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Bohrium - Wikipedia

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<span>History</span> </div> </a> <button aria-controls="toc-History-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle History subsection</span> </button> <ul id="toc-History-sublist" class="vector-toc-list"> <li id="toc-Discovery" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Discovery"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Discovery</span> </div> </a> <ul id="toc-Discovery-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Proposed_names" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Proposed_names"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Proposed names</span> </div> </a> <ul id="toc-Proposed_names-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Isotopes" class="vector-toc-list-item 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<div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Chemical</span> </div> </a> <ul id="toc-Chemical-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Physical_and_atomic" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Physical_and_atomic"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Physical and atomic</span> </div> </a> <ul id="toc-Physical_and_atomic-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Experimental_chemistry" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Experimental_chemistry"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Experimental chemistry</span> </div> </a> <ul id="toc-Experimental_chemistry-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"> <span class="vector-toc-numb">6</span> <span>Notes</span> </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"> <span class="vector-toc-numb">7</span> <span>References</span> </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"> <span class="vector-toc-numb">8</span> <span>Bibliography</span> </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"> <span class="vector-toc-numb">9</span> <span>External links</span> </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" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Bohrium</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 130 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-130" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">130 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Bohrium" title="Bohrium – Afrikaans" lang="af" hreflang="af" data-title="Bohrium" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%89%A6%E1%88%85%E1%88%AA%E1%8B%A8%E1%88%9D" title="ቦህሪየም – Amharic" lang="am" hreflang="am" data-title="ቦህሪየም" data-language-autonym="አማርኛ" data-language-local-name="Amharic" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%AC%E0%A5%8B%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बोरियम – Angika" lang="anp" hreflang="anp" data-title="बोरियम" data-language-autonym="अंगिका" data-language-local-name="Angika" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A8%D9%88%D8%B1%D9%8A%D9%88%D9%85" title="بوريوم – Arabic" lang="ar" hreflang="ar" data-title="بوريوم" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Bohrio" title="Bohrio – Aragonese" lang="an" hreflang="an" data-title="Bohrio" data-language-autonym="Aragonés" data-language-local-name="Aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-roa-rup mw-list-item"><a href="https://roa-rup.wikipedia.org/wiki/Bohriu" title="Bohriu – Aromanian" lang="rup" hreflang="rup" data-title="Bohriu" data-language-autonym="Armãneashti" data-language-local-name="Aromanian" class="interlanguage-link-target"><span>Armãneashti</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Bohriu" title="Bohriu – Asturian" lang="ast" hreflang="ast" data-title="Bohriu" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Borium" title="Borium – Azerbaijani" lang="az" hreflang="az" data-title="Borium" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Bohrium" title="Bohrium – Balinese" lang="ban" hreflang="ban" data-title="Bohrium" data-language-autonym="Basa Bali" data-language-local-name="Balinese" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AC%E0%A7%8B%E0%A6%B9%E0%A6%B0%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%AE" title="বোহরিয়াম – Bangla" lang="bn" hreflang="bn" data-title="বোহরিয়াম" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Bohrium" title="Bohrium – Minnan" lang="nan" hreflang="nan" data-title="Bohrium" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8%D0%B9" title="Борий – Bashkir" lang="ba" hreflang="ba" data-title="Борий" data-language-autonym="Башҡортса" data-language-local-name="Bashkir" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D1%8B%D0%B9" title="Борый – Belarusian" lang="be" hreflang="be" data-title="Борый" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D1%8B%D1%8E%D0%BC" title="Борыюм – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Борыюм" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%AC%E0%A5%8B%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE_(%E0%A4%A4%E0%A4%A4%E0%A5%8D%E0%A4%B5)" title="बोरियम (तत्व) – Bhojpuri" lang="bh" hreflang="bh" data-title="बोरियम (तत्व)" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Boryo" title="Boryo – Central Bikol" lang="bcl" hreflang="bcl" data-title="Boryo" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8%D0%B9" title="Борий – Bulgarian" lang="bg" hreflang="bg" data-title="Борий" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%96%E0%BD%BC%E0%BD%A7%E0%BC%8B%E0%BD%A2%E0%BD%B2%E0%BD%98%E0%BC%8D" title="བོཧ་རིམ། – Tibetan" lang="bo" hreflang="bo" data-title="བོཧ་རིམ།" data-language-autonym="བོད་ཡིག" data-language-local-name="Tibetan" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Borij" title="Borij – Bosnian" lang="bs" hreflang="bs" data-title="Borij" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Bohriom" title="Bohriom – Breton" lang="br" hreflang="br" data-title="Bohriom" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Bohri" title="Bohri – Catalan" lang="ca" hreflang="ca" data-title="Bohri" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8%D0%B9" title="Борий – Chuvash" lang="cv" hreflang="cv" data-title="Борий" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Bohryo" title="Bohryo – Cebuano" lang="ceb" hreflang="ceb" data-title="Bohryo" data-language-autonym="Cebuano" data-language-local-name="Cebuano" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Bohrium" title="Bohrium – Czech" lang="cs" hreflang="cs" data-title="Bohrium" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Bohriu" title="Bohriu – Corsican" lang="co" hreflang="co" data-title="Bohriu" data-language-autonym="Corsu" data-language-local-name="Corsican" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Bohriwm" title="Bohriwm – Welsh" lang="cy" hreflang="cy" data-title="Bohriwm" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Bohrium" title="Bohrium – Danish" lang="da" hreflang="da" data-title="Bohrium" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%A8%D9%88%D8%B1%D9%8A%D9%88%D9%85" title="بوريوم – Moroccan Arabic" lang="ary" hreflang="ary" data-title="بوريوم" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Bohrium" title="Bohrium – German" lang="de" hreflang="de" data-title="Bohrium" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Bohrium" title="Bohrium – Estonian" lang="et" hreflang="et" data-title="Bohrium" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9C%CF%80%CF%8C%CF%81%CE%B9%CE%BF" title="Μπόριο – Greek" lang="el" hreflang="el" data-title="Μπόριο" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Bohrio" title="Bohrio – Spanish" lang="es" hreflang="es" data-title="Bohrio" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Boriumo" title="Boriumo – Esperanto" lang="eo" hreflang="eo" data-title="Boriumo" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Bohrio" title="Bohrio – Basque" lang="eu" hreflang="eu" data-title="Bohrio" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A8%D9%88%D9%87%D8%B1%DB%8C%D9%85" title="بوهریم – Persian" lang="fa" hreflang="fa" data-title="بوهریم" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Bohrium" title="Bohrium – Fiji Hindi" lang="hif" hreflang="hif" data-title="Bohrium" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Bohrium" title="Bohrium – French" lang="fr" hreflang="fr" data-title="Bohrium" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Bohri" title="Bohri – Friulian" lang="fur" hreflang="fur" data-title="Bohri" data-language-autonym="Furlan" data-language-local-name="Friulian" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/B%C3%B3iriam" title="Bóiriam – Irish" lang="ga" hreflang="ga" data-title="Bóiriam" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Bohrium" title="Bohrium – Manx" lang="gv" hreflang="gv" data-title="Bohrium" data-language-autonym="Gaelg" data-language-local-name="Manx" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Bohrium" title="Bohrium – Scottish Gaelic" lang="gd" hreflang="gd" data-title="Bohrium" data-language-autonym="Gàidhlig" data-language-local-name="Scottish Gaelic" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Bohrio" title="Bohrio – Galician" lang="gl" hreflang="gl" data-title="Bohrio" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%AC%E0%AB%8B%E0%AA%B9%E0%AB%8D%E0%AA%B0%E0%AB%80%E0%AA%AF%E0%AA%AE" title="બોહ્રીયમ – Gujarati" lang="gu" hreflang="gu" data-title="બોહ્રીયમ" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Bohrium" title="Bohrium – Hakka Chinese" lang="hak" hreflang="hak" data-title="Bohrium" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="Hakka Chinese" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D1%83%D0%BC" title="Борум – Kalmyk" lang="xal" hreflang="xal" data-title="Борум" data-language-autonym="Хальмг" data-language-local-name="Kalmyk" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B3%B4%EB%A5%A8" title="보륨 – Korean" lang="ko" hreflang="ko" data-title="보륨" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B2%D5%B8%D6%80%D5%AB%D5%B8%D6%82%D5%B4" title="Բորիում – Armenian" lang="hy" hreflang="hy" data-title="Բորիում" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AC%E0%A5%8B%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बोरियम – Hindi" lang="hi" hreflang="hi" data-title="बोरियम" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Borij" title="Borij – Croatian" lang="hr" hreflang="hr" data-title="Borij" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Boriumo" title="Boriumo – Ido" lang="io" hreflang="io" data-title="Boriumo" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Bohrium" title="Bohrium – Indonesian" lang="id" hreflang="id" data-title="Bohrium" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Bohrium" title="Bohrium – Interlingua" lang="ia" hreflang="ia" data-title="Bohrium" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/IBhohombi" title="IBhohombi – Zulu" lang="zu" hreflang="zu" data-title="IBhohombi" data-language-autonym="IsiZulu" data-language-local-name="Zulu" class="interlanguage-link-target"><span>IsiZulu</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Bohrio" title="Bohrio – Italian" lang="it" hreflang="it" data-title="Bohrio" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%91%D7%95%D7%94%D7%A8%D7%99%D7%95%D7%9D" title="בוהריום – Hebrew" lang="he" hreflang="he" data-title="בוהריום" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Bohrium" title="Bohrium – Javanese" lang="jv" hreflang="jv" data-title="Bohrium" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/B%C9%94r%C9%A9y%C9%94m" title="Bɔrɩyɔm – Kabiye" lang="kbp" hreflang="kbp" data-title="Bɔrɩyɔm" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AC%E0%B3%8A%E0%B2%B9%E0%B3%8D%E0%B2%B0%E0%B2%BF%E0%B2%AF%E0%B2%AE%E0%B3%8D" title="ಬೊಹ್ರಿಯಮ್ – Kannada" lang="kn" hreflang="kn" data-title="ಬೊಹ್ರಿಯಮ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%91%E1%83%9D%E1%83%A0%E1%83%98%E1%83%A3%E1%83%9B%E1%83%98" title="ბორიუმი – Georgian" lang="ka" hreflang="ka" data-title="ბორიუმი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8%D0%B9" title="Борий – Kazakh" lang="kk" hreflang="kk" data-title="Борий" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Bohriom" title="Bohriom – Cornish" lang="kw" hreflang="kw" data-title="Bohriom" data-language-autonym="Kernowek" data-language-local-name="Cornish" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Bohri" title="Bohri – Swahili" lang="sw" hreflang="sw" data-title="Bohri" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8%D0%B9" title="Борий – Komi" lang="kv" hreflang="kv" data-title="Борий" data-language-autonym="Коми" data-language-local-name="Komi" class="interlanguage-link-target"><span>Коми</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/B%C3%B2ry%C3%B2m" title="Bòryòm – Haitian Creole" lang="ht" hreflang="ht" data-title="Bòryòm" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haitian Creole" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Bohriy%C3%BBm" title="Bohriyûm – Kurdish" lang="ku" hreflang="ku" data-title="Bohriyûm" data-language-autonym="Kurdî" data-language-local-name="Kurdish" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8%D0%B9" title="Борий – Kyrgyz" lang="ky" hreflang="ky" data-title="Борий" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-mrj mw-list-item"><a href="https://mrj.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8%D0%B9" title="Борий – Western Mari" lang="mrj" hreflang="mrj" data-title="Борий" data-language-autonym="Кырык мары" data-language-local-name="Western Mari" class="interlanguage-link-target"><span>Кырык мары</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Bohrium" title="Bohrium – Latin" lang="la" hreflang="la" data-title="Bohrium" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Borijs" title="Borijs – Latvian" lang="lv" hreflang="lv" data-title="Borijs" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Bohrium" title="Bohrium – Luxembourgish" lang="lb" hreflang="lb" data-title="Bohrium" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Boris" title="Boris – Lithuanian" lang="lt" hreflang="lt" data-title="Boris" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/Bohrio" title="Bohrio – Ligurian" lang="lij" hreflang="lij" data-title="Bohrio" data-language-autonym="Ligure" data-language-local-name="Ligurian" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Bohrium" title="Bohrium – Limburgish" lang="li" hreflang="li" data-title="Bohrium" data-language-autonym="Limburgs" data-language-local-name="Limburgish" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/jinmrbori" title="jinmrbori – Lojban" lang="jbo" hreflang="jbo" data-title="jinmrbori" data-language-autonym="La .lojban." data-language-local-name="Lojban" class="interlanguage-link-target"><span>La .lojban.</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Bohrium" title="Bohrium – Hungarian" lang="hu" hreflang="hu" data-title="Bohrium" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8%D1%83%D0%BC" title="Бориум – Macedonian" lang="mk" hreflang="mk" data-title="Бориум" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%AC%E0%B5%8B%E0%B4%B1%E0%B4%BF%E0%B4%AF%E0%B4%82" title="ബോറിയം – Malayalam" lang="ml" hreflang="ml" data-title="ബോറിയം" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%AC%E0%A5%8B%E0%A4%B9%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बोहरियम – Marathi" lang="mr" hreflang="mr" data-title="बोहरियम" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%A8%D9%88%D8%B1%D9%8A%D9%88%D9%85" title="بوريوم – Egyptian Arabic" lang="arz" hreflang="arz" data-title="بوريوم" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Bohrium" title="Bohrium – Malay" lang="ms" hreflang="ms" data-title="Bohrium" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/Bohrium" title="Bohrium – Mindong" lang="cdo" hreflang="cdo" data-title="Bohrium" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8" title="Бори – Mongolian" lang="mn" hreflang="mn" data-title="Бори" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%98%E1%80%AD%E1%80%AF%E1%80%9F%E1%80%BA%E1%80%9B%E1%80%AE%E1%80%9A%E1%80%99%E1%80%BA" title="ဘိုဟ်ရီယမ် – Burmese" lang="my" hreflang="my" data-title="ဘိုဟ်ရီယမ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Bohrium" title="Bohrium – Dutch" lang="nl" hreflang="nl" data-title="Bohrium" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%AC%E0%A5%8B%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बोरियम – Newari" lang="new" hreflang="new" data-title="बोरियम" data-language-autonym="नेपाल भाषा" data-language-local-name="Newari" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%9C%E3%83%BC%E3%83%AA%E3%82%A6%E3%83%A0" title="ボーリウム – Japanese" lang="ja" hreflang="ja" data-title="ボーリウム" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Bohrium" title="Bohrium – Northern Frisian" lang="frr" hreflang="frr" data-title="Bohrium" data-language-autonym="Nordfriisk" data-language-local-name="Northern Frisian" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Bohrium" title="Bohrium – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Bohrium" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Bohrium" title="Bohrium – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Bohrium" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Boriy_(unsur)" title="Boriy (unsur) – Uzbek" lang="uz" hreflang="uz" data-title="Boriy (unsur)" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pi mw-list-item"><a href="https://pi.wikipedia.org/wiki/%E0%A4%AC%E0%A5%8B%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बोरियम – Pali" lang="pi" hreflang="pi" data-title="बोरियम" data-language-autonym="पालि" data-language-local-name="Pali" class="interlanguage-link-target"><span>पालि</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A8%D9%88%DB%81%D8%B1%DB%8C%D9%85" title="بوہریم – Western Punjabi" lang="pnb" hreflang="pnb" data-title="بوہریم" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%A8%D9%88%D9%87%D8%B1%D9%8A%D9%88%D9%85" title="بوهريوم – Pashto" lang="ps" hreflang="ps" data-title="بوهريوم" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Bohr_(pierwiastek)" title="Bohr (pierwiastek) – Polish" lang="pl" hreflang="pl" data-title="Bohr (pierwiastek)" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/B%C3%B3hrio" title="Bóhrio – Portuguese" lang="pt" hreflang="pt" data-title="Bóhrio" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Bohriu" title="Bohriu – Romanian" lang="ro" hreflang="ro" data-title="Bohriu" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Puwriyu" title="Puwriyu – Quechua" lang="qu" hreflang="qu" data-title="Puwriyu" data-language-autonym="Runa Simi" data-language-local-name="Quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8%D0%B9" title="Борий – Russian" lang="ru" hreflang="ru" data-title="Борий" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%AC%E0%A5%8B%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बोरियम – Sanskrit" lang="sa" hreflang="sa" data-title="बोरियम" data-language-autonym="संस्कृतम्" data-language-local-name="Sanskrit" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/B%C3%B2hriu" title="Bòhriu – Sardinian" lang="sc" hreflang="sc" data-title="Bòhriu" data-language-autonym="Sardu" data-language-local-name="Sardinian" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Bohrium" title="Bohrium – Saterland Frisian" lang="stq" hreflang="stq" data-title="Bohrium" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Bohriumi" title="Bohriumi – Albanian" lang="sq" hreflang="sq" data-title="Bohriumi" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Bohriu" title="Bohriu – Sicilian" lang="scn" hreflang="scn" data-title="Bohriu" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Bohrium" title="Bohrium – Simple English" lang="en-simple" hreflang="en-simple" data-title="Bohrium" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Bohrium" title="Bohrium – Slovak" lang="sk" hreflang="sk" data-title="Bohrium" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Borij" title="Borij – Slovenian" lang="sl" hreflang="sl" data-title="Borij" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Bohriyaam" title="Bohriyaam – Somali" lang="so" hreflang="so" data-title="Bohriyaam" data-language-autonym="Soomaaliga" data-language-local-name="Somali" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%A8%DB%86%D8%B1%DB%8C%DB%86%D9%85" title="بۆریۆم – Central Kurdish" lang="ckb" hreflang="ckb" data-title="بۆریۆم" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8%D1%98%D1%83%D0%BC" title="Боријум – Serbian" lang="sr" hreflang="sr" data-title="Боријум" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Borijum" title="Borijum – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Borijum" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Bohrium" title="Bohrium – Finnish" lang="fi" hreflang="fi" data-title="Bohrium" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Bohrium" title="Bohrium – Swedish" lang="sv" hreflang="sv" data-title="Bohrium" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Boryo" title="Boryo – Tagalog" lang="tl" hreflang="tl" data-title="Boryo" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%8B%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D" title="போரியம் – Tamil" lang="ta" hreflang="ta" data-title="போரியம்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8%D0%B9" title="Борий – Tatar" lang="tt" hreflang="tt" data-title="Борий" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AC%E0%B1%8B%E0%B0%B0%E0%B0%BF%E0%B0%AF%E0%B0%82" title="బోరియం – Telugu" lang="te" hreflang="te" data-title="బోరియం" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%82%E0%B8%9A%E0%B8%AB%E0%B9%8C%E0%B9%80%E0%B8%A3%E0%B8%B5%E0%B8%A2%E0%B8%A1" title="โบห์เรียม – Thai" lang="th" hreflang="th" data-title="โบห์เรียม" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D0%B8%D0%B9" title="Борий – Tajik" lang="tg" hreflang="tg" data-title="Борий" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Bohriyum" title="Bohriyum – Turkish" lang="tr" hreflang="tr" data-title="Bohriyum" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%91%D0%BE%D1%80%D1%96%D0%B9" title="Борій – Ukrainian" lang="uk" hreflang="uk" data-title="Борій" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A8%D9%88%D8%B1%D8%A6%DB%8C%D9%85" title="بورئیم – Urdu" lang="ur" hreflang="ur" data-title="بورئیم" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D8%A8%D9%88%DA%BE%D8%B1%D9%89%D9%8A" title="بوھرىي – Uyghur" lang="ug" hreflang="ug" data-title="بوھرىي" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="Uyghur" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Borii" title="Borii – Veps" lang="vep" hreflang="vep" data-title="Borii" data-language-autonym="Vepsän kel’" data-language-local-name="Veps" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Bohri" title="Bohri – Vietnamese" lang="vi" hreflang="vi" data-title="Bohri" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%F0%A8%A8%8F" title="𨨏 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="𨨏" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Bohryo" title="Bohryo – Waray" lang="war" hreflang="war" data-title="Bohryo" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%F0%AC%AD%9B" title="𬭛 – Wu" lang="wuu" hreflang="wuu" data-title="𬭛" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/Bohriomu" title="Bohriomu – Yoruba" lang="yo" hreflang="yo" data-title="Bohriomu" data-language-autonym="Yorùbá" data-language-local-name="Yoruba" 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Click here for more information." src="//upload.wikimedia.org/wikipedia/en/thumb/9/94/Symbol_support_vote.svg/19px-Symbol_support_vote.svg.png" decoding="async" width="19" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/94/Symbol_support_vote.svg/29px-Symbol_support_vote.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/94/Symbol_support_vote.svg/39px-Symbol_support_vote.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span></div></div> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote 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">Not to be confused with <a href="/wiki/Borium" class="mw-redirect" title="Borium">Borium</a>, <a href="/wiki/Barium" title="Barium">barium</a>, or <a href="/wiki/Boron" title="Boron">boron</a>.</div> <p class="mw-empty-elt"> </p> <div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical element with atomic number 107 (Bh)</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"><span class="nowrap">Bohrium,&#160;<sub>107</sub>Bh</span></caption><tbody><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#99ccff">Bohrium</th></tr><tr><th scope="row" class="infobox-label">Pronunciation</th><td class="infobox-data"><span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="/ˈ/: primary stress follows">ˈ</span><span title="&#39;b&#39; in &#39;buy&#39;">b</span><span title="/ɔːr/: &#39;ar&#39; in &#39;war&#39;">ɔːr</span><span title="/i/: &#39;y&#39; in &#39;happy&#39;">i</span><span title="/ə/: &#39;a&#39; in &#39;about&#39;">ə</span><span title="&#39;m&#39; in &#39;my&#39;">m</span></span>/</a></span>&#32;<span class="noprint"><span class="ext-phonos"><span data-nosnippet="" id="ooui-php-1" class="ext-phonos-PhonosButton noexcerpt 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="{&quot;_&quot;:&quot;mw.Phonos.PhonosButton&quot;,&quot;href&quot;:&quot;\/\/upload.wikimedia.org\/wikipedia\/commons\/transcoded\/4\/40\/Bohrium2009.ogg\/Bohrium2009.ogg.mp3&quot;,&quot;rel&quot;:[&quot;nofollow&quot;],&quot;framed&quot;:false,&quot;icon&quot;:&quot;volumeUp&quot;,&quot;data&quot;:{&quot;ipa&quot;:&quot;&quot;,&quot;text&quot;:&quot;&quot;,&quot;lang&quot;:&quot;en&quot;,&quot;wikibase&quot;:&quot;&quot;,&quot;file&quot;:&quot;Bohrium2009.ogg&quot;},&quot;classes&quot;:[&quot;ext-phonos-PhonosButton&quot;,&quot;noexcerpt&quot;,&quot;ext-phonos-PhonosButton-emptylabel&quot;]}"><a role="button" tabindex="0" href="//upload.wikimedia.org/wikipedia/commons/transcoded/4/40/Bohrium2009.ogg/Bohrium2009.ogg.mp3" rel="nofollow" aria-label="Play audio" title="Play audio" class="oo-ui-buttonElement-button"><span class="oo-ui-iconElement-icon oo-ui-icon-volumeUp"></span><span class="oo-ui-labelElement-label"></span><span class="oo-ui-indicatorElement-indicator oo-ui-indicatorElement-noIndicator"></span></a></span><sup class="ext-phonos-attribution noexcerpt navigation-not-searchable"><a href="/wiki/File:Bohrium2009.ogg" title="File:Bohrium2009.ogg">ⓘ</a></sup></span></span></span>&#x20;<wbr />&#8203;<span class="nowrap">(<a href="/wiki/Help:Pronunciation_respelling_key" title="Help:Pronunciation respelling key"><i title="English pronunciation respelling"><span style="font-size:90%">BOR</span>-ee-əm</i></a>)</span></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">[270] (data not decisive)<sup id="cite_ref-most_stable_isotope_3-0" class="reference"><a href="#cite_note-most_stable_isotope-3"><span class="cite-bracket">&#91;</span>a<span class="cite-bracket">&#93;</span></a></sup></td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#99ccff">Bohrium 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; background:#f8f8f8; color:black;"> <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"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Hydrogen</span></a> </td> <td colspan="30" style="border:none;padding:0;"> </td> <td style="border:none;padding:0;"><a href="/wiki/Helium" title="Helium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Helium</span></a> </td></tr> <tr> <td style="border:none;padding:0;"><a href="/wiki/Lithium" title="Lithium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Lithium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Beryllium" title="Beryllium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Beryllium</span></a> </td> <td colspan="24" style="border:none;padding:0;"> </td> <td style="border:none;padding:0;"><a href="/wiki/Boron" title="Boron"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Boron</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Carbon" title="Carbon"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Carbon</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Nitrogen" title="Nitrogen"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Nitrogen</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Oxygen" title="Oxygen"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Oxygen</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Fluorine" title="Fluorine"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Fluorine</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Neon" title="Neon"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Neon</span></a> </td></tr> <tr> <td style="border:none;padding:0;"><a href="/wiki/Sodium" title="Sodium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Sodium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Magnesium" title="Magnesium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Magnesium</span></a> </td> <td colspan="24" style="border:none;padding:0;"> </td> <td style="border:none;padding:0;"><a href="/wiki/Aluminium" title="Aluminium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Aluminium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Silicon" title="Silicon"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Silicon</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Phosphorus" title="Phosphorus"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Phosphorus</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Sulfur" title="Sulfur"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Sulfur</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Chlorine" title="Chlorine"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Chlorine</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Argon" title="Argon"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Argon</span></a> </td></tr> <tr> <td style="border:none;padding:0;"><a href="/wiki/Potassium" title="Potassium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Potassium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Calcium" title="Calcium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Calcium</span></a> </td> <td colspan="14" style="border:none;padding:0;"> </td> <td style="border:none;padding:0;"><a href="/wiki/Scandium" title="Scandium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Scandium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Titanium" title="Titanium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Titanium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Vanadium" title="Vanadium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Vanadium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Chromium" title="Chromium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Chromium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Manganese" title="Manganese"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Manganese</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Iron" title="Iron"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Iron</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Cobalt" title="Cobalt"><span 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<td style="border:none;padding:0;"><a href="/wiki/Germanium" title="Germanium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Germanium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Arsenic" title="Arsenic"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Arsenic</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Selenium" title="Selenium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Selenium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Bromine" title="Bromine"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Bromine</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Krypton" title="Krypton"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Krypton</span></a> </td></tr> <tr> <td style="border:none;padding:0;"><a href="/wiki/Rubidium" title="Rubidium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Rubidium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Strontium" title="Strontium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Strontium</span></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"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Yttrium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Zirconium" title="Zirconium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Zirconium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Niobium" title="Niobium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Niobium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Molybdenum" title="Molybdenum"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Molybdenum</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Technetium" title="Technetium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Technetium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Ruthenium" title="Ruthenium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Ruthenium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Rhodium" title="Rhodium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Rhodium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Palladium" title="Palladium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Palladium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Silver" title="Silver"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Silver</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Cadmium" title="Cadmium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Cadmium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Indium" title="Indium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Indium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tin" title="Tin"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Tin</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Antimony" title="Antimony"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Antimony</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tellurium" title="Tellurium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Tellurium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Iodine" title="Iodine"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Iodine</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Xenon" title="Xenon"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Xenon</span></a> </td></tr> <tr style="border:none;padding:0;"> <td style="border:none;padding:0;"><a href="/wiki/Caesium" title="Caesium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Caesium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Barium" title="Barium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Barium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Lanthanum" title="Lanthanum"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Lanthanum</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Cerium" title="Cerium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Cerium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Praseodymium" title="Praseodymium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Praseodymium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Neodymium" title="Neodymium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Neodymium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Promethium" title="Promethium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Promethium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Samarium" title="Samarium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Samarium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Europium" title="Europium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Europium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Gadolinium" title="Gadolinium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Gadolinium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Terbium" title="Terbium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Terbium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Dysprosium" title="Dysprosium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Dysprosium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Holmium" title="Holmium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Holmium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Erbium" title="Erbium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Erbium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Thulium" title="Thulium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Thulium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Ytterbium" title="Ytterbium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Ytterbium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Lutetium" title="Lutetium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Lutetium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Hafnium" title="Hafnium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Hafnium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tantalum" title="Tantalum"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Tantalum</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tungsten" title="Tungsten"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Tungsten</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Rhenium" title="Rhenium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Rhenium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Osmium" title="Osmium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Osmium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Iridium" title="Iridium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Iridium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Platinum" title="Platinum"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Platinum</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Gold" title="Gold"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Gold</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Mercury_(element)" title="Mercury (element)"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Mercury (element)</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Thallium" title="Thallium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Thallium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Lead" title="Lead"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Lead</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Bismuth" title="Bismuth"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Bismuth</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Polonium" title="Polonium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Polonium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Astatine" title="Astatine"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Astatine</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Radon" title="Radon"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Radon</span></a> </td></tr> <tr> <td