt="video icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Nuvola_apps_kaboodle.svg/16px-Nuvola_apps_kaboodle.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Nuvola_apps_kaboodle.svg/24px-Nuvola_apps_kaboodle.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Nuvola_apps_kaboodle.svg/32px-Nuvola_apps_kaboodle.svg.png 2x" data-file-width="128" data-file-height="128" /> <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=YovAFlzFtzg">Visualization</a> of unsuccessful nuclear fusion, based on calculations from the <a href="/wiki/Australian_National_University" title="Australian National University">Australian National University</a><a href="#cite_note-20">[16]</a></td></tr></tbody></table> The resulting merger is an <a href="/wiki/Excited_state" title="Excited state">excited state</a><a href="#cite_note-21">[17]</a>—termed a <a href="/wiki/Nuclear_reaction#Compound_nuclear_reactions" title="Nuclear reaction">compound nucleus</a>—and thus it is very unstable.<a href="#cite_note-Superheavy_element_n+1-16">[13]</a> To reach a more stable state, the temporary merger may <a href="/wiki/Nuclear_fission" title="Nuclear fission">fission</a> without formation of a more stable nucleus.<a href="#cite_note-Superheavy_element_CzechNuclear-22">[18]</a> Alternatively, the compound nucleus may eject a few <a href="/wiki/Neutron" title="Neutron">neutrons</a>, which would carry away the excitation energy; if the latter is not sufficient for a neutron expulsion, the merger would produce a <a href="/wiki/Gamma_ray" title="Gamma ray">gamma ray</a>. This happens in about 10−16 seconds after the initial nuclear collision and results in creation of a more stable nucleus.<a href="#cite_note-Superheavy_element_CzechNuclear-22">[18]</a> The definition by the <a href="/wiki/IUPAC/IUPAP_Joint_Working_Party" title="IUPAC/IUPAP Joint Working Party">IUPAC/IUPAP Joint Working Party</a> (JWP) states that a <a href="/wiki/Chemical_element" title="Chemical element">chemical element</a> can only be recognized as discovered if a nucleus of it has not <a href="/wiki/Radioactive_decay" title="Radioactive decay">decayed</a> within 10−14 seconds. This value was chosen as an estimate of how long it takes a nucleus to acquire <a href="/wiki/Electron" title="Electron">electrons</a> and thus display its chemical properties.<a href="#cite_note-23">[19]</a><a href="#cite_note-25">[e]</a> <div class="mw-heading mw-heading3"><h3 id="Decay_and_detection">Decay and detection</h3>[<a href="/w/index.php?title=Module:Excerpt&action=edit&section=T-2" title="Edit section: Decay and detection">edit</a>]</div> The beam passes through the target and reaches the next chamber, the separator; if a new nucleus is produced, it is carried with this beam.<a href="#cite_note-Superheavy_element_SHEhowvideo-26">[21]</a> In the separator, the newly produced nucleus is separated from other nuclides (that of the original beam and any other reaction products)<a href="#cite_note-29">[f]</a> and transferred to a <a href="/wiki/Semiconductor_detector" title="Semiconductor detector">surface-barrier detector</a>, which stops the nucleus. The exact location of the upcoming impact on the detector is marked; also marked are its energy and the time of the arrival.<a href="#cite_note-Superheavy_element_SHEhowvideo-26">[21]</a> The transfer takes about 10−6 seconds; in order to be detected, the nucleus must survive this long.<a href="#cite_note-FOOTNOTEZagrebaevKarpovGreiner20133-30">[24]</a> The nucleus is recorded again once its decay is registered, and the location, the <a href="/wiki/Decay_energy" title="Decay energy">energy</a>, and the time of the decay are measured.<a href="#cite_note-Superheavy_element_SHEhowvideo-26">[21]</a> Stability of a nucleus is provided by the strong interaction. However, its range is very short; as nuclei become larger, its influence on the outermost <a href="/wiki/Nucleon" title="Nucleon">nucleons</a> (<a href="/wiki/Proton" title="Proton">protons</a> and neutrons) weakens. At the same time, the nucleus is torn apart by electrostatic repulsion between protons, and its range is not limited.<a href="#cite_note-FOOTNOTEBeiser2003432-31">[25]</a> Total <a href="/wiki/Nuclear_binding_energy" title="Nuclear binding energy">binding energy</a> provided by the strong interaction increases linearly with the number of nucleons, whereas electrostatic repulsion increases with the square of the atomic number, i.e. the latter grows faster and becomes increasingly important for heavy and superheavy nuclei.<a href="#cite_note-Superheavy_element_BrusselsAlpha-32">[26]</a><a href="#cite_note-Superheavy_element_BrusselsSF-33">[27]</a> Superheavy nuclei are thus theoretically predicted<a href="#cite_note-34">[28]</a> and have so far been observed<a href="#cite_note-FOOTNOTEAudi_et_al.2017030001-129–030001-138-35">[29]</a> to predominantly decay via decay modes that are caused by such repulsion: <a href="/wiki/Alpha_decay" title="Alpha decay">alpha decay</a> and <a href="/wiki/Spontaneous_fission" title="Spontaneous fission">spontaneous fission</a>.<a href="#cite_note-37">[g]</a> Almost all alpha emitters have over 210 nucleons,<a href="#cite_note-FOOTNOTEBeiser2003433-38">[31]</a> and the lightest nuclide primarily undergoing spontaneous fission has 238.<a href="#cite_note-FOOTNOTEAudi_et_al.2017030001-125-39">[32]</a> In both decay modes, nuclei are inhibited from decaying by corresponding <a href="/wiki/Rectangular_potential_barrier" title="Rectangular potential barrier">energy barriers</a> for each mode, but they can be tunneled through.<a href="#cite_note-Superheavy_element_BrusselsAlpha-32">[26]</a><a href="#cite_note-Superheavy_element_BrusselsSF-33">[27]</a> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Apparatus_for_creation_of_superheavy_elements_en.svg" class="mw-file-description"><img alt="Apparatus for creation of superheavy elements" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/Apparatus_for_creation_of_superheavy_elements_en.svg/440px-Apparatus_for_creation_of_superheavy_elements_en.svg.png" decoding="async" width="440" height="161" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/Apparatus_for_creation_of_superheavy_elements_en.svg/660px-Apparatus_for_creation_of_superheavy_elements_en.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/34/Apparatus_for_creation_of_superheavy_elements_en.svg/880px-Apparatus_for_creation_of_superheavy_elements_en.svg.png 2x" data-file-width="600" data-file-height="220" /></a><figcaption>Scheme of an apparatus for creation of superheavy elements, based on the Dubna Gas-Filled Recoil Separator set up in the <a href="/wiki/Flerov_Laboratory_of_Nuclear_Reactions" class="mw-redirect" title="Flerov Laboratory of Nuclear Reactions">Flerov Laboratory of Nuclear Reactions</a> in JINR. The trajectory within the detector and the beam focusing apparatus changes because of a <a href="/wiki/Magnetic_dipole" title="Magnetic dipole">dipole magnet</a> in the former and <a href="/wiki/Quadrupole_magnet" title="Quadrupole magnet">quadrupole magnets</a> in the latter.<a href="#cite_note-Superheavy_element_Aksenov-40">[33]</a></figcaption></figure> Alpha particles are commonly produced in radioactive decays because the mass of an alpha particle per nucleon is small enough to leave some energy for the alpha particle to be used as kinetic energy to leave the nucleus.<a href="#cite_note-FOOTNOTEBeiser2003432–433-41">[34]</a> Spontaneous fission is caused by electrostatic repulsion tearing the nucleus apart and produces various nuclei in different instances of identical nuclei fissioning.<a href="#cite_note-Superheavy_element_BrusselsSF-33">[27]</a> As the atomic number increases, spontaneous fission rapidly becomes more important: spontaneous fission partial half-lives decrease by 23 orders of magnitude from <a href="/wiki/Uranium" title="Uranium">uranium</a> (element 92) to nobelium (element 102),<a href="#cite_note-Superheavy_element_Oganessian12-42">[35]</a> and by 30 orders of magnitude from <a href="/wiki/Thorium" title="Thorium">thorium</a> (element 90) to <a href="/wiki/Fermium" title="Fermium">fermium</a> (element 100).<a href="#cite_note-43">[36]</a> The earlier <a href="/wiki/Liquid_drop_model" class="mw-redirect" title="Liquid drop model">liquid drop model</a> thus suggested that spontaneous fission would occur nearly instantly due to disappearance of the <a href="/wiki/Fission_barrier" title="Fission barrier">fission barrier</a> for nuclei with about 280 nucleons.<a href="#cite_note-Superheavy_element_BrusselsSF-33">[27]</a><a href="#cite_note-Superheavy_element_Oganessian04-44">[37]</a> The later <a href="/wiki/Nuclear_shell_model" title="Nuclear shell model">nuclear shell model</a> suggested that nuclei with about 300 nucleons would form an <a href="/wiki/Island_of_stability" title="Island of stability">island of stability</a> in which nuclei will be more resistant to spontaneous fission and will primarily undergo alpha decay with longer half-lives.<a href="#cite_note-Superheavy_element_BrusselsSF-33">[27]</a><a href="#cite_note-Superheavy_element_Oganessian04-44">[37]</a> Subsequent discoveries suggested that the predicted island might be further than originally anticipated; they also showed that nuclei intermediate between the long-lived actinides and the predicted island are deformed, and gain additional stability from shell effects.<a href="#cite_note-45">[38]</a> Experiments on lighter superheavy nuclei,<a href="#cite_note-46">[39]</a> as well as those closer to the expected island,<a href="#cite_note-Superheavy_element_Oganessian12-42">[35]</a> have shown greater than previously anticipated stability against spontaneous fission, showing the importance of shell effects on nuclei.<a href="#cite_note-47">[h]</a> Alpha decays are registered by the emitted alpha particles, and the decay products are easy to determine before the actual decay; if such a decay or a series of consecutive decays produces a known nucleus, the original product of a reaction can be easily determined.<a href="#cite_note-51">[i]</a> (That all decays within a decay chain were indeed related to each other is established by the location of these decays, which must be in the same place.)