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vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Cuprins</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mută în bara laterală</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">ascunde</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Început</div> </a> </li> <li id="toc-Istorie" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Istorie"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Istorie</span> </div> </a> <ul id="toc-Istorie-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Răspândire_în_natură" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Răspândire_în_natură"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Răspândire în natură</span> </div> </a> <ul id="toc-Răspândire_în_natură-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Metode_de_obținere" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Metode_de_obținere"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Metode de obținere</span> </div> </a> <ul id="toc-Metode_de_obținere-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Proprietăți" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Proprietăți"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Proprietăți</span> </div> </a> <button aria-controls="toc-Proprietăți-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 Proprietăți subsection</span> </button> <ul id="toc-Proprietăți-sublist" class="vector-toc-list"> <li id="toc-Proprietăți_fizice" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Proprietăți_fizice"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Proprietăți fizice</span> </div> </a> <ul id="toc-Proprietăți_fizice-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Proprietăți_chimice" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Proprietăți_chimice"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Proprietăți chimice</span> </div> </a> <ul id="toc-Proprietăți_chimice-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Izotopi_și_proprietăți_radioactive" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Izotopi_și_proprietăți_radioactive"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Izotopi și proprietăți radioactive</span> </div> </a> <ul id="toc-Izotopi_și_proprietăți_radioactive-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Aplicații" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Aplicații"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Aplicații</span> </div> </a> <ul id="toc-Aplicații-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Identificare" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Identificare"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Identificare</span> </div> </a> <button aria-controls="toc-Identificare-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 Identificare subsection</span> </button> <ul id="toc-Identificare-sublist" class="vector-toc-list"> <li id="toc-Reacții_pe_cale_umedă" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Reacții_pe_cale_umedă"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.1</span> <span>Reacții pe cale umedă</span> </div> </a> <ul id="toc-Reacții_pe_cale_umedă-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Metode_instrumentale" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Metode_instrumentale"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.2</span> <span>Metode instrumentale</span> </div> </a> <ul id="toc-Metode_instrumentale-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Toxicologie" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Toxicologie"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Toxicologie</span> </div> </a> <ul id="toc-Toxicologie-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bariu_în_natura_vie" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bariu_în_natura_vie"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Bariu în natura vie</span> </div> </a> <ul id="toc-Bariu_în_natura_vie-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Combinații" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Combinații"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>Combinații</span> </div> </a> <button aria-controls="toc-Combinații-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 Combinații subsection</span> </button> <ul id="toc-Combinații-sublist" class="vector-toc-list"> <li id="toc-Combinații_cu_oxigenul" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Combinații_cu_oxigenul"> <div class="vector-toc-text"> <span class="vector-toc-numb">10.1</span> <span>Combinații cu oxigenul</span> </div> </a> <ul id="toc-Combinații_cu_oxigenul-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Combinații_cu_halogenii" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Combinații_cu_halogenii"> <div class="vector-toc-text"> <span class="vector-toc-numb">10.2</span> <span>Combinații cu halogenii</span> </div> </a> <ul id="toc-Combinații_cu_halogenii-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Combinații_cu_oxiacizi" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Combinații_cu_oxiacizi"> <div class="vector-toc-text"> <span class="vector-toc-numb">10.3</span> <span>Combinații