style="border:none;padding:0;"><a href="/wiki/Francium" title="Francium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Francium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Radium" title="Radium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#ff9999;">Radium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Actinium" title="Actinium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Actinium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Thorium" title="Thorium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Thorium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Protactinium" title="Protactinium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Protactinium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Uranium" title="Uranium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Uranium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Neptunium" title="Neptunium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Neptunium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Plutonium" title="Plutonium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Plutonium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Americium" title="Americium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Americium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Curium" title="Curium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Curium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Berkelium" title="Berkelium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Berkelium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Californium" title="Californium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Californium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Einsteinium" title="Einsteinium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Einsteinium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Fermium" title="Fermium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Fermium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Mendelevium" title="Mendelevium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Mendelevium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Nobelium" title="Nobelium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#9bff99;">Nobelium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Lawrencium" title="Lawrencium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Lawrencium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Rutherfordium" title="Rutherfordium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Rutherfordium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Dubnium" title="Dubnium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Dubnium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Seaborgium" title="Seaborgium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Seaborgium</span></a> </td> <td style="border:none;padding:0;"><a class="mw-selflink selflink"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff; border:1px solid black; box-sizing: border-box;;">Bohrium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Hassium" title="Hassium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Hassium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Meitnerium" title="Meitnerium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Meitnerium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Darmstadtium" title="Darmstadtium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Darmstadtium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Roentgenium" title="Roentgenium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Roentgenium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Copernicium" title="Copernicium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#99ccff;">Copernicium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Nihonium" title="Nihonium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Nihonium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Flerovium" title="Flerovium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Flerovium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Moscovium" title="Moscovium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Moscovium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Livermorium" title="Livermorium"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Livermorium</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tennessine" title="Tennessine"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Tennessine</span></a> </td> <td style="border:none;padding:0;"><a href="/wiki/Oganesson" title="Oganesson"><span style="display:block;width:6px;height:8px;overflow:hidden;padding:0;color:transparent;background-color:#fdff8c;">Oganesson</span></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/Rhenium" title="Rhenium">Re</a><br />↑<br /><strong>Bh</strong><br />↓<br />— </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/Seaborgium" title="Seaborgium">seaborgium</a> ← <strong>bohrium</strong> → <a href="/wiki/Hassium" title="Hassium">hassium</a> </td></tr></tbody></table> </td></tr></tbody></table></td></tr><tr><th scope="row" class="infobox-label"><span class="nowrap"><a href="/wiki/Atomic_number" title="Atomic number">Atomic number</a> <span style="font-weight:normal;">(<i>Z</i>)</span></span></th><td class="infobox-data">107</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/Group_7_element" title="Group 7 element">group&#160;7</a></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&#160;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"><span title="color legend: d-block" style="display:inline-block; vertical-align:middle; width:6px; height:8px; border:1px solid black; background:#99ccff; color:black;">&#160;</span> <a href="/wiki/Block_(periodic_table)#d-block" title="Block (periodic table)">d-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">&#91;<a href="/wiki/Radon" title="Radon">Rn</a>&#93; 5f<sup>14</sup> 6d<sup>5</sup> 7s<sup>2</sup><sup id="cite_ref-ioniz_4-0" class="reference"><a href="#cite_note-ioniz-4"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Haire_5-0" class="reference"><a href="#cite_note-Haire-5"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup></td></tr><tr><th scope="row" class="infobox-label">Electrons per shell</th><td class="infobox-data">2, 8, 18, 32, 32, 13, 2</td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#99ccff">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><span class="nobold">at&#160;<span title="STP: standard temperature and pressure: 0&#160;°C and 101.325&#160;kPa"><a href="/wiki/Standard_temperature_and_pressure" title="Standard temperature and pressure">STP</a></span></span></th><td class="infobox-data">solid <i>(predicted)</i><sup id="cite_ref-hcp_6-0" class="reference"><a href="#cite_note-hcp-6"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Density" title="Density">Density</a>&#x20;<span style="font-weight:normal;">(near&#160;<a href="/wiki/Room_temperature" title="Room temperature">r.t.</a>)</span></th><td class="infobox-data">26–27&#160;g/cm<sup>3</sup>&#x20;<i>(predicted)</i><sup id="cite_ref-density_7-0" class="reference"><a href="#cite_note-density-7"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-kratz_8-0" class="reference"><a href="#cite_note-kratz-8"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup></td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#99ccff">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: (none)<br /> (+3), (+4), (+5), (+7)<sup id="cite_ref-Haire_5-1" class="reference"><a href="#cite_note-Haire-5"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup></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"><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"><ul><li>1st:&#160;740&#160;kJ/mol&#x20;</li><li>2nd:&#160;1690&#160;kJ/mol&#x20;</li><li>3rd:&#160;2570&#160;kJ/mol&#x20;</li><li>(<a href="/wiki/Molar_ionization_energies_of_the_elements#bohrium" title="Molar ionization energies of the elements">more</a>)&#x20;<i>(all but first estimated)</i><sup id="cite_ref-Haire_5-2" class="reference"><a href="#cite_note-Haire-5"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup></li></ul></div></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Atomic_radius" title="Atomic radius">Atomic radius</a></th><td class="infobox-data">empirical:&#x20;128&#160;<a href="/wiki/Picometre" title="Picometre">pm</a>&#x20;<i>(predicted)</i><sup id="cite_ref-Haire_5-3" class="reference"><a href="#cite_note-Haire-5"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Covalent_radius" title="Covalent radius">Covalent radius</a></th><td class="infobox-data">141&#160;pm&#x20;<i>(estimated)</i><sup id="cite_ref-rsc_9-0" class="reference"><a href="#cite_note-rsc-9"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup></td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#99ccff">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">&#x20;&#x200b;<a href="/wiki/Close-packing_of_equal_spheres" title="Close-packing of equal spheres">hexagonal&#160;close-packed</a> (hcp)<div style="float:right;"><span class="mw-default-size notpageimage" typeof="mw:File/Frameless"><a href="/wiki/File:Hexagonal_close_packed.svg" class="mw-file-description"><img alt="Hexagonal close-packed crystal structure for bohrium" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Hexagonal_close_packed.svg/50px-Hexagonal_close_packed.svg.png" decoding="async" width="50" height="49" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Hexagonal_close_packed.svg/75px-Hexagonal_close_packed.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Hexagonal_close_packed.svg/100px-Hexagonal_close_packed.svg.png 2x" data-file-width="311" data-file-height="307" /></a></span></div><br /><i>(predicted)</i><sup id="cite_ref-hcp_6-1" class="reference"><a href="#cite_note-hcp-6"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup></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">54037-14-8&#x20;</td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#99ccff">History</th></tr><tr><th scope="row" class="infobox-label">Naming</th><td class="infobox-data">after <a href="/wiki/Niels_Bohr" title="Niels Bohr">Niels Bohr</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/Gesellschaft_f%C3%BCr_Schwerionenforschung" class="mw-redirect" title="Gesellschaft für Schwerionenforschung">Gesellschaft für Schwerionenforschung</a><span class="nowrap">&#x20;(1981)</span></td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#99ccff"><a href="/wiki/Isotopes_of_bohrium" title="Isotopes of bohrium">Isotopes of bohrium</a><span style="float:right; padding-right: 0.2em;"><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 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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_bohrium_isotopes" title="Template:Infobox bohrium isotopes"><abbr title="View this template">v</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Infobox_bohrium_isotopes" title="Special:EditPage/Template:Infobox bohrium isotopes"><abbr title="Edit this template">e</abbr></a></li></ul></div></span></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<sup id="cite_ref-NUBASE2020_10-0" class="reference"><a href="#cite_note-NUBASE2020-10"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> </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">abun&#173;dance</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"><span class="nobold">(<i>t</i><sub>1/2</sub>)</span> </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">pro&#173;duct</a> </th></tr> <tr> <th rowspan="1" style="vertical-align: top;"><sup>267</sup>Bh </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: center;"><a href="/wiki/Synthetic_radioisotope" title="Synthetic radioisotope">synth</a> </td> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;"><span class="nowrap"><span data-sort-value="7001170000000000000♠"></span>17&#160;s</span> </td> <td style="text-align: left; vertical-align: top;"><span style="float: left; font-size: 115%; padding: 0;"><a href="/wiki/Alpha_decay" title="Alpha decay">α</a></span><span style="float: right; padding-left: 0.2em;"></span> </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Dubnium-263" class="mw-redirect" title="Dubnium-263"><sup>263</sup>Db</a> </td></tr> <tr> <th rowspan="1" style="vertical-align: top;"><sup>270</sup>Bh </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: center;">synth </td> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;"><span class="nowrap"><span data-sort-value="7002144000000000000♠"></span>2.4&#160;min</span> </td> <td style="text-align: left; vertical-align: top;"><span style="float: left; font-size: 115%; padding: 0;">α</span><span style="float: right; padding-left: 0.2em;"></span> </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Dubnium-266" class="mw-redirect" title="Dubnium-266"><sup>266</sup>Db</a> </td></tr> <tr> <th rowspan="1" style="vertical-align: top;"><sup>271</sup>Bh </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: center;">synth </td> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;"><span class="nowrap"><span data-sort-value="7000290000000000000♠"></span>2.9&#160;s</span><sup id="cite_ref-Bh271_11-0" class="reference"><a href="#cite_note-Bh271-11"><span class="cite-bracket">&#91;</span>10<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align: left; vertical-align: top;"><span style="float: left; font-size: 115%; padding: 0;">α</span><span style="float: right; padding-left: 0.2em;"></span> </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Dubnium-267" class="mw-redirect" title="Dubnium-267"><sup>267</sup>Db</a> </td></tr> <tr> <th rowspan="1" style="vertical-align: top;"><sup>272</sup>Bh </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: center;">synth </td> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;"><span class="nowrap"><span data-sort-value="7000880000000000000♠"></span>8.8&#160;s</span> </td> <td style="text-align: left; vertical-align: top;"><span style="float: left; font-size: 115%; padding: 0;">α</span><span style="float: right; padding-left: 0.2em;"></span> </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Dubnium-268" class="mw-redirect" title="Dubnium-268"><sup>268</sup>Db</a> </td></tr> <tr> <th rowspan="1" style="vertical-align: top;"><sup>274</sup>Bh </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: center;">synth </td> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;"><span class="nowrap"><span data-sort-value="7001400000000000000♠"></span>40&#160;s</span><sup id="cite_ref-274Bh_12-0" class="reference"><a href="#cite_note-274Bh-12"><span class="cite-bracket">&#91;</span>11<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align: left; vertical-align: top;"><span style="float: left; font-size: 115%; padding: 0;">α</span><span style="float: right; padding-left: 0.2em;"></span> </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Dubnium-270" class="mw-redirect" title="Dubnium-270"><sup>270</sup>Db</a> </td></tr> <tr> <th rowspan="1" style="vertical-align: top;"><sup>278</sup>Bh </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: center;">synth </td> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;"><span class="nowrap"><span data-sort-value="7001115000000000000♠"></span>11.5&#160;min?</span><sup id="cite_ref-Hofmann2016_2-1" class="reference"><a href="#cite_note-Hofmann2016-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align: left; vertical-align: top;"><span style="float: left; font-size: 115%; padding: 0;"><a href="/wiki/Spontaneous_fission" title="Spontaneous fission">SF</a></span><span style="float: right; padding-left: 0.2em;"></span> </td> <td style="text-align: right; vertical-align: middle;"><sup></sup>– </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:#99ccff"><span class="noviewer" typeof="mw:File"><span title="Category"><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" /></span></span>&#160;<a href="/wiki/Category:Bohrium" title="Category:Bohrium">Category: Bohrium</a><br /><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_bohrium" title="Template:Infobox bohrium"><span title="View this template">view</span></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Infobox_bohrium" title="Template talk:Infobox bohrium"><span title="Discuss this template">talk</span></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Infobox_bohrium" title="Special:EditPage/Template:Infobox bohrium"><span title="Edit this template">edit</span></a></li></ul></div>&#x20;|&#x20;<a href="/wiki/List_of_data_references_for_chemical_elements" title="List of data references for chemical elements">references</a></td></tr></tbody></table> <p><b>Bohrium</b> 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> <b>Bh</b> and <a href="/wiki/Atomic_number" title="Atomic number">atomic number</a> 107. It is named after Danish physicist <a href="/wiki/Niels_Bohr" title="Niels Bohr">Niels Bohr</a>. As a synthetic element, it can be created in <a href="/wiki/Particle_accelerator" title="Particle accelerator">particle accelerators</a> but is not found in nature. All known <a href="/wiki/Isotopes_of_bohrium" title="Isotopes of bohrium">isotopes of bohrium</a> are highly <a href="/wiki/Radioactive_decay" title="Radioactive decay">radioactive</a>; the most stable known <a href="/wiki/Isotope" title="Isotope">isotope</a> is <sup>270</sup>Bh with a <a href="/wiki/Half-life" title="Half-life">half-life</a> of approximately 2.4 minutes, though the unconfirmed <sup>278</sup>Bh may have a longer half-life of about 11.5 minutes. </p><p>In the <a href="/wiki/Periodic_table" title="Periodic table">periodic table</a>, it is a <a href="/wiki/Block_(periodic_table)#d-block" title="Block (periodic table)">d-block</a> <a href="/wiki/Superheavy_element" title="Superheavy element">transactinide element</a>. It is a member of the <a href="/wiki/Period_7_element" title="Period 7 element">7th period</a> and belongs to the <a href="/wiki/Group_7_element" title="Group 7 element">group 7 elements</a> as the fifth member of the 6d series of <a href="/wiki/Transition_metal" title="Transition metal">transition metals</a>. Chemistry experiments have confirmed that bohrium behaves as the heavier <a href="/wiki/Homologous_series" title="Homologous series">homologue</a> to <a href="/wiki/Rhenium" title="Rhenium">rhenium</a> in group 7. The <a href="/wiki/Chemical_property" title="Chemical property">chemical properties</a> of bohrium are characterized only partly, but they compare well with the chemistry of the other group 7 elements. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Introduction">Introduction</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bohrium&amp;action=edit&amp;section=1" title="Edit section: Introduction"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></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>.