<a href="#cite_note-Superheavy_element_SHEhowvideo-26">[21]</a> The known nucleus can be recognized by the specific characteristics of decay it undergoes such as decay energy (or more specifically, the <a href="/wiki/Kinetic_energy" title="Kinetic energy">kinetic energy</a> of the emitted particle).<a href="#cite_note-52">[j]</a> Spontaneous fission, however, produces various nuclei as products, so the original nuclide cannot be determined from its daughters.<a href="#cite_note-55">[k]</a> The information available to physicists aiming to synthesize a superheavy element is thus the information collected at the detectors: location, energy, and time of arrival of a particle to the detector, and those of its decay. The physicists analyze this data and seek to conclude that it was indeed caused by a new element and could not have been caused by a different nuclide than the one claimed. Often, provided data is insufficient for a conclusion that a new element was definitely created and there is no other explanation for the observed effects; errors in interpreting data have been made.<a href="#cite_note-61">[l]</a></div></div> <div class="mw-heading mw-heading2"><h2 id="Discovery">Discovery</h2>[<a href="/w/index.php?title=Nobelium&action=edit&section=2" title="Edit section: Discovery">edit</a>]</div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:AlfredNobel2.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/AlfredNobel2.jpg/220px-AlfredNobel2.jpg" decoding="async" width="220" height="279" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/AlfredNobel2.jpg/330px-AlfredNobel2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d2/AlfredNobel2.jpg/440px-AlfredNobel2.jpg 2x" data-file-width="1660" data-file-height="2102" /></a><figcaption>The element was named after <a href="/wiki/Alfred_Nobel" title="Alfred Nobel">Alfred Nobel</a></figcaption></figure> The discovery of element 102 was a complicated process and was claimed by groups from <a href="/wiki/Sweden" title="Sweden">Sweden</a>, the <a href="/wiki/United_States" title="United States">United States</a>, and the <a href="/wiki/Soviet_Union" title="Soviet Union">Soviet Union</a>. The first complete and incontrovertible report of its <a href="/wiki/Discovery_of_the_chemical_elements" class="mw-redirect" title="Discovery of the chemical elements">detection</a> only came in 1966 from the <a href="/wiki/JINR" class="mw-redirect" title="JINR">Joint Institute of Nuclear Research</a> at <a href="/wiki/Dubna" title="Dubna">Dubna</a> (then in the Soviet Union).<a href="#cite_note-93TWG-62">[50]</a> The first announcement of the discovery of element 102 was announced by physicists at the Nobel Institute for Physics in Sweden in 1957. The team reported that they had bombarded a <a href="/wiki/Curium" title="Curium">curium</a> target with <a href="/wiki/Carbon-13" title="Carbon-13">carbon-13</a> ions for twenty-five hours in half-hour intervals. Between bombardments, <a href="/wiki/Ion-exchange" class="mw-redirect" title="Ion-exchange">ion-exchange</a> chemistry was performed on the target. Twelve out of the fifty bombardments contained samples emitting (8.5 ± 0.1) <a href="/wiki/MeV" class="mw-redirect" title="MeV">MeV</a> <a href="/wiki/Alpha_particle" title="Alpha particle">alpha particles</a>, which were in drops which eluted earlier than <a href="/wiki/Fermium" title="Fermium">fermium</a> (atomic number Z = 100) and <a href="/wiki/Californium" title="Californium">californium</a> (Z = 98). The <a href="/wiki/Half-life" title="Half-life">half-life</a> reported was 10 minutes and was assigned to either 251102 or 253102, although the possibility that the alpha particles observed were from a presumably short-lived <a href="/wiki/Mendelevium" title="Mendelevium">mendelevium</a> (Z = 101) isotope created from the electron capture of element 102 was not excluded.<a href="#cite_note-93TWG-62">[50]</a> The team proposed the name nobelium (No) for the new element,<a href="#cite_note-Silva16367-63">[51]</a><a href="#cite_note-64">[52]</a> which was immediately approved by IUPAC,<a href="#cite_note-Emsley2011-65">[53]</a> a decision which the Dubna group characterized in 1968 as being hasty.<a href="#cite_note-TWGresponse-66">[54]</a> In 1958, scientists at the <a href="/wiki/Lawrence_Berkeley_National_Laboratory" title="Lawrence Berkeley National Laboratory">Lawrence Berkeley National Laboratory</a> repeated the experiment. The Berkeley team, consisting of <a href="/wiki/Albert_Ghiorso" title="Albert Ghiorso">Albert Ghiorso</a>, <a href="/wiki/Glenn_T._Seaborg" title="Glenn T. Seaborg">Glenn T. Seaborg</a>, <a href="/w/index.php?title=John_R._Walton&action=edit&redlink=1" class="new" title="John R. Walton (page does not exist)">John R. Walton</a> and <a href="/wiki/Torbj%C3%B8rn_Sikkeland" title="Torbjørn Sikkeland">Torbjørn Sikkeland</a>, used the new heavy-<a href="/wiki/Ion" title="Ion">ion</a> <a href="/wiki/Linear_accelerator" class="mw-redirect" title="Linear accelerator">linear accelerator</a> (HILAC) to bombard a curium target (95% 244Cm and 5% 246Cm) with 13C and 12C ions. They were unable to confirm the 8.5 MeV activity claimed by the Swedes but were instead able to detect decays from fermium-250, supposedly the daughter of 254102 (produced from the curium-246), which had an apparent <a href="/wiki/Half-life" title="Half-life">half-life</a> of ~3 s. Probably this assignment was also wrong, as later 1963 Dubna work showed that the half-life of 254No is significantly longer (about 50 s). It is more likely that the observed alpha decays did not come from element 102, but rather from 250mFm.<a href="#cite_note-93TWG-62">[50]</a> In 1959, the Swedish team attempted to explain the Berkeley team's inability to detect element 102 in 1958, maintaining that they did discover it. However, later work has shown that no nobelium isotopes lighter than 259No (no heavier isotopes could have been produced in the Swedish experiments) with a half-life over 3 minutes exist, and that the Swedish team's results are most likely from <a href="/wiki/Thorium" title="Thorium">thorium</a>-225, which has a half-life of 8 minutes and quickly undergoes triple alpha decay to <a href="/wiki/Polonium" title="Polonium">polonium</a>-213, which has a decay energy of 8.53612 MeV. This hypothesis is lent weight by the fact that thorium-225 can easily be produced in the reaction used and would not be separated out by the chemical methods used. Later work on nobelium also showed that the divalent state is more stable than the trivalent one and hence that the samples emitting the alpha particles could not have contained nobelium, as the divalent nobelium would not have eluted with the other trivalent actinides.<a href="#cite_note-93TWG-62">[50]</a> Thus, the Swedish team later retracted their claim and associated the activity to background effects.<a href="#cite_note-Emsley2011-65">[53]</a> In 1959, the team continued their studies and claimed that they were able to produce an isotope that decayed predominantly by emission of an 8.3 MeV alpha particle, with a <a href="/wiki/Half-life" title="Half-life">half-life</a> of 3 s with an associated 30% <a href="/wiki/Spontaneous_fission" title="Spontaneous fission">spontaneous fission</a> branch. The activity was initially assigned to 254102 but later changed to 252102. However, they also noted that it was not certain that element 102 had been produced due to difficult conditions.<a href="#cite_note-93TWG-62">[50]</a> The Berkeley team decided to adopt the proposed name of the Swedish team, "nobelium", for the element.<a href="#cite_note-Emsley2011-65">[53]</a> <dl><dd>244 96Cm + 12 6C → 256 102No * → 252 102No + 4 1 0 n </dd></dl> Meanwhile, in Dubna, experiments were carried out in 1958 and 1960 aiming to synthesize element 102 as well. The first 1958 experiment bombarded <a href="/wiki/Plutonium-239" title="Plutonium-239">plutonium-239</a> and <a href="/wiki/Plutonium-241" title="Plutonium-241">-241</a> with <a href="/wiki/Oxygen-16" title="Oxygen-16">oxygen-16</a> ions. Some alpha decays with energies just over 8.5 MeV were observed, and they were assigned to 251,252,253102, although the team wrote that formation of isotopes from <a href="/wiki/Lead" title="Lead">lead</a> or <a href="/wiki/Bismuth" title="Bismuth">bismuth</a> impurities (which would not produce nobelium) could not be ruled out. While later 1958 experiments noted that new isotopes could be produced from <a href="/wiki/Mercury_(element)" title="Mercury (element)">mercury</a>, <a href="/wiki/Thallium" title="Thallium">thallium</a>, lead, or bismuth impurities, the scientists still stood by their conclusion that element 102 could be produced from this reaction, mentioning a half-life of under 30 seconds and a decay energy of (8.8 ± 0.5) MeV. Later 1960 experiments proved that these were background effects. 1967 experiments also lowered the decay energy to (8.6 ± 0.4) MeV, but both values are too high to possibly match those of 253No or 254No.<a href="#cite_note-93TWG-62">[50]</a> The Dubna team later stated in 1970 and again in 1987 that these results were not conclusive.<a href="#cite_note-93TWG-62">[50]</a> In 1961, Berkeley scientists claimed the discovery of <a href="/wiki/Lawrencium" title="Lawrencium">element 103</a> in the reaction of californium with <a href="/wiki/Boron" title="Boron">boron</a> and carbon ions. They claimed the production of the isotope 257103, and also claimed to have synthesized an alpha decaying isotope of element 102 that had a half-life of 15 s and alpha decay energy 8.2 MeV. They assigned this to 255102 without giving a reason for the assignment. The values do not agree with those now known for 255No, although they do agree with those now known for 257No, and while this isotope probably played a part in this experiment, its discovery was inconclusive.<a href="#cite_note-93TWG-62">[50]</a> Work on element 102 also continued in Dubna, and in 1964, experiments were carried out there to detect alpha-decay daughters of element 102 isotopes by synthesizing element 102 from the reaction of a <a href="/wiki/Uranium-238" title="Uranium-238">uranium-238</a> target with <a href="/wiki/Neon" title="Neon">neon</a> ions. The products were carried along a <a href="/wiki/Silver" title="Silver">silver</a> catcher foil and purified chemically, and the isotopes 250Fm and 252Fm were detected. The yield of 252Fm was interpreted as evidence that its parent 256102 was also synthesized: as it was noted that 252Fm could also be produced directly in this reaction by the simultaneous emission of an alpha particle with the excess neutrons, steps were taken to ensure that 252Fm could not go directly to the catcher foil. The half-life detected for 256102 was 8 s, which is much higher than the more modern 1967 value of (3.2 ± 0.2) s.