cu oxiacizi</span> </div> </a> <ul id="toc-Combinații_cu_oxiacizi-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Izotopii_de_bariu" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Izotopii_de_bariu"> <div class="vector-toc-text"> <span class="vector-toc-numb">11</span> <span>Izotopii de bariu</span> </div> </a> <ul id="toc-Izotopii_de_bariu-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Legături_externe" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Legături_externe"> <div class="vector-toc-text"> <span class="vector-toc-numb">12</span> <span>Legături externe</span> </div> </a> <ul id="toc-Legături_externe-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="Cuprins" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Comută cuprinsul" > <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">Comută cuprinsul</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">Bariu</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="Mergeți la un articol în altă limbă. Disponibil în 154 limbi" > <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-154" 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">154 limbi</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/Barium" title="Barium – afrikaans" lang="af" hreflang="af" data-title="Barium" 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%A3%E1%88%AA%E1%8B%A8%E1%88%9D" title="ባሪየም – amharică" lang="am" hreflang="am" data-title="ባሪየም" data-language-autonym="አማርኛ" data-language-local-name="amharică" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Bario" title="Bario – aragoneză" lang="an" hreflang="an" data-title="Bario" data-language-autonym="Aragonés" data-language-local-name="aragoneză" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%AC%E0%A5%87%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बेरियम – angika" lang="anp" hreflang="anp" data-title="बेरियम" 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%D8%A7%D8%B1%D9%8A%D9%88%D9%85" title="باريوم – arabă" lang="ar" hreflang="ar" data-title="باريوم" data-language-autonym="العربية" data-language-local-name="arabă" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%A8%D8%A7%D8%B1%D9%8A%D9%88%D9%85" title="باريوم – Moroccan Arabic" lang="ary" hreflang="ary" data-title="باريوم" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%A8%D8%A7%D8%B1%D9%8A%D9%88%D9%85" title="باريوم – Egyptian Arabic" lang="arz" hreflang="arz" data-title="باريوم" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Bariu" title="Bariu – asturiană" lang="ast" hreflang="ast" data-title="Bariu" data-language-autonym="Asturianu" data-language-local-name="asturiană" 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/Barium" title="Barium – azeră" lang="az" hreflang="az" data-title="Barium" data-language-autonym="Azərbaycanca" data-language-local-name="azeră" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D0%B9" title="Барий – bașkiră" lang="ba" hreflang="ba" data-title="Барий" data-language-autonym="Башҡортса" data-language-local-name="bașkiră" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Barium" title="Barium – balineză" lang="ban" hreflang="ban" data-title="Barium" data-language-autonym="Basa Bali" data-language-local-name="balineză" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Baryo_(elemento)" title="Baryo (elemento) – Central Bikol" lang="bcl" hreflang="bcl" data-title="Baryo (elemento)" 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-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D1%8B%D0%B9" title="Барый – belarusă" lang="be" hreflang="be" data-title="Барый" data-language-autonym="Беларуская" data-language-local-name="belarusă" 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%B0%D1%80_(%D1%8D%D0%BB%D0%B5%D0%BC%D1%8D%D0%BD%D1%82)" title="Бар (элемэнт) – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Бар (элемэнт)" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D0%B9" title="Барий – bulgară" lang="bg" hreflang="bg" data-title="Барий" data-language-autonym="Български" data-language-local-name="bulgară" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%AC%E0%A5%87%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बेरियम – Bhojpuri" lang="bh" hreflang="bh" data-title="बेरियम" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AC%E0%A7%87%E0%A6%B0%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%AE" title="বেরিয়াম – bengaleză" lang="bn" hreflang="bn" data-title="বেরিয়াম" data-language-autonym="বাংলা" data-language-local-name="bengaleză" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%96%E0%BE%B7%E0%BD%BA%E0%BC%8B%E0%BD%A2%E0%BD%B2%E0%BD%98%E0%BC%8D" title="བྷེ་རིམ། – tibetană" lang="bo" hreflang="bo" data-title="བྷེ་རིམ།" data-language-autonym="བོད་ཡིག" data-language-local-name="tibetană" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Bariom" title="Bariom – bretonă" lang="br" hreflang="br" data-title="Bariom" data-language-autonym="Brezhoneg" data-language-local-name="bretonă" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Barij" title="Barij – bosniacă" lang="bs" hreflang="bs" data-title="Barij" data-language-autonym="Bosanski" data-language-local-name="bosniacă" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Bari_(element)" title="Bari (element) – catalană" lang="ca" hreflang="ca" data-title="Bari (element)" data-language-autonym="Català" data-language-local-name="catalană" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/Barium" title="Barium – Mindong" lang="cdo" hreflang="cdo" data-title="Barium" 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-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Baryo" title="Baryo – cebuană" lang="ceb" hreflang="ceb" data-title="Baryo" data-language-autonym="Cebuano" data-language-local-name="cebuană" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-chr mw-list-item"><a href="https://chr.wikipedia.org/wiki/%E1%8F%87%E1%8E%B5%E1%8E%A5%E1%8E%BB" title="ᏇᎵᎥᎻ – cherokee" lang="chr" hreflang="chr" data-title="ᏇᎵᎥᎻ" data-language-autonym="ᏣᎳᎩ" data-language-local-name="cherokee" class="interlanguage-link-target"><span>ᏣᎳᎩ</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%A8%D8%A7%D8%B1%DB%8C%DB%86%D9%85" title="باریۆم – kurdă centrală" lang="ckb" hreflang="ckb" data-title="باریۆم" data-language-autonym="کوردی" data-language-local-name="kurdă centrală" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Bariu" title="Bariu – corsicană" lang="co" hreflang="co" data-title="Bariu" data-language-autonym="Corsu" data-language-local-name="corsicană" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Baryum" title="Baryum – cehă" lang="cs" hreflang="cs" data-title="Baryum" data-language-autonym="Čeština" data-language-local-name="cehă" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D0%B9" title="Барий – ciuvașă" lang="cv" hreflang="cv" data-title="Барий" data-language-autonym="Чӑвашла" data-language-local-name="ciuvașă" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Bariwm" title="Bariwm – galeză" lang="cy" hreflang="cy" data-title="Bariwm" data-language-autonym="Cymraeg" data-language-local-name="galeză" 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/Barium" title="Barium – daneză" lang="da" hreflang="da" data-title="Barium" data-language-autonym="Dansk" data-language-local-name="daneză" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Barium" title="Barium – germană" lang="de" hreflang="de" data-title="Barium" data-language-autonym="Deutsch" data-language-local-name="germană" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%92%CE%AC%CF%81%CE%B9%CE%BF" title="Βάριο – greacă" lang="el" hreflang="el" data-title="Βάριο" data-language-autonym="Ελληνικά" data-language-local-name="greacă" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="articol bun"><a href="https://en.wikipedia.org/wiki/Barium" title="Barium – engleză" lang="en" hreflang="en" data-title="Barium" data-language-autonym="English" data-language-local-name="engleză" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Bario" title="Bario – esperanto" lang="eo" hreflang="eo" data-title="Bario" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Bario" title="Bario – spaniolă" lang="es" hreflang="es" data-title="Bario" data-language-autonym="Español" data-language-local-name="spaniolă" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Baarium" title="Baarium – estonă" lang="et" hreflang="et" data-title="Baarium" data-language-autonym="Eesti" data-language-local-name="estonă" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Bario" title="Bario – bască" lang="eu" hreflang="eu" data-title="Bario" data-language-autonym="Euskara" data-language-local-name="bască" 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%D8%A7%D8%B1%DB%8C%D9%85" title="باریم – persană" lang="fa" hreflang="fa" data-title="باریم" data-language-autonym="فارسی" data-language-local-name="persană" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Barium" title="Barium – finlandeză" lang="fi" hreflang="fi" data-title="Barium" data-language-autonym="Suomi" data-language-local-name="finlandeză" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Barium" title="Barium – feroeză" lang="fo" hreflang="fo" data-title="Barium" data-language-autonym="Føroyskt" data-language-local-name="feroeză" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Baryum" title="Baryum – franceză" lang="fr" hreflang="fr" data-title="Baryum" data-language-autonym="Français" data-language-local-name="franceză" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Baarium" title="Baarium – frizonă nordică" lang="frr" hreflang="frr" data-title="Baarium" data-language-autonym="Nordfriisk" data-language-local-name="frizonă nordică" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Bari" title="Bari – friulană" lang="fur" hreflang="fur" data-title="Bari" data-language-autonym="Furlan" data-language-local-name="friulană" 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/Bairiam" title="Bairiam – irlandeză" lang="ga" hreflang="ga" data-title="Bairiam" data-language-autonym="Gaeilge" data-language-local-name="irlandeză" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E9%8B%87" title="鋇 – chineză gan" lang="gan" hreflang="gan" data-title="鋇" data-language-autonym="贛語" data-language-local-name="chineză gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Barium" title="Barium – gaelică scoțiană" lang="gd" hreflang="gd" data-title="Barium" data-language-autonym="Gàidhlig" data-language-local-name="gaelică scoțiană" 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/Bario" title="Bario – galiciană" lang="gl" hreflang="gl" data-title="Bario" data-language-autonym="Galego" data-language-local-name="galiciană" 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%87%E0%AA%B0%E0%AA%BF%E0%AA%AF%E0%AA%AE" title="બેરિયમ – gujarati" lang="gu" hreflang="gu" data-title="બેરિયમ" data-language-autonym="ગુજરાતી" data-language-local-name="gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Baarium" title="Baarium – manx" lang="gv" hreflang="gv" data-title="Baarium" data-language-autonym="Gaelg" data-language-local-name="manx" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Barium" title="Barium – chineză hakka" lang="hak" hreflang="hak" data-title="Barium" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="chineză hakka" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%91%D7%A8%D7%99%D7%95%D7%9D" title="בריום – ebraică" lang="he" hreflang="he" data-title="בריום" data-language-autonym="עברית" data-language-local-name="ebraică" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AC%E0%A5%87%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बेरियम – hindi" lang="hi" hreflang="hi" data-title="बेरियम" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Barium" title="Barium – Fiji Hindi" lang="hif" hreflang="hif" data-title="Barium" 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-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Barij" title="Barij – croată" lang="hr" hreflang="hr" data-title="Barij" data-language-autonym="Hrvatski" data-language-local-name="croată" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Bary%C3%B2m" title="Baryòm – haitiană" lang="ht" hreflang="ht" data-title="Baryòm" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitiană" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/B%C3%A1rium" title="Bárium – maghiară" lang="hu" hreflang="hu" data-title="Bárium" data-language-autonym="Magyar" data-language-local-name="maghiară" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B2%D5%A1%D6%80%D5%AB%D5%B8%D6%82%D5%B4" title="Բարիում – armeană" lang="hy" hreflang="hy" data-title="Բարիում" data-language-autonym="Հայերեն" data-language-local-name="armeană" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Barium" title="Barium – interlingua" lang="ia" hreflang="ia" data-title="Barium" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Barium" title="Barium – indoneziană" lang="id" hreflang="id" data-title="Barium" data-language-autonym="Bahasa Indonesia" data-language-local-name="indoneziană" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Bario" title="Bario – ido" lang="io" hreflang="io" data-title="Bario" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Bar%C3%ADn" title="Barín – islandeză" lang="is" hreflang="is" data-title="Barín" data-language-autonym="Íslenska" data-language-local-name="islandeză" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Bario" title="Bario – italiană" lang="it" hreflang="it" data-title="Bario" data-language-autonym="Italiano" data-language-local-name="italiană" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja badge-Q17437798 badge-goodarticle mw-list-item" title="articol bun"><a href="https://ja.wikipedia.org/wiki/%E3%83%90%E3%83%AA%E3%82%A6%E3%83%A0" title="バリウム – japoneză" lang="ja" hreflang="ja" data-title="バリウム" data-language-autonym="日本語" data-language-local-name="japoneză" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/tijyjinme" title="tijyjinme – lojban" lang="jbo" hreflang="jbo" data-title="tijyjinme" data-language-autonym="La .lojban." data-language-local-name="lojban" class="interlanguage-link-target"><span>La .lojban.</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Barium" title="Barium – javaneză" lang="jv" hreflang="jv" data-title="Barium" data-language-autonym="Jawa" data-language-local-name="javaneză" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%91%E1%83%90%E1%83%A0%E1%83%98%E1%83%A3%E1%83%9B%E1%83%98" title="ბარიუმი – georgiană" lang="ka" hreflang="ka" data-title="ბარიუმი" data-language-autonym="ქართული" data-language-local-name="georgiană" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kaa mw-list-item"><a href="https://kaa.wikipedia.org/wiki/Bariy" title="Bariy – karakalpak" lang="kaa" hreflang="kaa" data-title="Bariy" data-language-autonym="Qaraqalpaqsha" data-language-local-name="karakalpak" class="interlanguage-link-target"><span>Qaraqalpaqsha</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/Par%C9%A9y%C9%94m" title="Parɩyɔm – Kabiye" lang="kbp" hreflang="kbp" data-title="Parɩyɔm" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D0%B9" title="Барий – kazahă" lang="kk" hreflang="kk" data-title="Барий" data-language-autonym="Қазақша" data-language-local-name="kazahă" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AC%E0%B3%87%E0%B2%B0%E0%B2%BF%E0%B2%AF%E0%B2%AE%E0%B3%8D" title="ಬೇರಿಯಮ್ – kannada" lang="kn" hreflang="kn" data-title="ಬೇರಿಯಮ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B0%94%EB%A5%A8" title="바륨 – coreeană" lang="ko" hreflang="ko" data-title="바륨" data-language-autonym="한국어" data-language-local-name="coreeană" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Bary%C3%BBm" title="Baryûm – kurdă" lang="ku" hreflang="ku" data-title="Baryûm" data-language-autonym="Kurdî" data-language-local-name="kurdă" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D0%B9" title="Барий – komi" lang="kv" hreflang="kv" data-title="Барий" data-language-autonym="Коми" data-language-local-name="komi" class="interlanguage-link-target"><span>Коми</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Bariom" title="Bariom – cornică" lang="kw" hreflang="kw" data-title="Bariom" data-language-autonym="Kernowek" data-language-local-name="cornică" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D0%B9" title="Барий – kârgâză" lang="ky" hreflang="ky" data-title="Барий" data-language-autonym="Кыргызча" data-language-local-name="kârgâză" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Barium_(elementum)" title="Barium (elementum) – latină" lang="la" hreflang="la" data-title="Barium (elementum)" data-language-autonym="Latina" data-language-local-name="latină" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Barium" title="Barium – luxemburgheză" lang="lb" hreflang="lb" data-title="Barium" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgheză" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lg mw-list-item"><a href="https://lg.wikipedia.org/wiki/Bariyaamu(Barium)" title="Bariyaamu(Barium) – ganda" lang="lg" hreflang="lg" data-title="Bariyaamu(Barium)" data-language-autonym="Luganda" data-language-local-name="ganda" class="interlanguage-link-target"><span>Luganda</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Barium" title="Barium – limburgheză" lang="li" hreflang="li" data-title="Barium" data-language-autonym="Limburgs" data-language-local-name="limburgheză" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/Bario" title="Bario – liguriană" lang="lij" hreflang="lij" data-title="Bario" data-language-autonym="Ligure" data-language-local-name="liguriană" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Bario" title="Bario – lombardă" lang="lmo" hreflang="lmo" data-title="Bario" data-language-autonym="Lombard" data-language-local-name="lombardă" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BA%9A%E0%BA%B2%E0%BA%A3%E0%BA%BD%E0%BA%A1" title="ບາຣຽມ – laoțiană" lang="lo" hreflang="lo" data-title="ບາຣຽມ" data-language-autonym="ລາວ" data-language-local-name="laoțiană" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Baris" title="Baris – lituaniană" lang="lt" hreflang="lt" data-title="Baris" data-language-autonym="Lietuvių" data-language-local-name="lituaniană" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/B%C4%81rijs" title="Bārijs – letonă" lang="lv" hreflang="lv" data-title="Bārijs" data-language-autonym="Latviešu" data-language-local-name="letonă" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mdf mw-list-item"><a href="https://mdf.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8" title="Бари – moksha" lang="mdf" hreflang="mdf" data-title="Бари" data-language-autonym="Мокшень" data-language-local-name="moksha" class="interlanguage-link-target"><span>Мокшень</span></a></li><li class="interlanguage-link interwiki-mi mw-list-item"><a href="https://mi.wikipedia.org/wiki/Konu-okehu" title="Konu-okehu – maori" lang="mi" hreflang="mi" data-title="Konu-okehu" data-language-autonym="Māori" data-language-local-name="maori" class="interlanguage-link-target"><span>Māori</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/Barium" title="Barium – minangkabau" lang="min" hreflang="min" data-title="Barium" data-language-autonym="Minangkabau" data-language-local-name="minangkabau" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D1%83%D0%BC" title="Бариум – macedoneană" lang="mk" hreflang="mk" data-title="Бариум" data-language-autonym="Македонски" data-language-local-name="macedoneană" 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%87%E0%B4%B0%E0%B4%BF%E0%B4%AF%E0%B4%82" title="ബേരിയം – malayalam" lang="ml" hreflang="ml" data-title="ബേരിയം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8" title="Бари – mongolă" lang="mn" hreflang="mn" data-title="Бари" data-language-autonym="Монгол" data-language-local-name="mongolă" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%AC%E0%A5%87%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बेरियम – marathi" lang="mr" hreflang="mr" data-title="बेरियम" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-mrj mw-list-item"><a href="https://mrj.