<span class="mw-editsection-like plainlinks"><span class="mw-editsection-bracket">[</span><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Superheavy_element&amp;action=edit">edit</a><span class="mw-editsection-bracket">]</span></span></div><div class="excerpt"> <div class="mw-heading mw-heading3"><h3 id="Synthesis_of_superheavy_nuclei">Synthesis of superheavy nuclei</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Module:Excerpt&amp;action=edit&amp;section=T-1" title="Edit section: Synthesis of superheavy nuclei"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></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> <p>A superheavy<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">&#91;</span>b<span class="cite-bracket">&#93;</span></a></sup> <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<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">&#91;</span>c<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-Superheavy_element_Bloomberg_20-0" class="reference"><a href="#cite_note-Superheavy_element_Bloomberg-20"><span class="cite-bracket">&#91;</span>17<span class="cite-bracket">&#93;</span></a></sup> 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&#39;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.<sup id="cite_ref-Superheavy_element_n+1_21-0" class="reference"><a href="#cite_note-Superheavy_element_n+1-21"><span class="cite-bracket">&#91;</span>18<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-Superheavy_element_n+1_21-1" class="reference"><a href="#cite_note-Superheavy_element_n+1-21"><span class="cite-bracket">&#91;</span>18<span class="cite-bracket">&#93;</span></a></sup> </p><p>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<sup>−20</sup>&#160;seconds and then part ways (not necessarily in the same composition as before the reaction) rather than form a single nucleus.<sup id="cite_ref-Superheavy_element_n+1_21-2" class="reference"><a href="#cite_note-Superheavy_element_n+1-21"><span class="cite-bracket">&#91;</span>18<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">&#91;</span>19<span class="cite-bracket">&#93;</span></a></sup> This happens because during the attempted formation of a single nucleus, electrostatic repulsion tears apart the nucleus that is being formed.<sup id="cite_ref-Superheavy_element_n+1_21-3" class="reference"><a href="#cite_note-Superheavy_element_n+1-21"><span class="cite-bracket">&#91;</span>18<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">&#91;</span>d<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-Superheavy_element_n+1_21-4" class="reference"><a href="#cite_note-Superheavy_element_n+1-21"><span class="cite-bracket">&#91;</span>18<span class="cite-bracket">&#93;</span></a></sup> </p> <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"><span typeof="mw:File"><span><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" /></span></span> <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><sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">&#91;</span>21<span class="cite-bracket">&#93;</span></a></sup></td></tr></tbody></table> <p>The resulting merger is an <a href="/wiki/Excited_state" title="Excited state">excited state</a><sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">&#91;</span>22<span class="cite-bracket">&#93;</span></a></sup>—termed a <a href="/wiki/Nuclear_reaction#Compound_nuclear_reactions" title="Nuclear reaction">compound nucleus</a>—and thus it is very unstable.<sup id="cite_ref-Superheavy_element_n+1_21-5" class="reference"><a href="#cite_note-Superheavy_element_n+1-21"><span class="cite-bracket">&#91;</span>18<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-Superheavy_element_CzechNuclear_27-0" class="reference"><a href="#cite_note-Superheavy_element_CzechNuclear-27"><span class="cite-bracket">&#91;</span>23<span class="cite-bracket">&#93;</span></a></sup> 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<sup>−16</sup>&#160;seconds after the initial nuclear collision and results in creation of a more stable nucleus.<sup id="cite_ref-Superheavy_element_CzechNuclear_27-1" class="reference"><a href="#cite_note-Superheavy_element_CzechNuclear-27"><span class="cite-bracket">&#91;</span>23<span class="cite-bracket">&#93;</span></a></sup> 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<sup>−14</sup> 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.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">&#91;</span>24<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">&#91;</span>e<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Decay_and_detection">Decay and detection</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Module:Excerpt&amp;action=edit&amp;section=T-2" title="Edit section: Decay and detection"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>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.<sup id="cite_ref-Superheavy_element_SHEhowvideo_31-0" class="reference"><a href="#cite_note-Superheavy_element_SHEhowvideo-31"><span class="cite-bracket">&#91;</span>26<span class="cite-bracket">&#93;</span></a></sup> In the separator, the newly produced nucleus is separated from other nuclides (that of the original beam and any other reaction products)<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">&#91;</span>f<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-Superheavy_element_SHEhowvideo_31-1" class="reference"><a href="#cite_note-Superheavy_element_SHEhowvideo-31"><span class="cite-bracket">&#91;</span>26<span class="cite-bracket">&#93;</span></a></sup> The transfer takes about 10<sup>−6</sup>&#160;seconds; in order to be detected, the nucleus must survive this long.<sup id="cite_ref-FOOTNOTEZagrebaevKarpovGreiner20133_35-0" class="reference"><a href="#cite_note-FOOTNOTEZagrebaevKarpovGreiner20133-35"><span class="cite-bracket">&#91;</span>29<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-Superheavy_element_SHEhowvideo_31-2" class="reference"><a href="#cite_note-Superheavy_element_SHEhowvideo-31"><span class="cite-bracket">&#91;</span>26<span class="cite-bracket">&#93;</span></a></sup> </p><p>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.<sup id="cite_ref-FOOTNOTEBeiser2003432_36-0" class="reference"><a href="#cite_note-FOOTNOTEBeiser2003432-36"><span class="cite-bracket">&#91;</span>30<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-Superheavy_element_BrusselsAlpha_37-0" class="reference"><a href="#cite_note-Superheavy_element_BrusselsAlpha-37"><span class="cite-bracket">&#91;</span>31<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Superheavy_element_BrusselsSF_38-0" class="reference"><a href="#cite_note-Superheavy_element_BrusselsSF-38"><span class="cite-bracket">&#91;</span>32<span class="cite-bracket">&#93;</span></a></sup> Superheavy nuclei are thus theoretically predicted<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">&#91;</span>33<span class="cite-bracket">&#93;</span></a></sup> and have so far been observed<sup id="cite_ref-FOOTNOTEAudi_et_al.2017030001-129–030001-138_40-0" class="reference"><a href="#cite_note-FOOTNOTEAudi_et_al.2017030001-129–030001-138-40"><span class="cite-bracket">&#91;</span>34<span class="cite-bracket">&#93;</span></a></sup> 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>.<sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">&#91;</span>g<span class="cite-bracket">&#93;</span></a></sup> Almost all alpha emitters have over 210&#160;nucleons,<sup id="cite_ref-FOOTNOTEBeiser2003433_43-0" class="reference"><a href="#cite_note-FOOTNOTEBeiser2003433-43"><span class="cite-bracket">&#91;</span>36<span class="cite-bracket">&#93;</span></a></sup> and the lightest nuclide primarily undergoing spontaneous fission has 238.<sup id="cite_ref-FOOTNOTEAudi_et_al.2017030001-125_44-0" class="reference"><a href="#cite_note-FOOTNOTEAudi_et_al.2017030001-125-44"><span class="cite-bracket">&#91;</span>37<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-Superheavy_element_BrusselsAlpha_37-1" class="reference"><a href="#cite_note-Superheavy_element_BrusselsAlpha-37"><span class="cite-bracket">&#91;</span>31<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Superheavy_element_BrusselsSF_38-1" class="reference"><a href="#cite_note-Superheavy_element_BrusselsSF-38"><span class="cite-bracket">&#91;</span>32<span class="cite-bracket">&#93;</span></a></sup> </p> <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.<sup id="cite_ref-Superheavy_element_Aksenov_45-0" class="reference"><a href="#cite_note-Superheavy_element_Aksenov-45"><span class="cite-bracket">&#91;</span>38<span class="cite-bracket">&#93;</span></a></sup></figcaption></figure> <p>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.<sup id="cite_ref-FOOTNOTEBeiser2003432–433_46-0" class="reference"><a href="#cite_note-FOOTNOTEBeiser2003432–433-46"><span class="cite-bracket">&#91;</span>39<span class="cite-bracket">&#93;</span></a></sup> Spontaneous fission is caused by electrostatic repulsion tearing the nucleus apart and produces various nuclei in different instances of identical nuclei fissioning.<sup id="cite_ref-Superheavy_element_BrusselsSF_38-2" class="reference"><a href="#cite_note-Superheavy_element_BrusselsSF-38"><span class="cite-bracket">&#91;</span>32<span class="cite-bracket">&#93;</span></a></sup> As the atomic number increases, spontaneous fission rapidly becomes more important: spontaneous fission partial half-lives decrease by 23&#160;orders of magnitude from <a href="/wiki/Uranium" title="Uranium">uranium</a> (element&#160;92) to <a href="/wiki/Nobelium" title="Nobelium">nobelium</a> (element&#160;102),<sup id="cite_ref-Superheavy_element_Oganessian12_47-0" class="reference"><a href="#cite_note-Superheavy_element_Oganessian12-47"><span class="cite-bracket">&#91;</span>40<span class="cite-bracket">&#93;</span></a></sup> and by 30&#160;orders of magnitude from <a href="/wiki/Thorium" title="Thorium">thorium</a> (element&#160;90) to <a href="/wiki/Fermium" title="Fermium">fermium</a> (element&#160;100).<sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">&#91;</span>41<span class="cite-bracket">&#93;</span></a></sup> 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&#160;nucleons.<sup id="cite_ref-Superheavy_element_BrusselsSF_38-3" class="reference"><a href="#cite_note-Superheavy_element_BrusselsSF-38"><span class="cite-bracket">&#91;</span>32<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Superheavy_element_Oganessian04_49-0" class="reference"><a href="#cite_note-Superheavy_element_Oganessian04-49"><span class="cite-bracket">&#91;</span>42<span class="cite-bracket">&#93;</span></a></sup> The later <a href="/wiki/Nuclear_shell_model" title="Nuclear shell model">nuclear shell model</a> suggested that nuclei with about 300&#160;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.<sup id="cite_ref-Superheavy_element_BrusselsSF_38-4" class="reference"><a href="#cite_note-Superheavy_element_BrusselsSF-38"><span class="cite-bracket">&#91;</span>32<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Superheavy_element_Oganessian04_49-1" class="reference"><a href="#cite_note-Superheavy_element_Oganessian04-49"><span class="cite-bracket">&#91;</span>42<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-50" class="reference"><a href="#cite_note-50"><span class="cite-bracket">&#91;</span>43<span class="cite-bracket">&#93;</span></a></sup> Experiments on lighter superheavy nuclei,<sup id="cite_ref-51" class="reference"><a href="#cite_note-51"><span class="cite-bracket">&#91;</span>44<span class="cite-bracket">&#93;</span></a></sup> as well as those closer to the expected island,<sup id="cite_ref-Superheavy_element_Oganessian12_47-1" class="reference"><a href="#cite_note-Superheavy_element_Oganessian12-47"><span class="cite-bracket">&#91;</span>40<span class="cite-bracket">&#93;</span></a></sup> have shown greater than previously anticipated stability against spontaneous fission, showing the importance of shell effects on nuclei.<sup id="cite_ref-52" class="reference"><a href="#cite_note-52"><span class="cite-bracket">&#91;</span>h<span class="cite-bracket">&#93;</span></a></sup> </p><p>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.<sup id="cite_ref-56" class="reference"><a href="#cite_note-56"><span class="cite-bracket">&#91;</span>i<span class="cite-bracket">&#93;</span></a></sup> (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.)<sup id="cite_ref-Superheavy_element_SHEhowvideo_31-3" class="reference"><a href="#cite_note-Superheavy_element_SHEhowvideo-31"><span class="cite-bracket">&#91;</span>26<span class="cite-bracket">&#93;</span></a></sup> 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).<sup id="cite_ref-57" class="reference"><a href="#cite_note-57"><span class="cite-bracket">&#91;</span>j<span class="cite-bracket">&#93;</span></a></sup> Spontaneous fission, however, produces various nuclei as products, so the original nuclide cannot be determined from its daughters.<sup id="cite_ref-60" class="reference"><a href="#cite_note-60"><span class="cite-bracket">&#91;</span>k<span class="cite-bracket">&#93;</span></a></sup> </p> 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.<sup id="cite_ref-66" class="reference"><a href="#cite_note-66"><span class="cite-bracket">&#91;</span>l<span class="cite-bracket">&#93;</span></a></sup></div></div> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bohrium&amp;action=edit&amp;section=2" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Niels_Bohr.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Niels_Bohr.jpg/170px-Niels_Bohr.jpg" decoding="async" width="170" height="239" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Niels_Bohr.jpg/255px-Niels_Bohr.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Niels_Bohr.jpg/340px-Niels_Bohr.jpg 2x" data-file-width="1456" data-file-height="2048" /></a><figcaption>Element 107 was originally proposed to be named after <a href="/wiki/Niels_Bohr" title="Niels Bohr">Niels Bohr</a>, a Danish nuclear physicist, with the name <i>nielsbohrium</i> (Ns). This name was later changed by <a href="/wiki/IUPAC" class="mw-redirect" title="IUPAC">IUPAC</a> to <i>bohrium</i> (Bh).</figcaption></figure> <div class="mw-heading mw-heading3"><h3 id="Discovery">Discovery</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bohrium&amp;action=edit&amp;section=3" title="Edit section: Discovery"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Two groups claimed <a href="/wiki/Timeline_of_chemical_element_discoveries" class="mw-redirect" title="Timeline of chemical element discoveries">discovery of the element</a>. Evidence of bohrium was first reported in 1976 by a Soviet research team led by <a href="/wiki/Yuri_Oganessian" title="Yuri Oganessian">Yuri Oganessian</a>, in which targets of <a href="/wiki/Bismuth-209" title="Bismuth-209">bismuth-209</a> and <a href="/wiki/Lead" title="Lead">lead</a>-208 were bombarded with accelerated nuclei of <a href="/wiki/Chromium" title="Chromium">chromium</a>-54 and <a href="/wiki/Manganese" title="Manganese">manganese</a>-55 respectively.<sup id="cite_ref-67" class="reference"><a href="#cite_note-67"><span class="cite-bracket">&#91;</span>55<span class="cite-bracket">&#93;</span></a></sup> Two activities, one with a half-life of one to two milliseconds, and the other with an approximately five-second half-life, were seen. Since the ratio of the intensities of these two activities was constant throughout the experiment, it was proposed that the first was from the <a href="/wiki/Isotope" title="Isotope">isotope</a> bohrium-261 and that the second was from its daughter <a href="/wiki/Dubnium" title="Dubnium">dubnium</a>-257. Later, the dubnium isotope was corrected to dubnium-258, which indeed has a five-second half-life (dubnium-257 has a one-second half-life); however, the half-life observed for its parent is much shorter than the half-lives later observed in the definitive discovery of bohrium at <a href="/wiki/Darmstadt" title="Darmstadt">Darmstadt</a> in 1981. The <a href="/wiki/International_Union_of_Pure_and_Applied_Chemistry" title="International Union of Pure and Applied Chemistry">IUPAC</a>/IUPAP Transfermium Working Group (TWG) concluded that while dubnium-258 was probably seen in this experiment, the evidence for the production of its parent bohrium-262 was not convincing enough.<sup id="cite_ref-93TWG_68-0" class="reference"><a href="#cite_note-93TWG-68"><span class="cite-bracket">&#91;</span>56<span class="cite-bracket">&#93;</span></a></sup> </p><p>In 1981, a German research team led by <a href="/wiki/Peter_Armbruster" title="Peter Armbruster">Peter Armbruster</a> and <a href="/wiki/Gottfried_M%C3%BCnzenberg" title="Gottfried Münzenberg">Gottfried Münzenberg</a> at the <a href="/wiki/GSI_Helmholtz_Centre_for_Heavy_Ion_Research" title="GSI Helmholtz Centre for Heavy Ion Research">GSI Helmholtz Centre for Heavy Ion Research</a> (GSI Helmholtzzentrum für Schwerionenforschung) in Darmstadt bombarded a target of bismuth-209 with accelerated nuclei of chromium-54 to produce 5 atoms of the isotope bohrium-262:<sup id="cite_ref-262Bh_69-0" class="reference"><a href="#cite_note-262Bh-69"><span class="cite-bracket">&#91;</span>57<span class="cite-bracket">&#93;</span></a></sup> </p> <dl><dd><span style="white-space:nowrap;"><a href="/wiki/Bismuth-209" title="Bismuth-209"><span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.0em;font-size:80%;text-align:right"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">209</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">83</sub></span></span>Bi<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;line-height:1.0em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sub></span></span></a></span> + <span style="white-space:nowrap;"><a href="/wiki/Chromium-54" class="mw-redirect" title="Chromium-54"><span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.0em;font-size:80%;text-align:right"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">54</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">24</sub></span></span>Cr<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;line-height:1.0em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sub></span></span></a></span> → <span style="white-space:nowrap;"><a href="/wiki/Bohrium-262" class="mw-redirect" title="Bohrium-262"><span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.0em;font-size:80%;text-align:right"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">262</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">107</sub></span></span>Bh<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;line-height:1.0em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sub></span></span></a></span> + <span style="white-space:nowrap;"><a href="/wiki/Neutron" title="Neutron"><span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;line-height:1.0em;font-size:80%;text-align:right"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sub></span></span>n<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;line-height:1.0em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sub></span></span></a></span></dd></dl> <p>This discovery was further substantiated by their detailed measurements of the alpha decay chain of the produced bohrium atoms to previously known isotopes of <a href="/wiki/Fermium" title="Fermium">fermium</a> and <a href="/wiki/Californium" title="Californium">californium</a>. The <a href="/wiki/International_Union_of_Pure_and_Applied_Chemistry" title="International Union of Pure and Applied Chemistry">IUPAC</a>/IUPAP Transfermium Working Group (TWG) recognised the GSI collaboration as official discoverers in their 1992 report.