<a href="#cite_note-93TWG-62">[50]</a> Further experiments were conducted in 1966 for 254102, using the reactions 243<a href="/wiki/Americium" title="Americium">Am</a>(15<a href="/wiki/Nitrogen" title="Nitrogen">N</a>,4n)254102 and 238U(22Ne,6n)254102, finding a half-life of (50 ± 10) s: at that time the discrepancy between this value and the earlier Berkeley value was not understood, although later work proved that the formation of the isomer 250mFm was less likely in the Dubna experiments than at the Berkeley ones. In hindsight, the Dubna results on 254102 were probably correct and can be now considered a conclusive detection of element 102.<a href="#cite_note-93TWG-62">[50]</a> One more very convincing experiment from Dubna was published in 1966 (though it was submitted in 1965), again using the same two reactions, which concluded that 254102 indeed had a half-life much longer than the 3 seconds claimed by Berkeley.<a href="#cite_note-93TWG-62">[50]</a> Later work in 1967 at Berkeley and 1971 at the <a href="/wiki/Oak_Ridge_National_Laboratory" title="Oak Ridge National Laboratory">Oak Ridge National Laboratory</a> fully confirmed the discovery of element 102 and clarified earlier observations.<a href="#cite_note-Emsley2011-65">[53]</a> In December 1966, the Berkeley group repeated the Dubna experiments and fully confirmed them, and used this data to finally assign correctly the isotopes they had previously synthesized but could not yet identify at the time, and thus claimed to have discovered nobelium in 1958 to 1961.<a href="#cite_note-Emsley2011-65">[53]</a> <dl><dd>238 92U + 22 10Ne → 260 102No * → 254 102No + 6 1 0 n </dd></dl> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Frederic_and_Irene_Joliot-Curie.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/39/Frederic_and_Irene_Joliot-Curie.jpg/220px-Frederic_and_Irene_Joliot-Curie.jpg" decoding="async" width="220" height="157" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/39/Frederic_and_Irene_Joliot-Curie.jpg/330px-Frederic_and_Irene_Joliot-Curie.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/39/Frederic_and_Irene_Joliot-Curie.jpg/440px-Frederic_and_Irene_Joliot-Curie.jpg 2x" data-file-width="3160" data-file-height="2248" /></a><figcaption><a href="/wiki/Fr%C3%A9d%C3%A9ric_Joliot" class="mw-redirect" title="Frédéric Joliot">Frédéric Joliot</a> and <a href="/wiki/Ir%C3%A8ne_Joliot-Curie" title="Irène Joliot-Curie">Irène Joliot-Curie</a></figcaption></figure> In 1969, the Dubna team carried out chemical experiments on element 102 and concluded that it behaved as the heavier homologue of <a href="/wiki/Ytterbium" title="Ytterbium">ytterbium</a>. The Russian scientists proposed the name joliotium (Jo) for the new element after <a href="/wiki/Ir%C3%A8ne_Joliot-Curie" title="Irène Joliot-Curie">Irène Joliot-Curie</a>, who had recently died, creating an <a href="/wiki/Transfermium_Wars" title="Transfermium Wars">element naming controversy</a> that would not be resolved for several decades, with each group using its own proposed names.<a href="#cite_note-Emsley2011-65">[53]</a><a href="#cite_note-67">[55]</a> In 1992, the <a href="/wiki/IUPAC" class="mw-redirect" title="IUPAC">IUPAC</a>-<a href="/wiki/IUPAP" class="mw-redirect" title="IUPAP">IUPAP</a> Transfermium Working Group (TWG) reassessed the claims of discovery and concluded that only the Dubna work from 1966 correctly detected and assigned decays to nuclei with atomic number 102 at the time. The Dubna team are therefore officially recognised as the discoverers of nobelium, although it is possible that it was detected at Berkeley in 1959.<a href="#cite_note-93TWG-62">[50]</a> This decision was criticized by Berkeley the following year, calling the reopening of the cases of elements 101 to 103 a "futile waste of time", while Dubna agreed with IUPAC's decision.<a href="#cite_note-TWGresponse-66">[54]</a> In 1994, as part of an attempted resolution to the element naming controversy, IUPAC ratified names for elements 101–109. For element 102, it ratified the name nobelium (No) on the basis that it had become entrenched in the literature over the course of 30 years and that <a href="/wiki/Alfred_Nobel" title="Alfred Nobel">Alfred Nobel</a> should be commemorated in this fashion.<a href="#cite_note-IUPAC1997-68">[56]</a> Because of outcry over the 1994 names, which mostly did not respect the choices of the discoverers, a comment period ensued, and in 1995 IUPAC named element 102 flerovium (Fl) as part of a new proposal, after either <a href="/wiki/Georgy_Flyorov" title="Georgy Flyorov">Georgy Flyorov</a> or his eponymous <a href="/wiki/Flerov_Laboratory_of_Nuclear_Reactions" class="mw-redirect" title="Flerov Laboratory of Nuclear Reactions">Flerov Laboratory of Nuclear Reactions</a>.<a href="#cite_note-Haire-69">[57]</a> This proposal was also not accepted, and in 1997 the name nobelium was restored.<a href="#cite_note-IUPAC1997-68">[56]</a> Today the name flerovium, with the same symbol, refers to <a href="/wiki/Flerovium" title="Flerovium">element 114</a>.<a href="#cite_note-IUPAC-names-114-116-70">[58]</a> <div class="mw-heading mw-heading2"><h2 id="Characteristics">Characteristics</h2>[<a href="/w/index.php?title=Nobelium&action=edit&section=3" title="Edit section: Characteristics">edit</a>]</div> <div class="mw-heading mw-heading3"><h3 id="Physical">Physical</h3>[<a href="/w/index.php?title=Nobelium&action=edit&section=4" title="Edit section: Physical">edit</a>]</div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Fblock_fd_promotion_energy.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Fblock_fd_promotion_energy.png/350px-Fblock_fd_promotion_energy.png" decoding="async" width="350" height="382" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Fblock_fd_promotion_energy.png/525px-Fblock_fd_promotion_energy.png 1.5x, //upload.wikimedia.org/wikipedia/commons/7/70/Fblock_fd_promotion_energy.png 2x" data-file-width="550" data-file-height="600" /></a><figcaption>Energy required to promote an f electron to the d subshell for the f-block lanthanides and actinides. Above around 210 kJ/mol, this energy is too high to be provided for by the greater <a href="/w/index.php?title=Crystal_energy&action=edit&redlink=1" class="new" title="Crystal energy (page does not exist)">crystal energy</a> of the trivalent state and thus einsteinium, fermium, and mendelevium form divalent metals like the lanthanides <a href="/wiki/Europium" title="Europium">europium</a> and <a href="/wiki/Ytterbium" title="Ytterbium">ytterbium</a>. Nobelium is also expected to form a divalent metal, but this has not yet been confirmed.<a href="#cite_note-71">[59]</a></figcaption></figure> In the <a href="/wiki/Periodic_table" title="Periodic table">periodic table</a>, nobelium is located to the right of the actinide <a href="/wiki/Mendelevium" title="Mendelevium">mendelevium</a>, to the left of the actinide <a href="/wiki/Lawrencium" title="Lawrencium">lawrencium</a>, and below the lanthanide <a href="/wiki/Ytterbium" title="Ytterbium">ytterbium</a>. Nobelium metal has not yet been prepared in bulk quantities, and bulk preparation is currently impossible.<a href="#cite_note-Silva1639-72">[60]</a> Nevertheless, a number of predictions and some preliminary experimental results have been done regarding its properties.<a href="#cite_note-Silva1639-72">[60]</a> The lanthanides and actinides, in the metallic state, can exist as either divalent (such as <a href="/wiki/Europium" title="Europium">europium</a> and <a href="/wiki/Ytterbium" title="Ytterbium">ytterbium</a>) or trivalent (most other lanthanides) metals. The former have fns2 configurations, whereas the latter have fn−1d1s2 configurations. In 1975, Johansson and Rosengren examined the measured and predicted values for the <a href="/w/index.php?title=Cohesive_energy&action=edit&redlink=1" class="new" title="Cohesive energy (page does not exist)">cohesive energies</a> (<a href="/wiki/Enthalpy" title="Enthalpy">enthalpies</a> of crystallization) of the metallic <a href="/wiki/Lanthanide" title="Lanthanide">lanthanides</a> and <a href="/wiki/Actinide" title="Actinide">actinides</a>, both as divalent and trivalent metals.<a href="#cite_note-Silva16268-73">[61]</a><a href="#cite_note-74">[62]</a> The conclusion was that the increased binding energy of the [Rn]5f136d17s2 configuration over the [Rn]5f147s2 configuration for nobelium was not enough to compensate for the energy needed to promote one 5f electron to 6d, as is true also for the very late actinides: thus <a href="/wiki/Einsteinium" title="Einsteinium">einsteinium</a>, <a href="/wiki/Fermium" title="Fermium">fermium</a>, <a href="/wiki/Mendelevium" title="Mendelevium">mendelevium</a>, and nobelium were expected to be divalent metals, although for nobelium this prediction has not yet been confirmed.<a href="#cite_note-Silva16268-73">[61]</a> The increasing predominance of the divalent state well before the actinide series concludes is attributed to the <a href="/wiki/Relativistic_quantum_chemistry" title="Relativistic quantum chemistry">relativistic</a> stabilization of the 5f electrons, which increases with increasing atomic number: an effect of this is that nobelium is predominantly divalent instead of trivalent, unlike all the other lanthanides and actinides.<a href="#cite_note-75">[63]</a> In 1986, nobelium metal was estimated to have an <a href="/wiki/Enthalpy_of_sublimation" title="Enthalpy of sublimation">enthalpy of sublimation</a> between 126 kJ/mol, a value close to the values for einsteinium, fermium, and mendelevium and supporting the theory that nobelium would form a divalent metal.<a href="#cite_note-Silva1639-72">[60]</a> Like the other divalent late actinides (except the once again trivalent lawrencium), metallic nobelium should assume a <a href="/wiki/Face-centered_cubic" class="mw-redirect" title="Face-centered cubic">face-centered cubic</a> crystal structure.<a href="#cite_note-density-2">[2]</a> Divalent nobelium metal should have a <a href="/wiki/Metallic_radius" class="mw-redirect" title="Metallic radius">metallic radius</a> of around 197 <a href="/wiki/Picometer" class="mw-redirect" title="Picometer">pm</a>.<a href="#cite_note-Silva1639-72">[60]</a> Nobelium's melting point has been predicted to be 800 °C, the same value as that estimated for the neighboring element mendelevium.<a href="#cite_note-76">[64]</a> Its density is predicted to be around 9.9 ± 0.4 g/cm3.<a href="#cite_note-density-2">[2]</a> <div class="mw-heading mw-heading3"><h3 id="Chemical">Chemical</h3>[<a href="/w/index.php?title=Nobelium&action=edit&section=5" title="Edit section: Chemical">edit</a>]</div> The chemistry of nobelium is incompletely characterized and is known only in aqueous solution, in which it can take on the +3 or +2 <a href="/wiki/Oxidation_state" title="Oxidation state">oxidation states</a>, the latter being more stable.<a href="#cite_note-Silva16367-63">[51]</a> It was largely expected before the discovery of nobelium that in solution, it would behave like the other actinides, with the trivalent state being predominant; however, Seaborg predicted in 1949 that the +2 state would also be relatively stable for nobelium, as the No2+ ion would have the ground-state electron configuration [Rn]5f14, including the stable filled 5f14 shell. It took nineteen years before this prediction was confirmed.<a href="#cite_note-Silva163941-77">[65]</a> In 1967, experiments were conducted to compare nobelium's chemical behavior to that of <a href="/wiki/Terbium" title="Terbium">terbium</a>, <a href="/wiki/Californium" title="Californium">californium</a>, and <a href="/wiki/Fermium" title="Fermium">fermium</a>. All four elements were reacted with <a href="/wiki/Chlorine" title="Chlorine">chlorine</a> and the resulting chlorides were deposited along a tube, along which they were carried by a gas. It was found that the nobelium chloride produced was strongly <a href="/wiki/Adsorption" title="Adsorption">adsorbed</a> on solid surfaces, proving that it was not very <a href="/wiki/Volatility_(chemistry)" title="Volatility (chemistry)">volatile</a>, like the chlorides of the other three investigated elements. However, both NoCl2 and NoCl3 were expected to exhibit nonvolatile behavior and hence this experiment was inconclusive as to what the preferred oxidation state of nobelium was.<a href="#cite_note-Silva163941-77">[65]</a> Determination of nobelium's favoring of the +2 state had to wait until the next year, when <a href="/w/index.php?title=Cation-exchange_chromatography&action=edit&redlink=1" class="new" title="Cation-exchange chromatography (page does not exist)">cation-exchange chromatography</a> and <a href="/wiki/Coprecipitation" title="Coprecipitation">coprecipitation</a> experiments were carried out on around fifty thousand 255No atoms, finding that it behaved differently from the other actinides and more like the divalent <a href="/wiki/Alkaline_earth_metal" title="Alkaline earth metal">alkaline earth metals</a>. This proved that in aqueous solution, nobelium is most stable in the divalent state when strong <a href="/wiki/Redox" title="Redox">oxidizers</a> are absent.<a href="#cite_note-Silva163941-77">[65]</a> Later experimentation in 1974 showed that nobelium eluted with the alkaline earth metals, between <a href="/wiki/Calcium" title="Calcium">Ca</a>2+ and <a href="/wiki/Strontium" title="Strontium">Sr</a>2+.<a href="#cite_note-Silva163941-77">[65]</a> Nobelium is the only known f-block element for which the +2 state is the most common and stable one in aqueous solution. This occurs because of the large energy gap between the 5f and 6d orbitals at the end of the actinide series.<a href="#cite_note-78">[66]</a> It is expected that the relativistic stabilization of the 7s subshell greatly destabilizes nobelium dihydride, NoH2, and relativistic stabilisation of the 7p1/2 spinor over the 6d3/2 spinor mean that excited states in nobelium atoms have 7s and 7p contribution instead of the expected 6d contribution. The long No–H distances in the NoH2 molecule and the significant charge transfer lead to extreme ionicity with a <a href="/wiki/Molecular_dipole_moment" class="mw-redirect" title="Molecular dipole moment">dipole moment</a> of 5.94 <a href="/wiki/Debye" title="Debye">D</a> for this molecule. In this molecule, nobelium is expected to exhibit <a href="/wiki/Main-group_element" title="Main-group element">main-group-like</a> behavior, specifically acting like an <a href="/wiki/Alkaline_earth_metal" title="Alkaline earth metal">alkaline earth metal</a> with its ns2 valence shell configuration and core-like 5f orbitals.<a href="#cite_note-79">[67]</a> Nobelium's <a href="/wiki/Coordination_complex" title="Coordination complex">complexing</a> ability with <a href="/wiki/Chloride" title="Chloride">chloride</a> ions is most similar to that of <a href="/wiki/Barium" title="Barium">barium</a>, which complexes rather weakly.<a href="#cite_note-Silva163941-77">[65]</a> Its complexing ability with <a href="/wiki/Citrate" class="mw-redirect" title="Citrate">citrate</a>, <a href="/wiki/Oxalate" title="Oxalate">oxalate</a>, and <a href="/wiki/Acetate" title="Acetate">acetate</a> in an aqueous solution of 0.5 M <a href="/wiki/Ammonium_nitrate" title="Ammonium nitrate">ammonium nitrate</a> is between that of calcium and strontium, although it is somewhat closer to that of strontium.<a href="#cite_note-Silva163941-77">[65]</a> The <a href="/wiki/Standard_reduction_potential" class="mw-redirect" title="Standard reduction potential">standard reduction potential</a> of the E°(No3+→No2+) couple was estimated in 1967 to be between +1.4 and +1.5 <a href="/wiki/Volt" title="Volt">V</a>;<a href="#cite_note-Silva163941-77">[65]</a> it was later found in 2009 to be only about +0.75 V.<a href="#cite_note-80">[68]</a> The positive value shows that No2+ is more stable than No3+ and that No3+ is a good oxidizing agent. While the quoted values for the E°(No2+→No0) and E°(No3+→No0) vary among sources, the accepted standard estimates are −2.61 and −1.26 V.<a href="#cite_note-Silva163941-77">[65]</a> It has been predicted that the value for the E°(No4+→No3+) couple would be +6.5 V.<a href="#cite_note-Silva163941-77">[65]</a> The <a href="/wiki/Gibbs_energy" class="mw-redirect" title="Gibbs energy">Gibbs energies</a> of formation for No3+ and No2+ are estimated to be −342 and −480 <a href="/wiki/Kilojoule_per_mole" class="mw-redirect" title="Kilojoule per mole">kJ/mol</a>, respectively.<a href="#cite_note-Silva163941-77">[65]</a> <div class="mw-heading mw-heading3"><h3 id="Atomic">Atomic</h3>[<a href="/w/index.php?title=Nobelium&action=edit&section=6" title="Edit section: Atomic">edit</a>]</div> A nobelium atom has 102 electrons. They are expected to be arranged in the configuration [Rn]5f147s2 (ground state <a href="/wiki/Term_symbol" title="Term symbol">term symbol</a> 1S0), although experimental verification of this electron configuration had not yet been made as of 2006. The sixteen electrons in the 5f and 7s subshells are <a href="/wiki/Valence_electron" title="Valence electron">valence electrons</a>.<a href="#cite_note-Silva1639-72">[60]</a> In forming compounds, three valence electrons may be lost, leaving behind a [Rn]5f13 core: this conforms to the trend set by the other actinides with their [Rn]5fn electron configurations in the tripositive state. Nevertheless, it is more likely that only two valence electrons are lost, leaving behind a stable [Rn]5f14 core with a filled 5f14 shell. The first <a href="/wiki/Ionization_potential" class="mw-redirect" title="Ionization potential">ionization potential</a> of nobelium was measured to be at most (6.65 ± 0.07) <a href="/wiki/Electronvolt" title="Electronvolt">eV</a> in 1974, based on the assumption that the 7s electrons would ionize before the 5f ones;<a href="#cite_note-NIST-81">[69]</a> this value has not yet been refined further due to nobelium's scarcity and high radioactivity.<a href="#cite_note-82">[70]</a> The ionic radius of <a href="/wiki/Coordination_number" title="Coordination number">hexacoordinate</a> and octacoordinate No3+ had been preliminarily estimated in 1978 to be around 90 and 102 pm respectively;<a href="#cite_note-Silva163941-77">[65]</a> the ionic radius of No2+ has been experimentally found to be 100 pm to two <a href="/wiki/Significant_figure" class="mw-redirect" title="Significant figure">significant figures</a>.<a href="#cite_note-Silva1639-72">[60]</a> The <a href="/w/index.php?title=Enthalpy_of_hydration&action=edit&redlink=1" class="new" title="Enthalpy of hydration (page does not exist)">enthalpy of hydration</a> of No2+ has been calculated as 1486 kJ/mol.<a href="#cite_note-Silva163941-77">[65]</a> <div class="mw-heading mw-heading3"><h3 id="Isotopes">Isotopes</h3>[<a href="/w/index.php?title=Nobelium&action=edit&section=7" title="Edit section: Isotopes">edit</a>]</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Isotopes_of_nobelium" title="Isotopes of nobelium">Isotopes of nobelium</a></div> Fourteen isotopes of nobelium are known, with <a href="/wiki/Mass_number" title="Mass number">mass numbers</a> 248–260 and 262; all are radioactive.<a href="#cite_note-NUBASE2020-7">[6]</a> Additionally, <a href="/wiki/Nuclear_isomer" title="Nuclear isomer">nuclear isomers</a> are known for mass numbers 250, 251, 253, and 254.<a href="#cite_note-unc-83">[71]</a><a href="#cite_note-NUBASE2003-84">[72]</a> Of these, the longest-lived isotope is 259No with a half-life of 58 minutes, and the longest-lived isomer is 251mNo with a half-life of 1.7 seconds.<a href="#cite_note-unc-83">[71]</a><a href="#cite_note-NUBASE2003-84">[72]</a> However, the still undiscovered isotope 261No is predicted to have a still longer half-life of 3 hours.<a href="#cite_note-NUBASE2020-7">[6]</a> Additionally, the shorter-lived 255No (half-life 3.1 minutes) is more often used in chemical experimentation because it can be produced in larger quantities from irradiation of <a href="/wiki/Californium-249" class="mw-redirect" title="Californium-249">californium-249</a> with <a href="/wiki/Carbon-12" title="Carbon-12">carbon-12</a> ions.