<sup id="cite_ref-93TWG_68-1" class="reference"><a href="#cite_note-93TWG-68"><span class="cite-bracket">&#91;</span>56<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Proposed_names">Proposed names</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bohrium&amp;action=edit&amp;section=4" title="Edit section: Proposed names"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In September 1992, the German group suggested the name <i>nielsbohrium</i> with symbol <i>Ns</i> to honor the Danish physicist <a href="/wiki/Niels_Bohr" title="Niels Bohr">Niels Bohr</a>. The Soviet scientists at the <a href="/wiki/Joint_Institute_for_Nuclear_Research" title="Joint Institute for Nuclear Research">Joint Institute for Nuclear Research</a> in <a href="/wiki/Dubna" title="Dubna">Dubna</a>, Russia had suggested this name be given to element 105 (which was finally called dubnium) and the German team wished to recognise both Bohr and the fact that the Dubna team had been the first to propose the cold fusion reaction, and simultaneously help to solve the controversial problem of the naming of element 105. The Dubna team agreed with the German group's naming proposal for element 107.<sup id="cite_ref-70" class="reference"><a href="#cite_note-70"><span class="cite-bracket">&#91;</span>58<span class="cite-bracket">&#93;</span></a></sup> </p><p>There was an <a href="/wiki/Element_naming_controversy" class="mw-redirect" title="Element naming controversy">element naming controversy</a> as to what the elements from 104 to 106 were to be called; the <a href="/wiki/IUPAC" class="mw-redirect" title="IUPAC">IUPAC</a> adopted <i>unnilseptium</i> (symbol <i>Uns</i>) as a temporary, <a href="/wiki/Systematic_element_name" title="Systematic element name">systematic element name</a> for this element.<sup id="cite_ref-IUPAC97_71-0" class="reference"><a href="#cite_note-IUPAC97-71"><span class="cite-bracket">&#91;</span>59<span class="cite-bracket">&#93;</span></a></sup> In 1994 a committee of IUPAC recommended that element 107 be named <i>bohrium</i>, not <i>nielsbohrium</i>, since there was no precedent for using a scientist's complete name in the naming of an element.<sup id="cite_ref-IUPAC97_71-1" class="reference"><a href="#cite_note-IUPAC97-71"><span class="cite-bracket">&#91;</span>59<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-IUPAC94_72-0" class="reference"><a href="#cite_note-IUPAC94-72"><span class="cite-bracket">&#91;</span>60<span class="cite-bracket">&#93;</span></a></sup> This was opposed by the discoverers as there was some concern that the name might be confused with <a href="/wiki/Boron" title="Boron">boron</a> and in particular the distinguishing of the names of their respective <a href="/wiki/Oxyanion" title="Oxyanion">oxyanions</a>, <i>bohrate</i> and <i>borate</i>. The matter was handed to the Danish branch of IUPAC which, despite this, voted in favour of the name <i>bohrium</i>, and thus the name <i>bohrium</i> for element 107 was recognized internationally in 1997;<sup id="cite_ref-IUPAC97_71-2" class="reference"><a href="#cite_note-IUPAC97-71"><span class="cite-bracket">&#91;</span>59<span class="cite-bracket">&#93;</span></a></sup> the names of the respective oxyanions of boron and bohrium remain unchanged despite their homophony.<sup id="cite_ref-73" class="reference"><a href="#cite_note-73"><span class="cite-bracket">&#91;</span>61<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Isotopes">Isotopes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bohrium&amp;action=edit&amp;section=5" title="Edit section: Isotopes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></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_bohrium" title="Isotopes of bohrium">Isotopes of bohrium</a></div> <div style="clear:both;" class=""></div> <table class="wikitable sortable floatright" style="text-align:right;max-width:100%; font-size: 85%"> <caption>List of bohrium isotopes <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 navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Isotopes_summary" title="Template:Isotopes summary"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Isotopes_summary" title="Template talk:Isotopes summary"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Isotopes_summary" title="Special:EditPage/Template:Isotopes summary"><abbr title="Edit this template">e</abbr></a></li></ul></div> </caption> <tbody><tr> <th rowspan="2">Isotope </th> <th colspan="2">Half-life<sup id="cite_ref-74" class="reference"><a href="#cite_note-74"><span class="cite-bracket">&#91;</span>m<span class="cite-bracket">&#93;</span></a></sup> </th> <th rowspan="2">Decay<br />mode </th> <th rowspan="2">Discovery<br />year </th> <th rowspan="2">Discovery<br />reaction </th></tr> <tr> <th>Value </th> <th class="unsortable">ref </th></tr> <tr> <th style="text-align:left"><sup>260</sup>Bh </th> <td><span data-sort-value="41&#160;!">41 ms</span></td> <td><sup id="cite_ref-NUBASE2020_10-1" class="reference"><a href="#cite_note-NUBASE2020-10"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">α </td> <td style="text-align:center">2007 </td> <td style="text-align:left"><sup>209</sup>Bi(<sup>52</sup>Cr,n)<sup id="cite_ref-260Bh_75-0" class="reference"><a href="#cite_note-260Bh-75"><span class="cite-bracket">&#91;</span>62<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="text-align:left"><sup>261</sup>Bh </th> <td><span data-sort-value="12&#160;!">12.8 ms</span></td> <td><sup id="cite_ref-NUBASE2020_10-2" class="reference"><a href="#cite_note-NUBASE2020-10"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">α </td> <td style="text-align:center">1986 </td> <td style="text-align:left"><sup>209</sup>Bi(<sup>54</sup>Cr,2n)<sup id="cite_ref-261Bh_76-0" class="reference"><a href="#cite_note-261Bh-76"><span class="cite-bracket">&#91;</span>63<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="text-align:left"><sup>262</sup>Bh </th> <td><span data-sort-value="84&#160;!">84 ms</span></td> <td><sup id="cite_ref-NUBASE2020_10-3" class="reference"><a href="#cite_note-NUBASE2020-10"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">α </td> <td style="text-align:center">1981 </td> <td style="text-align:left"><sup>209</sup>Bi(<sup>54</sup>Cr,n)<sup id="cite_ref-262Bh_69-1" class="reference"><a href="#cite_note-262Bh-69"><span class="cite-bracket">&#91;</span>57<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="text-align:left"><sup>262m</sup>Bh </th> <td><span data-sort-value="9&#160;!">9.5 ms</span></td> <td><sup id="cite_ref-NUBASE2020_10-4" class="reference"><a href="#cite_note-NUBASE2020-10"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">α </td> <td style="text-align:center">1981 </td> <td style="text-align:left"><sup>209</sup>Bi(<sup>54</sup>Cr,n)<sup id="cite_ref-262Bh_69-2" class="reference"><a href="#cite_note-262Bh-69"><span class="cite-bracket">&#91;</span>57<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="text-align:left"><sup>264</sup>Bh </th> <td><span data-sort-value="1070&#160;!">1.07 s</span></td> <td><sup id="cite_ref-NUBASE2020_10-5" class="reference"><a href="#cite_note-NUBASE2020-10"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">α </td> <td style="text-align:center">1994 </td> <td style="text-align:left"><sup>272</sup>Rg(—,2α)<sup id="cite_ref-264Bh_77-0" class="reference"><a href="#cite_note-264Bh-77"><span class="cite-bracket">&#91;</span>64<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="text-align:left"><sup>265</sup>Bh </th> <td><span data-sort-value="1190&#160;!">1.19 s</span></td> <td><sup id="cite_ref-NUBASE2020_10-6" class="reference"><a href="#cite_note-NUBASE2020-10"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">α </td> <td style="text-align:center">2004 </td> <td style="text-align:left"><sup>243</sup>Am(<sup>26</sup>Mg,4n)<sup id="cite_ref-265Bh_78-0" class="reference"><a href="#cite_note-265Bh-78"><span class="cite-bracket">&#91;</span>65<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="text-align:left"><sup>266</sup>Bh </th> <td><span data-sort-value="10600&#160;!">10.6 s</span></td> <td><sup id="cite_ref-NUBASE2020_10-7" class="reference"><a href="#cite_note-NUBASE2020-10"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">α </td> <td style="text-align:center">2000 </td> <td style="text-align:left"><sup>249</sup>Bk(<sup>22</sup>Ne,5n)<sup id="cite_ref-266Bh_79-0" class="reference"><a href="#cite_note-266Bh-79"><span class="cite-bracket">&#91;</span>66<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="text-align:left"><sup>267</sup>Bh </th> <td><span data-sort-value="22000&#160;!">22 s</span></td> <td><sup id="cite_ref-NUBASE2020_10-8" class="reference"><a href="#cite_note-NUBASE2020-10"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">α </td> <td style="text-align:center">2000 </td> <td style="text-align:left"><sup>249</sup>Bk(<sup>22</sup>Ne,4n)<sup id="cite_ref-266Bh_79-1" class="reference"><a href="#cite_note-266Bh-79"><span class="cite-bracket">&#91;</span>66<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="text-align:left"><sup>270</sup>Bh </th> <td><span data-sort-value="144000&#160;!">2.4 min</span></td> <td><sup id="cite_ref-Mc2022_1-1" class="reference"><a href="#cite_note-Mc2022-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">α </td> <td style="text-align:center">2006 </td> <td style="text-align:left"><sup>282</sup>Nh(—,3α)<sup id="cite_ref-270Bh_80-0" class="reference"><a href="#cite_note-270Bh-80"><span class="cite-bracket">&#91;</span>67<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="text-align:left"><sup>271</sup>Bh </th> <td><span data-sort-value="2900&#160;!">2.9 s</span></td> <td><sup id="cite_ref-Mc2022_1-2" class="reference"><a href="#cite_note-Mc2022-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">α </td> <td style="text-align:center">2003 </td> <td style="text-align:left"><sup>287</sup>Mc(—,4α)<sup id="cite_ref-270Bh_80-1" class="reference"><a href="#cite_note-270Bh-80"><span class="cite-bracket">&#91;</span>67<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="text-align:left"><sup>272</sup>Bh </th> <td><span data-sort-value="8800&#160;!">8.8 s</span></td> <td><sup id="cite_ref-Mc2022_1-3" class="reference"><a href="#cite_note-Mc2022-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">α </td> <td style="text-align:center">2005 </td> <td style="text-align:left"><sup>288</sup>Mc(—,4α)<sup id="cite_ref-270Bh_80-2" class="reference"><a href="#cite_note-270Bh-80"><span class="cite-bracket">&#91;</span>67<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="text-align:left"><sup>274</sup>Bh </th> <td><span data-sort-value="57000&#160;!">57 s</span></td> <td><sup id="cite_ref-NUBASE2020_10-9" class="reference"><a href="#cite_note-NUBASE2020-10"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">α </td> <td style="text-align:center">2009 </td> <td style="text-align:left"><sup>294</sup>Ts(—,5α)<sup id="cite_ref-274Bh_12-1" class="reference"><a href="#cite_note-274Bh-12"><span class="cite-bracket">&#91;</span>11<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="text-align:left"><sup>278</sup>Bh </th> <td><span data-sort-value="690000&#160;!">11.5 min?</span></td> <td><sup id="cite_ref-Hofmann2016_2-2" class="reference"><a href="#cite_note-Hofmann2016-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> </td> <td style="text-align:left">SF </td> <td style="text-align:center">1998? </td> <td style="text-align:left"><sup>290</sup>Fl(e<sup>−</sup>,ν<sub>e</sub>3α)? </td></tr></tbody></table> <p>Bohrium has no stable or naturally occurring isotopes. Several radioactive isotopes have been synthesized in the laboratory, either by fusing two atoms or by observing the decay of heavier elements. Twelve different isotopes of bohrium have been reported with atomic masses 260–262, 264–267, 270–272, 274, and 278, one of which, bohrium-262, has a known <a href="/wiki/Metastable_state" class="mw-redirect" title="Metastable state">metastable state</a>. All of these but the unconfirmed <sup>278</sup>Bh decay only through alpha decay, although some unknown bohrium isotopes are predicted to undergo spontaneous fission.<sup id="cite_ref-nuclidetable_81-0" class="reference"><a href="#cite_note-nuclidetable-81"><span class="cite-bracket">&#91;</span>68<span class="cite-bracket">&#93;</span></a></sup> </p><p>The lighter isotopes usually have shorter half-lives; half-lives of under 100&#160;ms for <sup>260</sup>Bh, <sup>261</sup>Bh, <sup>262</sup>Bh, and <sup>262m</sup>Bh were observed. <sup>264</sup>Bh, <sup>265</sup>Bh, <sup>266</sup>Bh, and <sup>271</sup>Bh are more stable at around 1&#160;s, and <sup>267</sup>Bh and <sup>272</sup>Bh have half-lives of about 10&#160;s. The heaviest isotopes are the most stable, with <sup>270</sup>Bh and <sup>274</sup>Bh having measured half-lives of about 2.4&#160;min and 40&#160;s respectively, and the even heavier unconfirmed isotope <sup>278</sup>Bh appearing to have an even longer half-life of about 11.5 minutes. </p><p>The most proton-rich isotopes with masses 260, 261, and 262 were directly produced by cold fusion, those with mass 262 and 264 were reported in the decay chains of meitnerium and roentgenium, while the neutron-rich isotopes with masses 265, 266, 267 were created in irradiations of actinide targets. The five most neutron-rich ones with masses 270, 271, 272, 274, and 278 (unconfirmed) appear in the decay chains of <sup>282</sup>Nh, <sup>287</sup>Mc, <sup>288</sup>Mc, <sup>294</sup>Ts, and <sup>290</sup>Fl respectively. The half-lives of bohrium isotopes range from about ten&#160;milliseconds for <sup>262m</sup>Bh to about one&#160;minute for <sup>270</sup>Bh and <sup>274</sup>Bh, extending to about 11.5 minutes for the unconfirmed <sup>278</sup>Bh, which may have one of the longest half-lives among reported superheavy nuclides.<sup id="cite_ref-Doi_82-0" class="reference"><a href="#cite_note-Doi_-82"><span class="cite-bracket">&#91;</span>69<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Predicted_properties">Predicted properties</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bohrium&amp;action=edit&amp;section=6" title="Edit section: Predicted properties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Very few properties of bohrium or its compounds have been measured; this is due to its extremely limited and expensive production<sup id="cite_ref-Bloomberg_83-0" class="reference"><a href="#cite_note-Bloomberg-83"><span class="cite-bracket">&#91;</span>70<span class="cite-bracket">&#93;</span></a></sup> and the fact that bohrium (and its parents) decays very quickly. A few singular chemistry-related properties have been measured, but properties of bohrium metal remain unknown and only predictions are available. </p> <div class="mw-heading mw-heading3"><h3 id="Chemical">Chemical</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bohrium&amp;action=edit&amp;section=7" title="Edit section: Chemical"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Bohrium is the fifth member of the 6d series of transition metals and the heaviest member of <a href="/wiki/Group_7_element" title="Group 7 element">group 7</a> in the periodic table, below <a href="/wiki/Manganese" title="Manganese">manganese</a>, <a href="/wiki/Technetium" title="Technetium">technetium</a> and <a href="/wiki/Rhenium" title="Rhenium">rhenium</a>. All the members of the group readily portray their group oxidation state of +7 and the state becomes more stable as the group is descended. Thus bohrium is expected to form a stable +7 state. Technetium also shows a stable +4 state whilst rhenium exhibits stable +4 and +3 states. Bohrium may therefore show these lower states as well.<sup id="cite_ref-Fricke1975_84-0" class="reference"><a href="#cite_note-Fricke1975-84"><span class="cite-bracket">&#91;</span>71<span class="cite-bracket">&#93;</span></a></sup> The higher +7 oxidation state is more likely to exist in oxyanions, such as perbohrate, <span class="chemf nowrap">BhO<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">−</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">4</sub></span></span></span>, analogous to the lighter <a href="/wiki/Permanganate" title="Permanganate">permanganate</a>, <a href="/wiki/Pertechnetate" title="Pertechnetate">pertechnetate</a>, and <a href="/wiki/Perrhenate" title="Perrhenate">perrhenate</a>. Nevertheless, bohrium(VII) is likely to be unstable in aqueous solution, and would probably be easily reduced to the more stable bohrium(IV).<sup id="cite_ref-Haire_5-4" class="reference"><a href="#cite_note-Haire-5"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> </p><p>The lighter group 7 elements are known to form volatile heptoxides M<sub>2</sub>O<sub>7</sub> (M = Mn, Tc, Re), so bohrium should also form the volatile oxide Bh<sub>2</sub>O<sub>7</sub>. The oxide should dissolve in water to form perbohric acid, HBhO<sub>4</sub>. Rhenium and technetium form a range of oxyhalides from the halogenation of the oxide. The chlorination of the oxide forms the oxychlorides MO<sub>3</sub>Cl, so BhO<sub>3</sub>Cl should be formed in this reaction. Fluorination results in MO<sub>3</sub>F and MO<sub>2</sub>F<sub>3</sub> for the heavier elements in addition to the rhenium compounds ReOF<sub>5</sub> and ReF<sub>7</sub>. Therefore, oxyfluoride formation for bohrium may help to indicate eka-rhenium properties.<sup id="cite_ref-85" class="reference"><a href="#cite_note-85"><span class="cite-bracket">&#91;</span>72<span class="cite-bracket">&#93;</span></a></sup> Since the oxychlorides are asymmetrical, and they should have increasingly large <a href="/wiki/Dipole" title="Dipole">dipole</a> moments going down the group, they should become less volatile in the order TcO<sub>3</sub>Cl &gt; ReO<sub>3</sub>Cl &gt; BhO<sub>3</sub>Cl: this was experimentally confirmed in 2000 by measuring the <a href="/wiki/Enthalpy" title="Enthalpy">enthalpies</a> of <a href="/wiki/Adsorption" title="Adsorption">adsorption</a> of these three compounds. The values are for TcO<sub>3</sub>Cl and ReO<sub>3</sub>Cl are −51&#160;kJ/mol and −61&#160;kJ/mol respectively; the experimental value for BhO<sub>3</sub>Cl is −77.8&#160;kJ/mol, very close to the theoretically expected value of −78.5&#160;kJ/mol.<sup id="cite_ref-Haire_5-5" class="reference"><a href="#cite_note-Haire-5"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Physical_and_atomic">Physical and atomic</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bohrium&amp;action=edit&amp;section=8" title="Edit section: Physical and atomic"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Bohrium is expected to be a solid under normal conditions and assume a <a href="/wiki/Hexagonal_close-packed" class="mw-redirect" title="Hexagonal close-packed">hexagonal close-packed</a> crystal structure (<sup><i>c</i></sup>/<sub><i>a</i></sub>&#160;=&#160;1.62), similar to its lighter <a href="/wiki/Congener_(chemistry)" title="Congener (chemistry)">congener</a> rhenium.