<a href="#cite_note-Silva16378-85">[73]</a> After 259No and 255No, the next most stable nobelium isotopes are 253No (half-life 1.62 minutes), 254No (51 <a href="/wiki/Second" title="Second">seconds</a>), 257No (25 seconds), 256No (2.91 seconds), and 252No (2.57 seconds).<a href="#cite_note-Silva16378-85">[73]</a><a href="#cite_note-unc-83">[71]</a><a href="#cite_note-NUBASE2003-84">[72]</a> All of the remaining nobelium isotopes have half-lives that are less than a second, and the shortest-lived known nobelium isotope (248No) has a half-life of less than 2 <a href="/wiki/Microsecond" title="Microsecond">microseconds</a>.<a href="#cite_note-NUBASE2020-7">[6]</a> The isotope 254No is especially interesting theoretically as it is in the middle of a series of <a href="/wiki/Prolate" class="mw-redirect" title="Prolate">prolate</a> nuclei from 231<a href="/wiki/Protactinium" title="Protactinium">Pa</a> to 279<a href="/wiki/Roentgenium" title="Roentgenium">Rg</a>, and the formation of its nuclear isomers (of which two are known) is controlled by <a href="/wiki/Nuclear_shell_model" title="Nuclear shell model">proton orbitals</a> such as 2f5/2 which come just above the spherical proton shell; it can be synthesized in the reaction of 208Pb with 48Ca.<a href="#cite_note-Kratz-86">[74]</a> The half-lives of nobelium isotopes increase smoothly from 250No to 253No. However, a dip appears at 254No, and beyond this the half-lives of <a href="/wiki/Even_and_odd_atomic_nuclei" title="Even and odd atomic nuclei">even-even</a> nobelium isotopes drop sharply as <a href="/wiki/Spontaneous_fission" title="Spontaneous fission">spontaneous fission</a> becomes the dominant decay mode. For example, the half-life of 256No is almost three seconds, but that of 258No is only 1.2 milliseconds.<a href="#cite_note-Silva16378-85">[73]</a><a href="#cite_note-unc-83">[71]</a><a href="#cite_note-NUBASE2003-84">[72]</a> This shows that at nobelium, the mutual repulsion of protons poses a limit to the <a href="/wiki/Island_of_stability" title="Island of stability">region of long-lived nuclei</a> in the <a href="/wiki/Actinide" title="Actinide">actinide</a> series.<a href="#cite_note-Nurmia-87">[75]</a> The even-odd nobelium isotopes mostly continue to have longer half-lives as their mass numbers increase, with a dip in the trend at 257No.<a href="#cite_note-Silva16378-85">[73]</a><a href="#cite_note-unc-83">[71]</a><a href="#cite_note-NUBASE2003-84">[72]</a> <div class="mw-heading mw-heading2"><h2 id="Preparation_and_purification">Preparation and purification</h2>[<a href="/w/index.php?title=Nobelium&action=edit&section=8" title="Edit section: Preparation and purification">edit</a>]</div> The isotopes of nobelium are mostly produced by bombarding actinide targets (<a href="/wiki/Uranium" title="Uranium">uranium</a>, <a href="/wiki/Plutonium" title="Plutonium">plutonium</a>, <a href="/wiki/Curium" title="Curium">curium</a>, <a href="/wiki/Californium" title="Californium">californium</a>, or <a href="/wiki/Einsteinium" title="Einsteinium">einsteinium</a>), with the exception of nobelium-262, which is produced as the <a href="/wiki/Decay_product" title="Decay product">daughter</a> of lawrencium-262.<a href="#cite_note-Silva16378-85">[73]</a> The most commonly used isotope, 255No, can be produced from bombarding <a href="/wiki/Curium" title="Curium">curium</a>-248 or californium-249 with carbon-12: the latter method is more common. Irradiating a 350 <a href="/wiki/Microgram" title="Microgram">μg</a> cm−2 target of californium-249 with three trillion (3 × 1012) 73 <a href="/wiki/Electronvolt" title="Electronvolt">MeV</a> carbon-12 ions per second for ten minutes can produce around 1200 nobelium-255 atoms.<a href="#cite_note-Silva16378-85">[73]</a> Once the nobelium-255 is produced, it can be separated out similarly as used to purify the neighboring actinide mendelevium. The recoil <a href="/wiki/Momentum" title="Momentum">momentum</a> of the produced nobelium-255 atoms is used to bring them physically far away from the target from which they are produced, bringing them onto a thin foil of metal (usually <a href="/wiki/Beryllium" title="Beryllium">beryllium</a>, <a href="/wiki/Aluminium" title="Aluminium">aluminium</a>, <a href="/wiki/Platinum" title="Platinum">platinum</a>, or <a href="/wiki/Gold" title="Gold">gold</a>) just behind the target in a vacuum: this is usually combined by trapping the nobelium atoms in a gas atmosphere (frequently <a href="/wiki/Helium" title="Helium">helium</a>), and carrying them along with a gas jet from a small opening in the reaction chamber. Using a long <a href="/wiki/Capillary_tube" class="mw-redirect" title="Capillary tube">capillary tube</a>, and including <a href="/wiki/Potassium_chloride" title="Potassium chloride">potassium chloride</a> aerosols in the helium gas, the nobelium atoms can be transported over tens of <a href="/wiki/Meter" class="mw-redirect" title="Meter">meters</a>.<a href="#cite_note-Silva16389-88">[76]</a> The thin layer of nobelium collected on the foil can then be removed with dilute acid without completely dissolving the foil.<a href="#cite_note-Silva16389-88">[76]</a> The nobelium can then be isolated by exploiting its tendency to form the divalent state, unlike the other trivalent actinides: under typically used <a href="/wiki/Elution" title="Elution">elution</a> conditions (<a href="/w/index.php?title=Bis-(2-ethylhexyl)_phosphoric_acid&action=edit&redlink=1" class="new" title="Bis-(2-ethylhexyl) phosphoric acid (page does not exist)">bis-(2-ethylhexyl) phosphoric acid</a> (HDEHP) as stationary organic phase and 0.05 M <a href="/wiki/Hydrochloric_acid" title="Hydrochloric acid">hydrochloric acid</a> as mobile aqueous phase, or using 3 M hydrochloric acid as an eluant from <a href="/wiki/Cation-exchange" class="mw-redirect" title="Cation-exchange">cation-exchange</a> resin columns), nobelium will pass through the column and elute while the other trivalent actinides remain on the column.<a href="#cite_note-Silva16389-88">[76]</a> However, if a direct "catcher" gold foil is used, the process is complicated by the need to separate out the gold using <a href="/wiki/Anion-exchange" class="mw-redirect" title="Anion-exchange">anion-exchange</a> <a href="/wiki/Chromatography" title="Chromatography">chromatography</a> before isolating the nobelium by elution from <a href="/wiki/Chromatography" title="Chromatography">chromatographic</a> extraction columns using HDEHP.<a href="#cite_note-Silva16389-88">[76]</a> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2>[<a href="/w/index.php?title=Nobelium&action=edit&section=9" title="Edit section: Notes">edit</a>]</div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-3"><a href="#cite_ref-3">^</a> The density is calculated from the predicted metallic radius (Silva 2008, p. 1639) and the predicted close-packed crystal structure (Fournier 1976). </li> <li id="cite_note-11"><a href="#cite_ref-11">^</a> In <a href="/wiki/Nuclear_physics" title="Nuclear physics">nuclear physics</a>, an element is called <a href="/wiki/Heavy_element" class="mw-redirect" title="Heavy element">heavy</a> if its atomic number is high; <a href="/wiki/Lead" title="Lead">lead</a> (element 82) is one example of such a heavy element. The term "superheavy elements" typically refers to elements with atomic number greater than <a href="/wiki/Lawrencium" title="Lawrencium">103</a> (although there are other definitions, such as atomic number greater than <a href="/wiki/Fermium" title="Fermium">100</a><a href="#cite_note-8">[7]</a> or <a href="/wiki/Copernicium" title="Copernicium">112</a>;<a href="#cite_note-9">[8]</a> sometimes, the term is presented an equivalent to the term "transactinide", which puts an upper limit before the beginning of the hypothetical <a href="/wiki/Superactinide" class="mw-redirect" title="Superactinide">superactinide</a> series).<a href="#cite_note-10">[9]</a> Terms "heavy isotopes" (of a given element) and "heavy nuclei" mean what could be understood in the common language—isotopes of high mass (for the given element) and nuclei of high mass, respectively. </li> <li id="cite_note-14"><a href="#cite_ref-14">^</a> In 2009, a team at the JINR led by Oganessian published results of their attempt to create hassium in a symmetric 136Xe + 136Xe reaction. They failed to observe a single atom in such a reaction, putting the upper limit on the cross section, the measure of probability of a nuclear reaction, as 2.5 <a href="/wiki/Picobarn" class="mw-redirect" title="Picobarn">pb</a>.<a href="#cite_note-12">[10]</a> In comparison, the reaction that resulted in hassium discovery, 208Pb + 58Fe, had a cross section of ~20 pb (more specifically, 19+19 -11 pb), as estimated by the discoverers.<a href="#cite_note-Superheavy_element_84Mu01-13">[11]</a> </li> <li id="cite_note-19"><a href="#cite_ref-19">^</a> The amount of energy applied to the beam particle to accelerate it can also influence the value of cross section. For example, in the 28 14Si + 1 0n → 28 13Al + 1 1p reaction, cross section changes smoothly from 370 mb at 12.3 MeV to 160 mb at 18.3 MeV, with a broad peak at 13.5 MeV with the maximum value of 380 mb.<a href="#cite_note-18">[15]</a> </li> <li id="cite_note-25"><a href="#cite_ref-25">^</a> This figure also marks the generally accepted upper limit for lifetime of a compound nucleus.<a href="#cite_note-Superheavy_element_BerkeleyNoSF-24">[20]</a> </li> <li id="cite_note-29"><a href="#cite_ref-29">^</a> This separation is based on that the resulting nuclei move past the target more slowly then the unreacted beam nuclei. The separator contains electric and magnetic fields whose effects on a moving particle cancel out for a specific velocity of a particle.<a href="#cite_note-FOOTNOTEHoffmanGhiorsoSeaborg2000334-27">[22]</a> Such separation can also be aided by a <a href="/wiki/Time-of-flight_mass_spectrometry" title="Time-of-flight mass spectrometry">time-of-flight measurement</a> and a recoil energy measurement; a combination of the two may allow to estimate the mass of a nucleus.<a href="#cite_note-FOOTNOTEHoffmanGhiorsoSeaborg2000335-28">[23]</a> </li> <li id="cite_note-37"><a href="#cite_ref-37">^</a> Not all decay modes are caused by electrostatic repulsion. For example, <a href="/wiki/Beta_decay" title="Beta decay">beta decay</a> is caused by the <a href="/wiki/Weak_interaction" title="Weak interaction">weak interaction</a>.