<sup id="cite_ref-hcp_6-2" class="reference"><a href="#cite_note-hcp-6"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> Early predictions by Fricke estimated its density at 37.1&#160;g/cm<sup>3</sup>,<sup id="cite_ref-Haire_5-6" class="reference"><a href="#cite_note-Haire-5"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> but newer calculations predict a somewhat lower value of 26–27&#160;g/cm<sup>3</sup>.<sup id="cite_ref-density_7-1" class="reference"><a href="#cite_note-density-7"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-kratz_8-1" class="reference"><a href="#cite_note-kratz-8"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> </p><p>The atomic radius of bohrium is expected to be around 128&#160;pm.<sup id="cite_ref-Haire_5-7" class="reference"><a href="#cite_note-Haire-5"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> Due to the relativistic stabilization of the 7s orbital and destabilization of the 6d orbital, the Bh<sup>+</sup> ion is predicted to have an electron configuration of [Rn] 5f<sup>14</sup> 6d<sup>4</sup> 7s<sup>2</sup>, giving up a 6d electron instead of a 7s electron, which is the opposite of the behavior of its lighter homologues manganese and technetium. Rhenium, on the other hand, follows its heavier congener bohrium in giving up a 5d electron before a 6s electron, as relativistic effects have become significant by the sixth period, where they cause among other things the yellow color of <a href="/wiki/Gold" title="Gold">gold</a> and the low melting point of <a href="/wiki/Mercury_(element)" title="Mercury (element)">mercury</a>. The Bh<sup>2+</sup> ion is expected to have an electron configuration of [Rn] 5f<sup>14</sup> 6d<sup>3</sup> 7s<sup>2</sup>; in contrast, the Re<sup>2+</sup> ion is expected to have a [Xe] 4f<sup>14</sup> 5d<sup>5</sup> configuration, this time analogous to manganese and technetium.<sup id="cite_ref-Haire_5-8" class="reference"><a href="#cite_note-Haire-5"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> The ionic radius of hexacoordinate heptavalent bohrium is expected to be 58&#160;pm (heptavalent manganese, technetium, and rhenium having values of 46, 57, and 53&#160;pm respectively). Pentavalent bohrium should have a larger ionic radius of 83&#160;pm.<sup id="cite_ref-Haire_5-9" class="reference"><a href="#cite_note-Haire-5"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Experimental_chemistry">Experimental chemistry</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bohrium&amp;action=edit&amp;section=9" title="Edit section: Experimental chemistry"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In 1995, the first report on attempted isolation of the element was unsuccessful, prompting new theoretical studies to investigate how best to investigate bohrium (using its lighter homologs technetium and rhenium for comparison) and removing unwanted contaminating elements such as the trivalent <a href="/wiki/Actinide" title="Actinide">actinides</a>, the <a href="/wiki/Group_5_element" title="Group 5 element">group 5 elements</a>, and <a href="/wiki/Polonium" title="Polonium">polonium</a>.<sup id="cite_ref-86" class="reference"><a href="#cite_note-86"><span class="cite-bracket">&#91;</span>73<span class="cite-bracket">&#93;</span></a></sup> </p><p>In 2000, it was confirmed that although relativistic effects are important, bohrium behaves like a typical group 7 element.<sup id="cite_ref-87" class="reference"><a href="#cite_note-87"><span class="cite-bracket">&#91;</span>74<span class="cite-bracket">&#93;</span></a></sup> A team at the <a href="/wiki/Paul_Scherrer_Institute" title="Paul Scherrer Institute">Paul Scherrer Institute</a> (PSI) conducted a chemistry reaction using six atoms of <sup>267</sup>Bh produced in the reaction between <sup>249</sup>Bk and <sup>22</sup>Ne ions. The resulting atoms were thermalised and reacted with a HCl/O<sub>2</sub> mixture to form a volatile oxychloride. The reaction also produced isotopes of its lighter homologues, technetium (as <sup>108</sup>Tc) and rhenium (as <sup>169</sup>Re). The isothermal adsorption curves were measured and gave strong evidence for the formation of a volatile oxychloride with properties similar to that of rhenium oxychloride. This placed bohrium as a typical member of group 7.<sup id="cite_ref-00Ei01_88-0" class="reference"><a href="#cite_note-00Ei01-88"><span class="cite-bracket">&#91;</span>75<span class="cite-bracket">&#93;</span></a></sup> The adsorption enthalpies of the oxychlorides of technetium, rhenium, and bohrium were measured in this experiment, agreeing very well with the theoretical predictions and implying a sequence of decreasing oxychloride volatility down group 7 of TcO<sub>3</sub>Cl &gt; ReO<sub>3</sub>Cl &gt; BhO<sub>3</sub>Cl.<sup id="cite_ref-Haire_5-10" class="reference"><a href="#cite_note-Haire-5"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> </p> <dl><dd>2 Bh + 3 <span class="chemf nowrap">O<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span></span> + 2 HCl → 2 <span class="chemf nowrap">BhO<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">3</sub></span></span>Cl</span> + <span class="chemf nowrap">H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span></span></dd></dl> <p>The longer-lived heavy isotopes of bohrium, produced as the daughters of heavier elements, offer advantages for future radiochemical experiments. Although the heavy isotope <sup>274</sup>Bh requires a rare and highly radioactive <a href="/wiki/Berkelium" title="Berkelium">berkelium</a> target for its production, the isotopes <sup>272</sup>Bh, <sup>271</sup>Bh, and <sup>270</sup>Bh can be readily produced as daughters of more easily produced <a href="/wiki/Moscovium" title="Moscovium">moscovium</a> and <a href="/wiki/Nihonium" title="Nihonium">nihonium</a> isotopes.<sup id="cite_ref-Moody_89-0" class="reference"><a href="#cite_note-Moody-89"><span class="cite-bracket">&#91;</span>76<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bohrium&amp;action=edit&amp;section=10" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></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-most_stable_isotope-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-most_stable_isotope_3-0">^</a></b></span> <span class="reference-text">The most stable isotope of bohrium cannot be determined based on existing data due to uncertainty that arises from the low number of measurements. The half-life of <sup>270</sup>Bh corresponding to two <a href="/wiki/Standard_deviation" title="Standard deviation">standard deviations</a> is, based on existing data, <span class="nowrap"><span data-sort-value="7000240000000000000♠"></span>2.4<span style="margin-left:0.3em;"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.2em;font-size:85%;text-align:right;">+8.8<br />−1.8</span></span></span> minutes<sup id="cite_ref-Mc2022_1-0" class="reference"><a href="#cite_note-Mc2022-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup>, whereas that of <sup>274</sup>Bh is <span class="nowrap"><span data-sort-value="7001440000000000000♠"></span>44<span style="margin-left:0.3em;"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.2em;font-size:85%;text-align:right;">+68<br />−26</span></span></span> seconds; these measurements have overlapping <a href="/wiki/Confidence_interval" title="Confidence interval">confidence intervals</a>. It is also possible that the unconfirmed <sup>278</sup>Bh is more stable than both of these, with its half-life being 11.5 minutes.<sup id="cite_ref-Hofmann2016_2-0" class="reference"><a href="#cite_note-Hofmann2016-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text">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&#160;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><sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">&#91;</span>12<span class="cite-bracket">&#93;</span></a></sup> or <a href="/wiki/Copernicium" title="Copernicium">112</a>;<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">&#91;</span>13<span class="cite-bracket">&#93;</span></a></sup> 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).<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">&#91;</span>14<span class="cite-bracket">&#93;</span></a></sup> 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.</span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text">In 2009, a team at the JINR led by Oganessian published results of their attempt to create hassium in a symmetric <sup>136</sup>Xe&#160;+&#160;<sup>136</sup>Xe 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&#160;<a href="/wiki/Picobarn" class="mw-redirect" title="Picobarn">pb</a>.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">&#91;</span>15<span class="cite-bracket">&#93;</span></a></sup> In comparison, the reaction that resulted in hassium discovery, <sup>208</sup>Pb + <sup>58</sup>Fe, had a cross section of ~20&#160;pb (more specifically, 19<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.2em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">+19</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">-11</sub></span></span>&#160;pb), as estimated by the discoverers.<sup id="cite_ref-Superheavy_element_84Mu01_18-0" class="reference"><a href="#cite_note-Superheavy_element_84Mu01-18"><span class="cite-bracket">&#91;</span>16<span class="cite-bracket">&#93;</span></a></sup></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text">The amount of energy applied to the beam particle to accelerate it can also influence the value of cross section. For example, in the <span style="white-space:nowrap;"><span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.0em;font-size:80%;text-align:right"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">28</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">14</sub></span></span>Si<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;line-height:1.0em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sub></span></span></span> + <span style="white-space:nowrap;"><span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.0em;font-size:80%;text-align:right"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">1</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">0</sub></span></span>n<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;line-height:1.0em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sub></span></span></span> → <span style="white-space:nowrap;"><span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.0em;font-size:80%;text-align:right"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">28</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">13</sub></span></span>Al<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;line-height:1.0em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sub></span></span></span> + <span style="white-space:nowrap;"><span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.0em;font-size:80%;text-align:right"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">1</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">1</sub></span></span>p<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;line-height:1.0em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sub></span></span></span> reaction, cross section changes smoothly from 370&#160;mb at 12.3 MeV to 160&#160;mb at 18.3 MeV, with a broad peak at 13.5&#160;MeV with the maximum value of 380&#160;mb.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">&#91;</span>20<span class="cite-bracket">&#93;</span></a></sup></span> </li> <li id="cite_note-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-30">^</a></b></span> <span class="reference-text">This figure also marks the generally accepted upper limit for lifetime of a compound nucleus.<sup id="cite_ref-Superheavy_element_BerkeleyNoSF_29-0" class="reference"><a href="#cite_note-Superheavy_element_BerkeleyNoSF-29"><span class="cite-bracket">&#91;</span>25<span class="cite-bracket">&#93;</span></a></sup></span> </li> <li id="cite_note-34"><span class="mw-cite-backlink"><b><a href="#cite_ref-34">^</a></b></span> <span class="reference-text">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.<sup id="cite_ref-FOOTNOTEHoffmanGhiorsoSeaborg2000334_32-0" class="reference"><a href="#cite_note-FOOTNOTEHoffmanGhiorsoSeaborg2000334-32"><span class="cite-bracket">&#91;</span>27<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-FOOTNOTEHoffmanGhiorsoSeaborg2000335_33-0" class="reference"><a href="#cite_note-FOOTNOTEHoffmanGhiorsoSeaborg2000335-33"><span class="cite-bracket">&#91;</span>28<span class="cite-bracket">&#93;</span></a></sup></span> </li> <li id="cite_note-42"><span class="mw-cite-backlink"><b><a href="#cite_ref-42">^</a></b></span> <span class="reference-text">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>.<sup id="cite_ref-FOOTNOTEBeiser2003439_41-0" class="reference"><a href="#cite_note-FOOTNOTEBeiser2003439-41"><span class="cite-bracket">&#91;</span>35<span class="cite-bracket">&#93;</span></a></sup></span> </li> <li id="cite_note-52"><span class="mw-cite-backlink"><b><a href="#cite_ref-52">^</a></b></span> <span class="reference-text">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.<sup id="cite_ref-Superheavy_element_Oganessian12_47-2" class="reference"><a href="#cite_note-Superheavy_element_Oganessian12-47"><span class="cite-bracket">&#91;</span>40<span class="cite-bracket">&#93;</span></a></sup></span> </li> <li id="cite_note-56"><span class="mw-cite-backlink"><b><a href="#cite_ref-56">^</a></b></span> <span class="reference-text">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.<sup id="cite_ref-53" class="reference"><a href="#cite_note-53"><span class="cite-bracket">&#91;</span>45<span class="cite-bracket">&#93;</span></a></sup> The first direct measurement of mass of a superheavy nucleus was reported in 2018 at LBNL.<sup id="cite_ref-54" class="reference"><a href="#cite_note-54"><span class="cite-bracket">&#91;</span>46<span class="cite-bracket">&#93;</span></a></sup> 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).<sup id="cite_ref-Superheavy_element_C&amp;EN_55-0" class="reference"><a href="#cite_note-Superheavy_element_C&amp;EN-55"><span class="cite-bracket">&#91;</span>47<span class="cite-bracket">&#93;</span></a></sup></span> </li> <li id="cite_note-57"><span class="mw-cite-backlink"><b><a href="#cite_ref-57">^</a></b></span> <span class="reference-text">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).<sup id="cite_ref-FOOTNOTEBeiser2003433_43-1" class="reference"><a href="#cite_note-FOOTNOTEBeiser2003433-43"><span class="cite-bracket">&#91;</span>36<span class="cite-bracket">&#93;</span></a></sup> 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.</span> </li> <li id="cite_note-60"><span class="mw-cite-backlink"><b><a href="#cite_ref-60">^</a></b></span> <span class="reference-text">Spontaneous fission was discovered by Soviet physicist <a href="/wiki/Georgy_Flerov" class="mw-redirect" title="Georgy Flerov">Georgy Flerov</a>,<sup id="cite_ref-Superheavy_element_Distillations_58-0" class="reference"><a href="#cite_note-Superheavy_element_Distillations-58"><span class="cite-bracket">&#91;</span>48<span class="cite-bracket">&#93;</span></a></sup> a leading scientist at JINR, and thus it was a "hobbyhorse" for the facility.<sup id="cite_ref-Superheavy_element_coldfusion77_59-0" class="reference"><a href="#cite_note-Superheavy_element_coldfusion77-59"><span class="cite-bracket">&#91;</span>49<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-Superheavy_element_BerkeleyNoSF_29-1" class="reference"><a href="#cite_note-Superheavy_element_BerkeleyNoSF-29"><span class="cite-bracket">&#91;</span>25<span class="cite-bracket">&#93;</span></a></sup> They thus preferred to link new isotopes to the already known ones by successive alpha decays.<sup id="cite_ref-Superheavy_element_Distillations_58-1" class="reference"><a href="#cite_note-Superheavy_element_Distillations-58"><span class="cite-bracket">&#91;</span>48<span class="cite-bracket">&#93;</span></a></sup></span> </li> <li id="cite_note-66"><span class="mw-cite-backlink"><b><a href="#cite_ref-66">^</a></b></span> <span class="reference-text">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>.<sup id="cite_ref-Superheavy_element_RSC_61-0" class="reference"><a href="#cite_note-Superheavy_element_RSC-61"><span class="cite-bracket">&#91;</span>50<span class="cite-bracket">&#93;</span></a></sup> 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, <i>nobelium</i>. It was later shown that the identification was incorrect.<sup id="cite_ref-FOOTNOTEKragh201838–39_62-0" class="reference"><a href="#cite_note-FOOTNOTEKragh201838–39-62"><span class="cite-bracket">&#91;</span>51<span class="cite-bracket">&#93;</span></a></sup> 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.<sup id="cite_ref-FOOTNOTEKragh201838–39_62-1" class="reference"><a href="#cite_note-FOOTNOTEKragh201838–39-62"><span class="cite-bracket">&#91;</span>51<span class="cite-bracket">&#93;</span></a></sup> JINR insisted that they were the first to create the element and suggested a name of their own for the new element, <i>joliotium</i>;<sup id="cite_ref-FOOTNOTEKragh201840_63-0" class="reference"><a href="#cite_note-FOOTNOTEKragh201840-63"><span class="cite-bracket">&#91;</span>52<span class="cite-bracket">&#93;</span></a></sup> the Soviet name was also not accepted (JINR later referred to the naming of the element 102 as "hasty").<sup id="cite_ref-Superheavy_element_1993_responses_64-0" class="reference"><a href="#cite_note-Superheavy_element_1993_responses-64"><span class="cite-bracket">&#91;</span>53<span class="cite-bracket">&#93;</span></a></sup> This name was proposed to IUPAC in a written response to their ruling on priority of discovery claims of elements, signed 29&#160;September&#160;1992.<sup id="cite_ref-Superheavy_element_1993_responses_64-1" class="reference"><a href="#cite_note-Superheavy_element_1993_responses-64"><span class="cite-bracket">&#91;</span>53<span class="cite-bracket">&#93;</span></a></sup> The name "nobelium" remained unchanged on account of its widespread usage.<sup id="cite_ref-Superheavy_element_IUPAC97_65-0" class="reference"><a href="#cite_note-Superheavy_element_IUPAC97-65"><span class="cite-bracket">&#91;</span>54<span class="cite-bracket">&#93;</span></a></sup></span> </li> <li id="cite_note-74"><span class="mw-cite-backlink"><b><a href="#cite_ref-74">^</a></b></span> <span class="reference-text">Different sources give different values for half-lives; the most recently published values are listed.