<a href="#cite_note-FOOTNOTEBeiser2003439-36">[30]</a> </li> <li id="cite_note-47"><a href="#cite_ref-47">^</a> It was already known by the 1960s that ground states of nuclei differed in energy and shape as well as that certain magic numbers of nucleons corresponded to greater stability of a nucleus. However, it was assumed that there was no nuclear structure in superheavy nuclei as they were too deformed to form one.<a href="#cite_note-Superheavy_element_Oganessian12-42">[35]</a> </li> <li id="cite_note-51"><a href="#cite_ref-51">^</a> Since mass of a nucleus is not measured directly but is rather calculated from that of another nucleus, such measurement is called indirect. Direct measurements are also possible, but for the most part they have remained unavailable for superheavy nuclei.<a href="#cite_note-48">[40]</a> The first direct measurement of mass of a superheavy nucleus was reported in 2018 at LBNL.<a href="#cite_note-49">[41]</a> Mass was determined from the location of a nucleus after the transfer (the location helps determine its trajectory, which is linked to the mass-to-charge ratio of the nucleus, since the transfer was done in presence of a magnet).<a href="#cite_note-Superheavy_element_C&EN-50">[42]</a> </li> <li id="cite_note-52"><a href="#cite_ref-52">^</a> If the decay occurred in a vacuum, then since total momentum of an isolated system before and after the decay <a href="/wiki/Momentum#Conservation" title="Momentum">must be preserved</a>, the daughter nucleus would also receive a small velocity. The ratio of the two velocities, and accordingly the ratio of the kinetic energies, would thus be inverse to the ratio of the two masses. The decay energy equals the sum of the known kinetic energy of the alpha particle and that of the daughter nucleus (an exact fraction of the former).<a href="#cite_note-FOOTNOTEBeiser2003433-38">[31]</a> The calculations hold for an experiment as well, but the difference is that the nucleus does not move after the decay because it is tied to the detector. </li> <li id="cite_note-55"><a href="#cite_ref-55">^</a> Spontaneous fission was discovered by Soviet physicist <a href="/wiki/Georgy_Flerov" class="mw-redirect" title="Georgy Flerov">Georgy Flerov</a>,<a href="#cite_note-Superheavy_element_Distillations-53">[43]</a> a leading scientist at JINR, and thus it was a "hobbyhorse" for the facility.<a href="#cite_note-Superheavy_element_coldfusion77-54">[44]</a> In contrast, the LBL scientists believed fission information was not sufficient for a claim of synthesis of an element. They believed spontaneous fission had not been studied enough to use it for identification of a new element, since there was a difficulty of establishing that a compound nucleus had only ejected neutrons and not charged particles like protons or alpha particles.<a href="#cite_note-Superheavy_element_BerkeleyNoSF-24">[20]</a> They thus preferred to link new isotopes to the already known ones by successive alpha decays.<a href="#cite_note-Superheavy_element_Distillations-53">[43]</a> </li> <li id="cite_note-61"><a href="#cite_ref-61">^</a> For instance, element 102 was mistakenly identified in 1957 at the Nobel Institute of Physics in <a href="/wiki/Stockholm" title="Stockholm">Stockholm</a>, <a href="/wiki/Stockholm_County" title="Stockholm County">Stockholm County</a>, <a href="/wiki/Sweden" title="Sweden">Sweden</a>.<a href="#cite_note-Superheavy_element_RSC-56">[45]</a> There were no earlier definitive claims of creation of this element, and the element was assigned a name by its Swedish, American, and British discoverers, nobelium. It was later shown that the identification was incorrect.<a href="#cite_note-FOOTNOTEKragh201838–39-57">[46]</a> The following year, RL was unable to reproduce the Swedish results and announced instead their synthesis of the element; that claim was also disproved later.<a href="#cite_note-FOOTNOTEKragh201838–39-57">[46]</a> JINR insisted that they were the first to create the element and suggested a name of their own for the new element, joliotium;<a href="#cite_note-FOOTNOTEKragh201840-58">[47]</a> the Soviet name was also not accepted (JINR later referred to the naming of the element 102 as "hasty").<a href="#cite_note-Superheavy_element_1993_responses-59">[48]</a> This name was proposed to IUPAC in a written response to their ruling on priority of discovery claims of elements, signed 29 September 1992.<a href="#cite_note-Superheavy_element_1993_responses-59">[48]</a> The name "nobelium" remained unchanged on account of its widespread usage.<a href="#cite_note-Superheavy_element_IUPAC97-60">[49]</a> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2>[<a href="/w/index.php?title=Nobelium&action=edit&section=10" title="Edit section: References">edit</a>]</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-CRC2003-1">^ <a href="#cite_ref-CRC2003_1-0">a</a> <a href="#cite_ref-CRC2003_1-1">b</a> <style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFLide2003" class="citation book cs1">Lide, David R., ed. 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Pure and Applied Chemistry. 65 (8): 1757. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1351%2Fpac199365081757">10.1351/pac199365081757</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:195819585">195819585</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Pure+and+Applied+Chemistry&rft.atitle=Discovery+of+the+transfermium+elements.+Part+II%3A+Introduction+to+discovery+profiles.+Part+III%3A+Discovery+profiles+of+the+transfermium+elements&rft.volume=65&rft.issue=8&rft.pages=1757&rft.date=1993&rft_id=info%3Adoi%2F10.1351%2Fpac199365081757&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A195819585%23id-name%3DS2CID&rft.aulast=Barber&rft.aufirst=Robert+C.&rft.au=Greenwood%2C+Norman+N.&rft.au=Hrynkiewicz%2C+Andrzej+Z.&rft.au=Jeannin%2C+Yves+P.&rft.au=Lefort%2C+Marc&rft.au=Sakai%2C+Mitsuo&rft.au=%C3%9Alehla%2C+Ivan+M.&rft.au=Wapstra%2C+Aaldert+Hendrik&rft.au=Wilkinson%2C+Denys+H.&rft_id=https%3A%2F%2Fdoi.org%2F10.1351%252Fpac199365081757&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANobelium" class="Z3988"> (Note: for Part I see Pure and Applied Chemistry, vol. 63, no. 6, pp. 879–886, 1991) </li> <li id="cite_note-Silva16367-63">^ <a href="#cite_ref-Silva16367_63-0">a</a> <a href="#cite_ref-Silva16367_63-1">b</a> <a href="#CITEREFSilva2011">Silva 2011</a>, pp. 1636–7 </li> <li id="cite_note-64"><a href="#cite_ref-64">^</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFieldsFriedmanMilstedAtterling1957" class="citation journal cs1">Fields, Peter R.; Friedman, Arnold M.; Milsted, John; Atterling, Hugo; Forsling, Wilhelm; Holm, Lennart W.; Åström, Björn (1 September 1957). 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Physical Review. 107 (5): 1460–1462. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1957PhRv..107.1460F">1957PhRv..107.1460F</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRev.107.1460">10.1103/PhysRev.107.1460</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review&rft.atitle=Production+of+the+New+Element+102&rft.volume=107&rft.issue=5&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1460-%3C%2Fspan%3E1462&rft.date=1957-09-01&rft_id=info%3Adoi%2F10.1103%2FPhysRev.107.1460&rft_id=info%3Abibcode%2F1957PhRv..107.1460F&rft.aulast=Fields&rft.aufirst=Peter+R.&rft.au=Friedman%2C+Arnold+M.&rft.au=Milsted%2C+John&rft.au=Atterling%2C+Hugo&rft.au=Forsling%2C+Wilhelm&rft.au=Holm%2C+Lennart+W.&rft.au=%C3%85str%C3%B6m%2C+Bj%C3%B6rn&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANobelium" class="Z3988"> </li> <li id="cite_note-Emsley2011-65">^ <a href="#cite_ref-Emsley2011_65-0">a</a> <a href="#cite_ref-Emsley2011_65-1">b</a> <a href="#cite_ref-Emsley2011_65-2">c</a> <a href="#cite_ref-Emsley2011_65-3">d</a> <a href="#cite_ref-Emsley2011_65-4">e</a> <a href="#cite_ref-Emsley2011_65-5">f</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFEmsley2011" class="citation book cs1">Emsley, John (2011). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=4BAg769RfKoC&pg=PA368">Nature's Building Blocks: An A-Z Guide to the Elements</a>. 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Chinese Physics C. 41 (3): 030001. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2017ChPhC..41c0001A">2017ChPhC..41c0001A</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1088%2F1674-1137%2F41%2F3%2F030001">10.1088/1674-1137/41/3/030001</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Chinese+Physics+C&rft.atitle=The+NUBASE2016+evaluation+of+nuclear+properties&rft.volume=41&rft.issue=3&rft.pages=030001&rft.date=2017&rft_id=info%3Adoi%2F10.1088%2F1674-1137%2F41%2F3%2F030001&rft_id=info%3Abibcode%2F2017ChPhC..41c0001A&rft.aulast=Audi&rft.aufirst=G.&rft.au=Kondev%2C+F.+G.&rft.au=Wang%2C+M.&rft.au=Huang%2C+W.+J.&rft.au=Naimi%2C+S.&rft_id=http%3A%2F%2Fcms.iopscience.org%2Fac0c0614-0d60-11e7-9a47-19ee90157113%2F030001.pdf%3Fguest%3Dtrue&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANobelium" class="Z3988"></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBeiser2003" class="citation book cs1">Beiser, A. (2003). Concepts of modern physics (6th ed.). McGraw-Hill. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-07-244848-1" title="Special:BookSources/978-0-07-244848-1"><bdi>978-0-07-244848-1</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/48965418">48965418</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Concepts+of+modern+physics&rft.edition=6th&rft.pub=McGraw-Hill&rft.date=2003&rft_id=info%3Aoclcnum%2F48965418&rft.isbn=978-0-07-244848-1&rft.aulast=Beiser&rft.aufirst=A.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANobelium" class="Z3988"></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHoffmanGhiorsoSeaborg2000" class="citation book cs1"><a href="/wiki/Darleane_C._Hoffman" title="Darleane C. Hoffman">Hoffman, D. C.</a>; <a href="/wiki/Albert_Ghiorso" title="Albert Ghiorso">Ghiorso, A.