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bohrium&amp;action=edit&amp;section=11" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></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-Mc2022-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-Mc2022_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Mc2022_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Mc2022_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Mc2022_1-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><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="CITEREFOganessianUtyonkovKovrizhnykh2022" class="citation journal cs1">Oganessian, Yu. Ts.; Utyonkov, V. K.; Kovrizhnykh, N. D.; et&#160;al. (2022). <a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevC.106.064306">"New isotope <sup>286</sup>Mc produced in the <sup>243</sup>Am+<sup>48</sup>Ca reaction"</a>. <i>Physical Review C</i>. <b>106</b> (64306): 064306. <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/2022PhRvC.106f4306O">2022PhRvC.106f4306O</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevC.106.064306">10.1103/PhysRevC.106.064306</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a>&#160;<a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:254435744">254435744</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Physical+Review+C&amp;rft.atitle=New+isotope+%3Csup%3E286%3C%2Fsup%3EMc+produced+in+the+%3Csup%3E243%3C%2Fsup%3EAm%2B%3Csup%3E48%3C%2Fsup%3ECa+reaction&amp;rft.volume=106&amp;rft.issue=64306&amp;rft.pages=064306&amp;rft.date=2022&amp;rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A254435744%23id-name%3DS2CID&amp;rft_id=info%3Adoi%2F10.1103%2FPhysRevC.106.064306&amp;rft_id=info%3Abibcode%2F2022PhRvC.106f4306O&amp;rft.aulast=Oganessian&amp;rft.aufirst=Yu.+Ts.&amp;rft.au=Utyonkov%2C+V.+K.&amp;rft.au=Kovrizhnykh%2C+N.+D.&amp;rft_id=https%3A%2F%2Fdoi.org%2F10.1103%252FPhysRevC.106.064306&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span></span> </li> <li id="cite_note-Hofmann2016-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-Hofmann2016_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Hofmann2016_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Hofmann2016_2-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHofmannHeinzMannMaurer2016" class="citation journal cs1">Hofmann, S.; Heinz, S.; Mann, R.; Maurer, J.; Münzenberg, G.; Antalic, S.; Barth, W.; Burkhard, H. G.; Dahl, L.; Eberhardt, K.; Grzywacz, R.; Hamilton, J. H.; Henderson, R. A.; Kenneally, J. M.; Kindler, B.; Kojouharov, I.; Lang, R.; Lommel, B.; Miernik, K.; Miller, D.; Moody, K. J.; Morita, K.; Nishio, K.; Popeko, A. G.; Roberto, J. B.; Runke, J.; Rykaczewski, K. P.; Saro, S.; Scheidenberger, C.; Schött, H. J.; Shaughnessy, D. A.; Stoyer, M. A.; Thörle-Popiesch, P.; Tinschert, K.; Trautmann, N.; Uusitalo, J.; Yeremin, A. V. (2016). "Review of even element super-heavy nuclei and search for element 120". <i>The European Physics Journal A</i>. <b>2016</b> (52). <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/2016EPJA...52..180H">2016EPJA...52..180H</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1140%2Fepja%2Fi2016-16180-4">10.1140/epja/i2016-16180-4</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+European+Physics+Journal+A&amp;rft.atitle=Review+of+even+element+super-heavy+nuclei+and+search+for+element+120&amp;rft.volume=2016&amp;rft.issue=52&amp;rft.date=2016&amp;rft_id=info%3Adoi%2F10.1140%2Fepja%2Fi2016-16180-4&amp;rft_id=info%3Abibcode%2F2016EPJA...52..180H&amp;rft.aulast=Hofmann&amp;rft.aufirst=S.&amp;rft.au=Heinz%2C+S.&amp;rft.au=Mann%2C+R.&amp;rft.au=Maurer%2C+J.&amp;rft.au=M%C3%BCnzenberg%2C+G.&amp;rft.au=Antalic%2C+S.&amp;rft.au=Barth%2C+W.&amp;rft.au=Burkhard%2C+H.+G.&amp;rft.au=Dahl%2C+L.&amp;rft.au=Eberhardt%2C+K.&amp;rft.au=Grzywacz%2C+R.&amp;rft.au=Hamilton%2C+J.+H.&amp;rft.au=Henderson%2C+R.+A.&amp;rft.au=Kenneally%2C+J.+M.&amp;rft.au=Kindler%2C+B.&amp;rft.au=Kojouharov%2C+I.&amp;rft.au=Lang%2C+R.&amp;rft.au=Lommel%2C+B.&amp;rft.au=Miernik%2C+K.&amp;rft.au=Miller%2C+D.&amp;rft.au=Moody%2C+K.+J.&amp;rft.au=Morita%2C+K.&amp;rft.au=Nishio%2C+K.&amp;rft.au=Popeko%2C+A.+G.&amp;rft.au=Roberto%2C+J.+B.&amp;rft.au=Runke%2C+J.&amp;rft.au=Rykaczewski%2C+K.+P.&amp;rft.au=Saro%2C+S.&amp;rft.au=Scheidenberger%2C+C.&amp;rft.au=Sch%C3%B6tt%2C+H.+J.&amp;rft.au=Shaughnessy%2C+D.+A.&amp;rft.au=Stoyer%2C+M.+A.&amp;rft.au=Th%C3%B6rle-Popiesch%2C+P.&amp;rft.au=Tinschert%2C+K.&amp;rft.au=Trautmann%2C+N.&amp;rft.au=Uusitalo%2C+J.&amp;rft.au=Yeremin%2C+A.+V.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span></span> </li> <li id="cite_note-ioniz-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-ioniz_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJohnsonFrickeJacobDong2002" class="citation journal cs1">Johnson, E.; Fricke, B.; Jacob, T.; Dong, C. Z.; Fritzsche, S.; Pershina, V. (2002). "Ionization potentials and radii of neutral and ionized species of elements 107 (bohrium) and 108 (hassium) from extended multiconfiguration Dirac–Fock calculations". <i>The Journal of Chemical Physics</i>. <b>116</b> (5): 1862–1868. <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/2002JChPh.116.1862J">2002JChPh.116.1862J</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1063%2F1.1430256">10.1063/1.1430256</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+Journal+of+Chemical+Physics&amp;rft.atitle=Ionization+potentials+and+radii+of+neutral+and+ionized+species+of+elements+107+%28bohrium%29+and+108+%28hassium%29+from+extended+multiconfiguration+Dirac%E2%80%93Fock+calculations&amp;rft.volume=116&amp;rft.issue=5&amp;rft.pages=1862-1868&amp;rft.date=2002&amp;rft_id=info%3Adoi%2F10.1063%2F1.1430256&amp;rft_id=info%3Abibcode%2F2002JChPh.116.1862J&amp;rft.aulast=Johnson&amp;rft.aufirst=E.&amp;rft.au=Fricke%2C+B.&amp;rft.au=Jacob%2C+T.&amp;rft.au=Dong%2C+C.+Z.&amp;rft.au=Fritzsche%2C+S.&amp;rft.au=Pershina%2C+V.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span></span> </li> <li id="cite_note-Haire-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-Haire_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Haire_5-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Haire_5-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Haire_5-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-Haire_5-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-Haire_5-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-Haire_5-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-Haire_5-7"><sup><i><b>h</b></i></sup></a> <a href="#cite_ref-Haire_5-8"><sup><i><b>i</b></i></sup></a> <a href="#cite_ref-Haire_5-9"><sup><i><b>j</b></i></sup></a> <a href="#cite_ref-Haire_5-10"><sup><i><b>k</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHaire2006" class="citation book cs1">Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). 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In Vértes, Attila; Nagy, Sándor; Klencsár, Zoltán; Lovas, Rezső G.; Rösch, Frank (eds.). <i>Handbook of Nuclear Chemistry: Production and Identification of Transactinide Elements</i>. p.&#160;877. <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%2F978-1-4419-0720-2_19">10.1007/978-1-4419-0720-2_19</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-1-4419-0719-6" title="Special:BookSources/978-1-4419-0719-6"><bdi>978-1-4419-0719-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=Production+and+Identification+of+Transactinide+Elements&amp;rft.btitle=Handbook+of+Nuclear+Chemistry%3A+Production+and+Identification+of+Transactinide+Elements&amp;rft.pages=877&amp;rft.date=2011&amp;rft_id=info%3Adoi%2F10.1007%2F978-1-4419-0720-2_19&amp;rft.isbn=978-1-4419-0719-6&amp;rft.aulast=M%C3%BCnzenberg&amp;rft.aufirst=G.&amp;rft.au=Gupta%2C+M.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span></span> </li> <li id="cite_note-Bloomberg-83"><span class="mw-cite-backlink"><b><a href="#cite_ref-Bloomberg_83-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSubramanian2019" class="citation web cs1"><a href="/wiki/Samanth_Subramanian" title="Samanth Subramanian">Subramanian, S.</a> (2019). <a rel="nofollow" class="external text" href="https://www.bloomberg.com/news/features/2019-08-28/making-new-elements-doesn-t-pay-just-ask-this-berkeley-scientist">"Making New Elements Doesn't Pay. Just Ask This Berkeley Scientist"</a>. <i><a href="/wiki/Bloomberg_Businessweek" title="Bloomberg Businessweek">Bloomberg Businessweek</a></i>. <a rel="nofollow" class="external text" href="https://archive.today/20201114183428/https://www.bloomberg.com/news/features/2019-08-28/making-new-elements-doesn-t-pay-just-ask-this-berkeley-scientist">Archived</a> from the original on November 14, 2020<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-01-18</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Bloomberg+Businessweek&amp;rft.atitle=Making+New+Elements+Doesn%27t+Pay.+Just+Ask+This+Berkeley+Scientist&amp;rft.date=2019&amp;rft.aulast=Subramanian&amp;rft.aufirst=S.&amp;rft_id=https%3A%2F%2Fwww.bloomberg.com%2Fnews%2Ffeatures%2F2019-08-28%2Fmaking-new-elements-doesn-t-pay-just-ask-this-berkeley-scientist&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span></span> </li> <li id="cite_note-Fricke1975-84"><span class="mw-cite-backlink"><b><a href="#cite_ref-Fricke1975_84-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFricke1975" class="citation journal cs1">Fricke, Burkhard (1975). <a rel="nofollow" class="external text" href="https://www.researchgate.net/publication/225672062">"Superheavy elements: a prediction of their chemical and physical properties"</a>. <i>Recent Impact of Physics on Inorganic Chemistry</i>. Structure and Bonding. <b>21</b>: 89–144. <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%2FBFb0116498">10.1007/BFb0116498</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-3-540-07109-9" title="Special:BookSources/978-3-540-07109-9"><bdi>978-3-540-07109-9</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">4 October</span> 2013</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Recent+Impact+of+Physics+on+Inorganic+Chemistry&amp;rft.atitle=Superheavy+elements%3A+a+prediction+of+their+chemical+and+physical+properties&amp;rft.volume=21&amp;rft.pages=89-144&amp;rft.date=1975&amp;rft_id=info%3Adoi%2F10.1007%2FBFb0116498&amp;rft.isbn=978-3-540-07109-9&amp;rft.aulast=Fricke&amp;rft.aufirst=Burkhard&amp;rft_id=https%3A%2F%2Fwww.researchgate.net%2Fpublication%2F225672062&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span> </span> </li> <li id="cite_note-85"><span class="mw-cite-backlink"><b><a href="#cite_ref-85">^</a></b></span> <span class="reference-text">Hans Georg Nadler "Rhenium and Rhenium Compounds" Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2000. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2F14356007.a23_199">10.1002/14356007.a23_199</a></span> </li> <li id="cite_note-86"><span class="mw-cite-backlink"><b><a href="#cite_ref-86">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMalmbeckSkarnemarkAlstadFure2000" class="citation journal cs1">Malmbeck, R.; Skarnemark, G.; Alstad, J.; Fure, K.; Johansson, M.; Omtvedt, J. P. (2000). 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W.; Eichler, R.; Brüchle, W.; Dressler, R.; Düllmann, Ch. E.; Eichler, B.; Gregorich, K. E.; Hoffman, D. C.; et&#160;al. (2000). "Chemical characterization of bohrium (element 107)". <i>Nature</i>. <b>407</b> (6800): 63–5. <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/2000Natur.407...63E">2000Natur.407...63E</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2F35024044">10.1038/35024044</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a>&#160;<a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/10993071">10993071</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a>&#160;<a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:4398253">4398253</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Nature&amp;rft.atitle=Chemical+characterization+of+bohrium+%28element+107%29&amp;rft.volume=407&amp;rft.issue=6800&amp;rft.pages=63-5&amp;rft.date=2000&amp;rft_id=info%3Adoi%2F10.1038%2F35024044&amp;rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A4398253%23id-name%3DS2CID&amp;rft_id=info%3Apmid%2F10993071&amp;rft_id=info%3Abibcode%2F2000Natur.407...63E&amp;rft.aulast=G%C3%A4ggeler&amp;rft.aufirst=H.+W.&amp;rft.au=Eichler%2C+R.&amp;rft.au=Br%C3%BCchle%2C+W.&amp;rft.au=Dressler%2C+R.&amp;rft.au=D%C3%BCllmann%2C+Ch.+E.&amp;rft.au=Eichler%2C+B.&amp;rft.au=Gregorich%2C+K.+E.&amp;rft.au=Hoffman%2C+D.+C.&amp;rft.au=H%C3%BCbener%2C+S.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span></span> </li> <li id="cite_note-00Ei01-88"><span class="mw-cite-backlink"><b><a href="#cite_ref-00Ei01_88-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFEichler" class="citation web cs1">Eichler, R.; et&#160;al. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120219002121/http://www.gsi.de/informationen/wti/library/scientificreport2000/Chemistry/9/r_eichler_jb2000.pdf">"Gas chemical investigation of bohrium (Bh, element 107)"</a> <span class="cs1-format">(PDF)</span>. <i>GSI Annual Report 2000</i>. Archived from <a rel="nofollow" class="external text" href="http://www.gsi.de/informationen/wti/library/scientificreport2000/Chemistry/9/r_eichler_jb2000.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 2012-02-19<span class="reference-accessdate">. Retrieved <span class="nowrap">2008-02-29</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=GSI+Annual+Report+2000&amp;rft.atitle=Gas+chemical+investigation+of+bohrium+%28Bh%2C+element+107%29&amp;rft.aulast=Eichler&amp;rft.aufirst=R.&amp;rft_id=http%3A%2F%2Fwww.gsi.de%2Finformationen%2Fwti%2Flibrary%2Fscientificreport2000%2FChemistry%2F9%2Fr_eichler_jb2000.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span></span> </li> <li id="cite_note-Moody-89"><span class="mw-cite-backlink"><b><a href="#cite_ref-Moody_89-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMoody2013" class="citation book cs1">Moody, Ken (2013-11-30). "Synthesis of Superheavy Elements". In Schädel, Matthias; Shaughnessy, Dawn (eds.). <i>The Chemistry of Superheavy Elements</i> (2nd&#160;ed.). Springer Science &amp; Business Media. pp.&#160;24–8. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/9783642374661" title="Special:BookSources/9783642374661"><bdi>9783642374661</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=Synthesis+of+Superheavy+Elements&amp;rft.btitle=The+Chemistry+of+Superheavy+Elements&amp;rft.pages=24-8&amp;rft.edition=2nd&amp;rft.pub=Springer+Science+%26+Business+Media&amp;rft.date=2013-11-30&amp;rft.isbn=9783642374661&amp;rft.aulast=Moody&amp;rft.aufirst=Ken&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Bibliography">Bibliography</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bohrium&amp;action=edit&amp;section=12" title="Edit section: Bibliography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAudi_et_al.2017" class="citation journal cs1">Audi, G.; Kondev, F. 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(2003). <i>Concepts of modern physics</i> (6th&#160;ed.). McGraw-Hill. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<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>&#160;<a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/48965418">48965418</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Concepts+of+modern+physics&amp;rft.edition=6th&amp;rft.pub=McGraw-Hill&amp;rft.date=2003&amp;rft_id=info%3Aoclcnum%2F48965418&amp;rft.isbn=978-0-07-244848-1&amp;rft.aulast=Beiser&amp;rft.aufirst=A.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span></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). <i>The Transuranium People: The Inside Story</i>. <a href="/wiki/World_Scientific" title="World Scientific">World Scientific</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<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&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Transuranium+People%3A+The+Inside+Story&amp;rft.pub=World+Scientific&amp;rft.date=2000&amp;rft.isbn=978-1-78-326244-1&amp;rft.aulast=Hoffman&amp;rft.aufirst=D.+C.&amp;rft.au=Ghiorso%2C+A.&amp;rft.au=Seaborg%2C+G.+T.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span></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). <i>From Transuranic to Superheavy Elements: A Story of Dispute and Creation</i>. <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>&#160;<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&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=From+Transuranic+to+Superheavy+Elements%3A+A+Story+of+Dispute+and+Creation&amp;rft.pub=Springer&amp;rft.date=2018&amp;rft.isbn=978-3-319-75813-8&amp;rft.aulast=Kragh&amp;rft.aufirst=H.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span></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?". <i><a href="/wiki/Journal_of_Physics:_Conference_Series" title="Journal of Physics: Conference Series">Journal of Physics: Conference Series</a></i>. <b>420</b> (1): 012001. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/1207.5700">1207.5700</a></span>. <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>&#160;<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>&#160;<a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:55434734">55434734</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Journal+of+Physics%3A+Conference+Series&amp;rft.atitle=Future+of+superheavy+element+research%3A+Which+nuclei+could+be+synthesized+within+the+next+few+years%3F&amp;rft.volume=420&amp;rft.issue=1&amp;rft.pages=012001&amp;rft.date=2013&amp;rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A55434734%23id-name%3DS2CID&amp;rft_id=info%3Abibcode%2F2013JPhCS.420a2001Z&amp;rft_id=info%3Aarxiv%2F1207.5700&amp;rft.issn=1742-6588&amp;rft_id=info%3Adoi%2F10.1088%2F1742-6596%2F420%2F1%2F012001&amp;rft.aulast=Zagrebaev&amp;rft.aufirst=V.&amp;rft.au=Karpov%2C+A.&amp;rft.au=Greiner%2C+W.