</a>; Seaborg, G. T. (2000). The Transuranium People: The Inside Story. <a href="/wiki/World_Scientific" title="World Scientific">World Scientific</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-78-326244-1" title="Special:BookSources/978-1-78-326244-1"><bdi>978-1-78-326244-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Transuranium+People%3A+The+Inside+Story&rft.pub=World+Scientific&rft.date=2000&rft.isbn=978-1-78-326244-1&rft.aulast=Hoffman&rft.aufirst=D.+C.&rft.au=Ghiorso%2C+A.&rft.au=Seaborg%2C+G.+T.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANobelium" class="Z3988"></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKragh2018" class="citation book cs1"><a href="/wiki/Helge_Kragh" title="Helge Kragh">Kragh, H.</a> (2018). From Transuranic to Superheavy Elements: A Story of Dispute and Creation. <a href="/wiki/Springer_Science%2BBusiness_Media" title="Springer Science+Business Media">Springer</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3-319-75813-8" title="Special:BookSources/978-3-319-75813-8"><bdi>978-3-319-75813-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=From+Transuranic+to+Superheavy+Elements%3A+A+Story+of+Dispute+and+Creation&rft.pub=Springer&rft.date=2018&rft.isbn=978-3-319-75813-8&rft.aulast=Kragh&rft.aufirst=H.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANobelium" class="Z3988"></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSilva2011" class="citation book cs1">Silva, Robert J. (2011). "Chapter 13. Fermium, Mendelevium, Nobelium, and Lawrencium". In Morss, Lester R.; Edelstein, Norman M.; Fuger, Jean (eds.). <a rel="nofollow" class="external text" href="https://archive.org/details/chemistryactinid00mors">The Chemistry of the Actinide and Transactinide Elements</a>. Netherlands: Springer. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/chemistryactinid00mors/page/n1639">1621</a>–1651. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2F978-94-007-0211-0_13">10.1007/978-94-007-0211-0_13</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-94-007-0210-3" title="Special:BookSources/978-94-007-0210-3"><bdi>978-94-007-0210-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Chapter+13.+Fermium%2C+Mendelevium%2C+Nobelium%2C+and+Lawrencium&rft.btitle=The+Chemistry+of+the+Actinide+and+Transactinide+Elements&rft.place=Netherlands&rft.pages=1621-1651&rft.pub=Springer&rft.date=2011&rft_id=info%3Adoi%2F10.1007%2F978-94-007-0211-0_13&rft.isbn=978-94-007-0210-3&rft.aulast=Silva&rft.aufirst=Robert+J.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fchemistryactinid00mors&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANobelium" class="Z3988"></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFZagrebaevKarpovGreiner2013" class="citation journal cs1">Zagrebaev, V.; Karpov, A.; Greiner, W. (2013). "Future of superheavy element research: Which nuclei could be synthesized within the next few years?". <a href="/wiki/Journal_of_Physics:_Conference_Series" title="Journal of Physics: Conference Series">Journal of Physics: Conference Series</a>. 420 (1): 012001. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/1207.5700">1207.5700</a>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2013JPhCS.420a2001Z">2013JPhCS.420a2001Z</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1088%2F1742-6596%2F420%2F1%2F012001">10.1088/1742-6596/420/1/012001</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/1742-6588">1742-6588</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:55434734">55434734</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Physics%3A+Conference+Series&rft.atitle=Future+of+superheavy+element+research%3A+Which+nuclei+could+be+synthesized+within+the+next+few+years%3F&rft.volume=420&rft.issue=1&rft.pages=012001&rft.date=2013&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A55434734%23id-name%3DS2CID&rft_id=info%3Abibcode%2F2013JPhCS.420a2001Z&rft_id=info%3Aarxiv%2F1207.5700&rft.issn=1742-6588&rft_id=info%3Adoi%2F10.1088%2F1742-6596%2F420%2F1%2F012001&rft.aulast=Zagrebaev&rft.aufirst=V.&rft.au=Karpov%2C+A.&rft.au=Greiner%2C+W.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANobelium" class="Z3988"></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2>[<a href="/w/index.php?title=Nobelium&action=edit&section=12" title="Edit section: External links">edit</a>]</div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 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href="/wiki/Group_3_element" title="Group 3 element">3</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Group_4_element" title="Group 4 element">4</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Group_5_element" title="Group 5 element">5</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Group_6_element" title="Group 6 element">6</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Group_7_element" title="Group 7 element">7</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Group_8_element" title="Group 8 element">8</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Group_9_element" title="Group 9 element">9</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Group_10_element" title="Group 10 element">10</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Group_11_element" title="Group 11 element">11</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Group_12_element" title="Group 12 element">12</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Boron_group" title="Boron group">13</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Carbon_group" title="Carbon group">14</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Pnictogen" title="Pnictogen">15</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Chalcogen" title="Chalcogen">16</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Halogen" title="Halogen">17</a> </th> <th scope="col" style="font-weight:normal;"><a href="/wiki/Noble_gas" title="Noble gas">18</a> </th></tr> <tr> <th scope="row" style="font-weight:normal;"><a href="/wiki/Period_1_element" title="Period 1 element">1</a> </th> <td title="H, Hydrogen" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Hydrogen" title="Hydrogen">H</a> </td> <td colspan="30"> </td> <td title="He, Helium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Helium" title="Helium">He</a> </td></tr> <tr> <th scope="row" style="font-weight:normal;"><a href="/wiki/Period_2_element" title="Period 2 element">2</a> </th> <td title="Li, Lithium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Lithium" title="Lithium">Li</a> </td> <td title="Be, Beryllium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Beryllium" title="Beryllium">Be</a> </td> <td colspan="24"> </td> <td title="B, Boron" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Boron" title="Boron">B</a> </td> <td title="C, Carbon" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Carbon" title="Carbon">C</a> </td> <td title="N, Nitrogen" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Nitrogen" title="Nitrogen">N</a> </td> <td title="O, Oxygen" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Oxygen" title="Oxygen">O</a> </td> <td title="F, Fluorine" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Fluorine" title="Fluorine">F</a> </td> <td title="Ne, Neon" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Neon" title="Neon">Ne</a> </td></tr> <tr> <th scope="row" style="font-weight:normal;"><a href="/wiki/Period_3_element" title="Period 3 element">3</a> </th> <td title="Na, Sodium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Sodium" title="Sodium">Na</a> </td> <td title="Mg, Magnesium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Magnesium" title="Magnesium">Mg</a> </td> <td colspan="24"> </td> <td title="Al, Aluminium" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Aluminium" title="Aluminium">Al</a> </td> <td title="Si, Silicon" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Silicon" title="Silicon">Si</a> </td> <td title="P, Phosphorus" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Phosphorus" title="Phosphorus">P</a> </td> <td title="S, Sulfur" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Sulfur" title="Sulfur">S</a> </td> <td title="Cl, Chlorine" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Chlorine" title="Chlorine">Cl</a> </td> <td title="Ar, Argon" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Argon" title="Argon">Ar</a> </td></tr> <tr> <th scope="row" style="font-weight:normal;"><a href="/wiki/Period_4_element" title="Period 4 element">4</a> </th> <td title="K, Potassium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Potassium" title="Potassium">K</a> </td> <td title="Ca, Calcium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Calcium" title="Calcium">Ca</a> </td> <td colspan="14"> </td> <td title="Sc, Scandium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Scandium" title="Scandium">Sc</a> </td> <td title="Ti, Titanium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Titanium" title="Titanium">Ti</a> </td> <td title="V, Vanadium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Vanadium" title="Vanadium">V</a> </td> <td title="Cr, Chromium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Chromium" title="Chromium">Cr</a> </td> <td title="Mn, Manganese" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Manganese" title="Manganese">Mn</a> </td> <td title="Fe, Iron" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Iron" title="Iron">Fe</a> </td> <td title="Co, Cobalt" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Cobalt" title="Cobalt">Co</a> </td> <td title="Ni, Nickel" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Nickel" title="Nickel">Ni</a> </td> <td title="Cu, Copper" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Copper" title="Copper">Cu</a> </td> <td title="Zn, Zinc" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Zinc" title="Zinc">Zn</a> </td> <td title="Ga, Gallium" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Gallium" title="Gallium">Ga</a> </td> <td title="Ge, Germanium" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Germanium" title="Germanium">Ge</a> </td> <td title="As, Arsenic" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Arsenic" title="Arsenic">As</a> </td> <td title="Se, Selenium" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Selenium" title="Selenium">Se</a> </td> <td title="Br, Bromine" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Bromine" title="Bromine">Br</a> </td> <td