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ABohrium" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a 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style="background:transparent; font-weight:normal;"><a href="/wiki/Alkali_metal" title="Alkali metal">1</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Alkaline_earth_metal" title="Alkaline earth metal">2</a> </th> <td colspan="14"> </td> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_3_element" title="Group 3 element">3</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_4_element" title="Group 4 element">4</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_5_element" title="Group 5 element">5</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_6_element" title="Group 6 element">6</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_7_element" title="Group 7 element">7</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_8_element" title="Group 8 element">8</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_9_element" title="Group 9 element">9</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_10_element" title="Group 10 element">10</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_11_element" title="Group 11 element">11</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_12_element" title="Group 12 element">12</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Boron_group" title="Boron group">13</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Carbon_group" title="Carbon group">14</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Pnictogen" title="Pnictogen">15</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Chalcogen" title="Chalcogen">16</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Halogen" title="Halogen">17</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Noble_gas" title="Noble gas">18</a> </th></tr> <tr> <th scope="row" style="background:transparent; 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; border:none; ;"><span class="nowrap"><a href="/wiki/Hydrogen" title="Hydrogen"><span style="display:block">H</span></a></span> </td> <td colspan="30"> </td> <td title="He, Helium" style="text-align:center; background-color:#ff9999; border:none; ;"><span class="nowrap"><a href="/wiki/Helium" title="Helium"><span style="display:block">He</span></a></span> </td></tr> <tr> <th scope="row" style="background:transparent; 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; border:none; ;"><span class="nowrap"><a href="/wiki/Lithium" title="Lithium"><span style="display:block">Li</span></a></span> </td> <td title="Be, Beryllium" style="text-align:center; background-color:#ff9999; border:none; ;"><span class="nowrap"><a href="/wiki/Beryllium" title="Beryllium"><span style="display:block">Be</span></a></span> </td> <td colspan="24"> </td> <td title="B, Boron" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Boron" title="Boron"><span style="display:block">B</span></a></span> </td> <td title="C, Carbon" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Carbon" title="Carbon"><span style="display:block">C</span></a></span> </td> <td title="N, Nitrogen" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Nitrogen" title="Nitrogen"><span style="display:block">N</span></a></span> </td> <td title="O, Oxygen" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Oxygen" title="Oxygen"><span style="display:block">O</span></a></span> </td> <td title="F, Fluorine" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Fluorine" title="Fluorine"><span style="display:block">F</span></a></span> </td> <td title="Ne, Neon" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Neon" title="Neon"><span style="display:block">Ne</span></a></span> </td></tr> <tr> <th scope="row" style="background:transparent; 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; border:none; ;"><span class="nowrap"><a href="/wiki/Sodium" title="Sodium"><span style="display:block">Na</span></a></span> </td> <td title="Mg, Magnesium" style="text-align:center; background-color:#ff9999; border:none; ;"><span class="nowrap"><a href="/wiki/Magnesium" title="Magnesium"><span style="display:block">Mg</span></a></span> </td> <td colspan="24"> </td> <td title="Al, Aluminium" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Aluminium" title="Aluminium"><span style="display:block">Al</span></a></span> </td> <td title="Si, Silicon" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Silicon" title="Silicon"><span style="display:block">Si</span></a></span> </td> <td title="P, Phosphorus" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Phosphorus" title="Phosphorus"><span style="display:block">P</span></a></span> </td> <td title="S, Sulfur" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Sulfur" title="Sulfur"><span style="display:block">S</span></a></span> </td> <td title="Cl, Chlorine" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Chlorine" title="Chlorine"><span style="display:block">Cl</span></a></span> </td> <td title="Ar, Argon" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Argon" title="Argon"><span style="display:block">Ar</span></a></span> </td></tr> <tr> <th scope="row" style="background:transparent; 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; border:none; ;"><span class="nowrap"><a href="/wiki/Potassium" title="Potassium"><span style="display:block">K</span></a></span> </td> <td title="Ca, Calcium" style="text-align:center; background-color:#ff9999; border:none; ;"><span class="nowrap"><a href="/wiki/Calcium" title="Calcium"><span style="display:block">Ca</span></a></span> </td> <td colspan="14"> </td> <td title="Sc, Scandium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Scandium" title="Scandium"><span style="display:block">Sc</span></a></span> </td> <td title="Ti, Titanium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Titanium" title="Titanium"><span style="display:block">Ti</span></a></span> </td> <td title="V, Vanadium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Vanadium" title="Vanadium"><span style="display:block">V</span></a></span> </td> <td title="Cr, Chromium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Chromium" title="Chromium"><span style="display:block">Cr</span></a></span> </td> <td title="Mn, Manganese" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Manganese" title="Manganese"><span style="display:block">Mn</span></a></span> </td> <td title="Fe, Iron" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Iron" title="Iron"><span style="display:block">Fe</span></a></span> </td> <td title="Co, Cobalt" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Cobalt" title="Cobalt"><span style="display:block">Co</span></a></span> </td> <td title="Ni, Nickel" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Nickel" title="Nickel"><span style="display:block">Ni</span></a></span> </td> <td title="Cu, Copper" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Copper" title="Copper"><span style="display:block">Cu</span></a></span> </td> <td title="Zn, Zinc" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Zinc" title="Zinc"><span style="display:block">Zn</span></a></span> </td> <td title="Ga, Gallium" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Gallium" title="Gallium"><span style="display:block">Ga</span></a></span> </td> <td title="Ge, Germanium" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Germanium" title="Germanium"><span style="display:block">Ge</span></a></span> </td> <td title="As, Arsenic" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Arsenic" title="Arsenic"><span style="display:block">As</span></a></span> </td> <td title="Se, Selenium" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Selenium" title="Selenium"><span style="display:block">Se</span></a></span> </td> <td title="Br, Bromine" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Bromine" title="Bromine"><span style="display:block">Br</span></a></span> </td> <td title="Kr, Krypton" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Krypton" title="Krypton"><span style="display:block">Kr</span></a></span> </td></tr> <tr> <th scope="row" style="background:transparent; 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; border:none; ;"><span class="nowrap"><a href="/wiki/Rubidium" title="Rubidium"><span style="display:block">Rb</span></a></span> </td> <td title="Sr, Strontium" style="text-align:center; background-color:#ff9999; border:none; ;"><span class="nowrap"><a href="/wiki/Strontium" title="Strontium"><span style="display:block">Sr</span></a></span> </td> <td colspan="14"> </td> <td title="Y, Yttrium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Yttrium" title="Yttrium"><span style="display:block">Y</span></a></span> </td> <td title="Zr, Zirconium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Zirconium" title="Zirconium"><span style="display:block">Zr</span></a></span> </td> <td title="Nb, Niobium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Niobium" title="Niobium"><span style="display:block">Nb</span></a></span> </td> <td title="Mo, Molybdenum" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Molybdenum" title="Molybdenum"><span style="display:block">Mo</span></a></span> </td> <td title="Tc, Technetium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Technetium" title="Technetium"><span style="display:block">Tc</span></a></span> </td> <td title="Ru, Ruthenium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Ruthenium" title="Ruthenium"><span style="display:block">Ru</span></a></span> </td> <td title="Rh, Rhodium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Rhodium" title="Rhodium"><span style="display:block">Rh</span></a></span> </td> <td title="Pd, Palladium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Palladium" title="Palladium"><span style="display:block">Pd</span></a></span> </td> <td title="Ag, Silver" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Silver" title="Silver"><span style="display:block">Ag</span></a></span> </td> <td title="Cd, Cadmium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Cadmium" title="Cadmium"><span style="display:block">Cd</span></a></span> </td> <td title="In, Indium" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Indium" title="Indium"><span style="display:block">In</span></a></span> </td> <td title="Sn, Tin" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Tin" title="Tin"><span style="display:block">Sn</span></a></span> </td> <td title="Sb, Antimony" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Antimony" title="Antimony"><span style="display:block">Sb</span></a></span> </td> <td title="Te, Tellurium" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Tellurium" title="Tellurium"><span style="display:block">Te</span></a></span> </td> <td title="I, Iodine" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Iodine" title="Iodine"><span style="display:block">I</span></a></span> </td> <td title="Xe, Xenon" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Xenon" title="Xenon"><span style="display:block">Xe</span></a></span> </td></tr> <tr> <th scope="row" style="background:transparent; 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; border:none; ;"><span class="nowrap"><a href="/wiki/Caesium" title="Caesium"><span style="display:block">Cs</span></a></span> </td> <td title="Ba, Barium" style="text-align:center; background-color:#ff9999; border:none; ;"><span class="nowrap"><a href="/wiki/Barium" title="Barium"><span style="display:block">Ba</span></a></span> </td> <td title="La, Lanthanum" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Lanthanum" title="Lanthanum"><span style="display:block">La</span></a></span> </td> <td title="Ce, Cerium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Cerium" title="Cerium"><span style="display:block">Ce</span></a></span> </td> <td title="Pr, Praseodymium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Praseodymium" title="Praseodymium"><span style="display:block">Pr</span></a></span> </td> <td title="Nd, Neodymium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Neodymium" title="Neodymium"><span style="display:block">Nd</span></a></span> </td> <td title="Pm, Promethium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Promethium" title="Promethium"><span style="display:block">Pm</span></a></span> </td> <td title="Sm, Samarium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Samarium" title="Samarium"><span style="display:block">Sm</span></a></span> </td> <td title="Eu, Europium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Europium" title="Europium"><span style="display:block">Eu</span></a></span> </td> <td title="Gd, Gadolinium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Gadolinium" title="Gadolinium"><span style="display:block">Gd</span></a></span> </td> <td title="Tb, Terbium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Terbium" title="Terbium"><span style="display:block">Tb</span></a></span> </td> <td title="Dy, Dysprosium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Dysprosium" title="Dysprosium"><span style="display:block">Dy</span></a></span> </td> <td title="Ho, Holmium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Holmium" title="Holmium"><span style="display:block">Ho</span></a></span> </td> <td title="Er, Erbium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Erbium" title="Erbium"><span style="display:block">Er</span></a></span> </td> <td title="Tm, Thulium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Thulium" title="Thulium"><span style="display:block">Tm</span></a></span> </td> <td title="Yb, Ytterbium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Ytterbium" title="Ytterbium"><span style="display:block">Yb</span></a></span> </td> <td title="Lu, Lutetium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Lutetium" title="Lutetium"><span style="display:block">Lu</span></a></span> </td> <td title="Hf, Hafnium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Hafnium" title="Hafnium"><span style="display:block">Hf</span></a></span> </td> <td title="Ta, Tantalum" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Tantalum" title="Tantalum"><span style="display:block">Ta</span></a></span> </td> <td title="W, Tungsten" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Tungsten" title="Tungsten"><span style="display:block">W</span></a></span> </td> <td title="Re, Rhenium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Rhenium" title="Rhenium"><span style="display:block">Re</span></a></span> </td> <td title="Os, Osmium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Osmium" title="Osmium"><span style="display:block">Os</span></a></span> </td> <td title="Ir, Iridium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Iridium" title="Iridium"><span style="display:block">Ir</span></a></span> </td> <td title="Pt, Platinum" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Platinum" title="Platinum"><span style="display:block">Pt</span></a></span> </td> <td title="Au, Gold" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Gold" title="Gold"><span style="display:block">Au</span></a></span> </td> <td title="Hg, Mercury" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Mercury_(element)" title="Mercury (element)"><span style="display:block">Hg</span></a></span> </td> <td title="Tl, Thallium" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Thallium" title="Thallium"><span style="display:block">Tl</span></a></span> </td> <td title="Pb, Lead" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Lead" title="Lead"><span style="display:block">Pb</span></a></span> </td> <td title="Bi, Bismuth" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Bismuth" title="Bismuth"><span style="display:block">Bi</span></a></span> </td> <td title="Po, Polonium" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Polonium" title="Polonium"><span style="display:block">Po</span></a></span> </td> <td title="At, Astatine" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Astatine" title="Astatine"><span style="display:block">At</span></a></span> </td> <td title="Rn, Radon" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Radon" title="Radon"><span style="display:block">Rn</span></a></span> </td></tr> <tr> <th scope="row" style="background:transparent; 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; border:none; ;"><span class="nowrap"><a href="/wiki/Francium" title="Francium"><span style="display:block">Fr</span></a></span> </td> <td title="Ra, Radium" style="text-align:center; background-color:#ff9999; border:none; ;"><span class="nowrap"><a href="/wiki/Radium" title="Radium"><span style="display:block">Ra</span></a></span> </td> <td title="Ac, Actinium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Actinium" title="Actinium"><span style="display:block">Ac</span></a></span> </td> <td title="Th, Thorium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Thorium" title="Thorium"><span style="display:block">Th</span></a></span> </td> <td title="Pa, Protactinium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Protactinium" title="Protactinium"><span style="display:block">Pa</span></a></span> </td> <td title="U, Uranium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Uranium" title="Uranium"><span style="display:block">U</span></a></span> </td> <td title="Np, Neptunium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Neptunium" title="Neptunium"><span style="display:block">Np</span></a></span> </td> <td title="Pu, Plutonium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Plutonium" title="Plutonium"><span style="display:block">Pu</span></a></span> </td> <td title="Am, Americium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Americium" title="Americium"><span style="display:block">Am</span></a></span> </td> <td title="Cm, Curium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Curium" title="Curium"><span style="display:block">Cm</span></a></span> </td> <td title="Bk, Berkelium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Berkelium" title="Berkelium"><span style="display:block">Bk</span></a></span> </td> <td title="Cf, Californium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Californium" title="Californium"><span style="display:block">Cf</span></a></span> </td> <td title="Es, Einsteinium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Einsteinium" title="Einsteinium"><span style="display:block">Es</span></a></span> </td> <td title="Fm, Fermium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Fermium" title="Fermium"><span style="display:block">Fm</span></a></span> </td> <td title="Md, Mendelevium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Mendelevium" title="Mendelevium"><span style="display:block">Md</span></a></span> </td> <td title="No, Nobelium" style="text-align:center; background-color:#9bff99; border:none; ;"><span class="nowrap"><a href="/wiki/Nobelium" title="Nobelium"><span style="display:block">No</span></a></span> </td> <td title="Lr, Lawrencium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Lawrencium" title="Lawrencium"><span style="display:block">Lr</span></a></span> </td> <td title="Rf, Rutherfordium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Rutherfordium" title="Rutherfordium"><span style="display:block">Rf</span></a></span> </td> <td title="Db, Dubnium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Dubnium" title="Dubnium"><span style="display:block">Db</span></a></span> </td> <td title="Sg, Seaborgium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Seaborgium" title="Seaborgium"><span style="display:block">Sg</span></a></span> </td> <td title="Bh, Bohrium" style="text-align:center; background-color:#99ccff; border:3px solid black; ;"><span class="nowrap"><a class="mw-selflink selflink"><span style="display:block">Bh</span></a></span> </td> <td title="Hs, Hassium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Hassium" title="Hassium"><span style="display:block">Hs</span></a></span> </td> <td title="Mt, Meitnerium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Meitnerium" title="Meitnerium"><span style="display:block">Mt</span></a></span> </td> <td title="Ds, Darmstadtium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Darmstadtium" title="Darmstadtium"><span style="display:block">Ds</span></a></span> </td> <td title="Rg, Roentgenium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Roentgenium" title="Roentgenium"><span style="display:block">Rg</span></a></span> </td> <td title="Cn, Copernicium" style="text-align:center; background-color:#99ccff; border:none; ;"><span class="nowrap"><a href="/wiki/Copernicium" title="Copernicium"><span style="display:block">Cn</span></a></span> </td> <td title="Nh, Nihonium" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Nihonium" title="Nihonium"><span style="display:block">Nh</span></a></span> </td> <td title="Fl, Flerovium" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Flerovium" title="Flerovium"><span style="display:block">Fl</span></a></span> </td> <td title="Mc, Moscovium" style="text-align:center; background-color:#fdff8c; border:none; ;"><span class="nowrap"><a href="/wiki/Moscovium" title="Moscovium"><span 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