title="Kr, Krypton" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Krypton" title="Krypton">Kr</a> </td></tr> <tr> <th scope="row" style="font-weight:normal;"><a href="/wiki/Period_5_element" title="Period 5 element">5</a> </th> <td title="Rb, Rubidium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Rubidium" title="Rubidium">Rb</a> </td> <td title="Sr, Strontium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Strontium" title="Strontium">Sr</a> </td> <td colspan="14"> </td> <td title="Y, Yttrium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Yttrium" title="Yttrium">Y</a> </td> <td title="Zr, Zirconium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Zirconium" title="Zirconium">Zr</a> </td> <td title="Nb, Niobium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Niobium" title="Niobium">Nb</a> </td> <td title="Mo, Molybdenum" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Molybdenum" title="Molybdenum">Mo</a> </td> <td title="Tc, Technetium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Technetium" title="Technetium">Tc</a> </td> <td title="Ru, Ruthenium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Ruthenium" title="Ruthenium">Ru</a> </td> <td title="Rh, Rhodium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Rhodium" title="Rhodium">Rh</a> </td> <td title="Pd, Palladium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Palladium" title="Palladium">Pd</a> </td> <td title="Ag, Silver" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Silver" title="Silver">Ag</a> </td> <td title="Cd, Cadmium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Cadmium" title="Cadmium">Cd</a> </td> <td title="In, Indium" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Indium" title="Indium">In</a> </td> <td title="Sn, Tin" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Tin" title="Tin">Sn</a> </td> <td title="Sb, Antimony" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Antimony" title="Antimony">Sb</a> </td> <td title="Te, Tellurium" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Tellurium" title="Tellurium">Te</a> </td> <td title="I, Iodine" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Iodine" title="Iodine">I</a> </td> <td title="Xe, Xenon" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Xenon" title="Xenon">Xe</a> </td></tr> <tr> <th scope="row" style="font-weight:normal;"><a href="/wiki/Period_6_element" title="Period 6 element">6</a> </th> <td title="Cs, Caesium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Caesium" title="Caesium">Cs</a> </td> <td title="Ba, Barium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Barium" title="Barium">Ba</a> </td> <td title="La, Lanthanum" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Lanthanum" title="Lanthanum">La</a> </td> <td title="Ce, Cerium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Cerium" title="Cerium">Ce</a> </td> <td title="Pr, Praseodymium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Praseodymium" title="Praseodymium">Pr</a> </td> <td title="Nd, Neodymium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Neodymium" title="Neodymium">Nd</a> </td> <td title="Pm, Promethium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Promethium" title="Promethium">Pm</a> </td> <td title="Sm, Samarium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Samarium" title="Samarium">Sm</a> </td> <td title="Eu, Europium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Europium" title="Europium">Eu</a> </td> <td title="Gd, Gadolinium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Gadolinium" title="Gadolinium">Gd</a> </td> <td title="Tb, Terbium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Terbium" title="Terbium">Tb</a> </td> <td title="Dy, Dysprosium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Dysprosium" title="Dysprosium">Dy</a> </td> <td title="Ho, Holmium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Holmium" title="Holmium">Ho</a> </td> <td title="Er, Erbium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Erbium" title="Erbium">Er</a> </td> <td title="Tm, Thulium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Thulium" title="Thulium">Tm</a> </td> <td title="Yb, Ytterbium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Ytterbium" title="Ytterbium">Yb</a> </td> <td title="Lu, Lutetium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Lutetium" title="Lutetium">Lu</a> </td> <td title="Hf, Hafnium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Hafnium" title="Hafnium">Hf</a> </td> <td title="Ta, Tantalum" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Tantalum" title="Tantalum">Ta</a> </td> <td title="W, Tungsten" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Tungsten" title="Tungsten">W</a> </td> <td title="Re, Rhenium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Rhenium" title="Rhenium">Re</a> </td> <td title="Os, Osmium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Osmium" title="Osmium">Os</a> </td> <td title="Ir, Iridium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Iridium" title="Iridium">Ir</a> </td> <td title="Pt, Platinum" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Platinum" title="Platinum">Pt</a> </td> <td title="Au, Gold" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Gold" title="Gold">Au</a> </td> <td title="Hg, Mercury" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Mercury_(element)" title="Mercury (element)">Hg</a> </td> <td title="Tl, Thallium" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Thallium" title="Thallium">Tl</a> </td> <td title="Pb, Lead" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Lead" title="Lead">Pb</a> </td> <td title="Bi, Bismuth" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Bismuth" title="Bismuth">Bi</a> </td> <td title="Po, Polonium" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Polonium" title="Polonium">Po</a> </td> <td title="At, Astatine" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Astatine" title="Astatine">At</a> </td> <td title="Rn, Radon" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Radon" title="Radon">Rn</a> </td></tr> <tr> <th scope="row" style="font-weight:normal;"><a href="/wiki/Period_7_element" title="Period 7 element">7</a> </th> <td title="Fr, Francium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Francium" title="Francium">Fr</a> </td> <td title="Ra, Radium" style="text-align:center; background-color:#ff9999; color:inherit; border:none; ;"><a href="/wiki/Radium" title="Radium">Ra</a> </td> <td title="Ac, Actinium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Actinium" title="Actinium">Ac</a> </td> <td title="Th, Thorium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Thorium" title="Thorium">Th</a> </td> <td title="Pa, Protactinium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Protactinium" title="Protactinium">Pa</a> </td> <td title="U, Uranium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Uranium" title="Uranium">U</a> </td> <td title="Np, Neptunium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Neptunium" title="Neptunium">Np</a> </td> <td title="Pu, Plutonium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Plutonium" title="Plutonium">Pu</a> </td> <td title="Am, Americium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Americium" title="Americium">Am</a> </td> <td title="Cm, Curium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Curium" title="Curium">Cm</a> </td> <td title="Bk, Berkelium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Berkelium" title="Berkelium">Bk</a> </td> <td title="Cf, Californium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Californium" title="Californium">Cf</a> </td> <td title="Es, Einsteinium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Einsteinium" title="Einsteinium">Es</a> </td> <td title="Fm, Fermium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Fermium" title="Fermium">Fm</a> </td> <td title="Md, Mendelevium" style="text-align:center; background-color:#9bff99; color:inherit; border:none; ;"><a href="/wiki/Mendelevium" title="Mendelevium">Md</a> </td> <td title="No, Nobelium" style="text-align:center; background-color:#9bff99; color:inherit; border:3px solid black; ;"><a class="mw-selflink selflink">No</a> </td> <td title="Lr, Lawrencium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Lawrencium" title="Lawrencium">Lr</a> </td> <td title="Rf, Rutherfordium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Rutherfordium" title="Rutherfordium">Rf</a> </td> <td title="Db, Dubnium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Dubnium" title="Dubnium">Db</a> </td> <td title="Sg, Seaborgium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Seaborgium" title="Seaborgium">Sg</a> </td> <td title="Bh, Bohrium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Bohrium" title="Bohrium">Bh</a> </td> <td title="Hs, Hassium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Hassium" title="Hassium">Hs</a> </td> <td title="Mt, Meitnerium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Meitnerium" title="Meitnerium">Mt</a> </td> <td title="Ds, Darmstadtium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Darmstadtium" title="Darmstadtium">Ds</a> </td> <td title="Rg, Roentgenium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Roentgenium" title="Roentgenium">Rg</a> </td> <td title="Cn, Copernicium" style="text-align:center; background-color:#99ccff; color:inherit; border:none; ;"><a href="/wiki/Copernicium" title="Copernicium">Cn</a> </td> <td title="Nh, Nihonium" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Nihonium" title="Nihonium">Nh</a> </td> <td title="Fl, Flerovium" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Flerovium" title="Flerovium">Fl</a> </td> <td title="Mc, Moscovium" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Moscovium" title="Moscovium">Mc</a> </td> <td title="Lv, Livermorium" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Livermorium" title="Livermorium">Lv</a> </td> <td title="Ts, Tennessine" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Tennessine" title="Tennessine">Ts</a> </td> <td title="Og, Oganesson" style="text-align:center; background-color:#fdff8c; color:inherit; border:none; ;"><a href="/wiki/Oganesson" title="Oganesson">Og</a> 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