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D0%B9" title="Барий – Western Mari" lang="mrj" hreflang="mrj" data-title="Барий" 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-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Barium" title="Barium – malaeză" lang="ms" hreflang="ms" data-title="Barium" data-language-autonym="Bahasa Melayu" data-language-local-name="malaeză" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%98%E1%80%B1%E1%80%9B%E1%80%AE%E1%80%9A%E1%80%99%E1%80%BA" title="ဘေရီယမ် – birmană" lang="my" hreflang="my" data-title="ဘေရီယမ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birmană" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Barium" title="Barium – germana de jos" lang="nds" hreflang="nds" data-title="Barium" data-language-autonym="Plattdüütsch" data-language-local-name="germana de jos" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%AC%E0%A5%87%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बेरियम – newari" lang="new" hreflang="new" data-title="बेरियम" data-language-autonym="नेपाल भाषा" data-language-local-name="newari" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Barium" title="Barium – neerlandeză" lang="nl" hreflang="nl" data-title="Barium" data-language-autonym="Nederlands" data-language-local-name="neerlandeză" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Barium" title="Barium – norvegiană nynorsk" lang="nn" hreflang="nn" data-title="Barium" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegiană nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Barium" title="Barium – norvegiană bokmål" lang="nb" hreflang="nb" data-title="Barium" data-language-autonym="Norsk bokmål" data-language-local-name="norvegiană bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nov mw-list-item"><a href="https://nov.wikipedia.org/wiki/Barium" title="Barium – Novial" lang="nov" hreflang="nov" data-title="Barium" data-language-autonym="Novial" data-language-local-name="Novial" class="interlanguage-link-target"><span>Novial</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Bari_(element)" title="Bari (element) – occitană" lang="oc" hreflang="oc" data-title="Bari (element)" data-language-autonym="Occitan" data-language-local-name="occitană" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-olo mw-list-item"><a href="https://olo.wikipedia.org/wiki/Barii" title="Barii – Livvi-Karelian" lang="olo" hreflang="olo" data-title="Barii" data-language-autonym="Livvinkarjala" data-language-local-name="Livvi-Karelian" class="interlanguage-link-target"><span>Livvinkarjala</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Baariyeemii" title="Baariyeemii – oromo" lang="om" hreflang="om" data-title="Baariyeemii" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%AC%E0%AD%8D%E0%AD%9F%E0%AC%BE%E0%AC%B0%E0%AC%BF%E0%AC%85%E0%AC%AE" title="ବ୍ୟାରିଅମ – odia" lang="or" hreflang="or" data-title="ବ୍ୟାରିଅମ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="odia" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-os mw-list-item"><a href="https://os.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8_(%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82)" title="Бари (элемент) – osetă" lang="os" hreflang="os" data-title="Бари (элемент)" data-language-autonym="Ирон" data-language-local-name="osetă" class="interlanguage-link-target"><span>Ирон</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AC%E0%A9%87%E0%A8%B0%E0%A9%80%E0%A8%85%E0%A8%AE" title="ਬੇਰੀਅਮ – punjabi" lang="pa" hreflang="pa" data-title="ਬੇਰੀਅਮ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pi mw-list-item"><a href="https://pi.wikipedia.org/wiki/%E0%A4%AC%E0%A5%87%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बेरियम – pali" lang="pi" hreflang="pi" data-title="बेरियम" data-language-autonym="पालि" data-language-local-name="pali" class="interlanguage-link-target"><span>पालि</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Bar_(pierwiastek)" title="Bar (pierwiastek) – poloneză" lang="pl" hreflang="pl" data-title="Bar (pierwiastek)" data-language-autonym="Polski" data-language-local-name="poloneză" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Bario" title="Bario – Piedmontese" lang="pms" hreflang="pms" data-title="Bario" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A8%DB%8C%D8%B1%DB%8C%D9%85" title="بیریم – Western Punjabi" lang="pnb" hreflang="pnb" data-title="بیریم" 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%DB%90%D8%B1%D9%8A%D9%88%D9%85" title="بېريوم – paștună" lang="ps" hreflang="ps" data-title="بېريوم" data-language-autonym="پښتو" data-language-local-name="paștună" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/B%C3%A1rio" title="Bário – portugheză" lang="pt" hreflang="pt" data-title="Bário" data-language-autonym="Português" data-language-local-name="portugheză" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Paryu" title="Paryu – quechua" lang="qu" hreflang="qu" data-title="Paryu" 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-roa-rup mw-list-item"><a href="https://roa-rup.wikipedia.org/wiki/Bariu" title="Bariu – aromână" lang="rup" hreflang="rup" data-title="Bariu" data-language-autonym="Armãneashti" data-language-local-name="aromână" class="interlanguage-link-target"><span>Armãneashti</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D0%B9" title="Барий – rusă" lang="ru" hreflang="ru" data-title="Барий" data-language-autonym="Русский" data-language-local-name="rusă" 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%87%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="बेरियम – sanscrită" lang="sa" hreflang="sa" data-title="बेरियम" data-language-autonym="संस्कृतम्" data-language-local-name="sanscrită" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D1%83%D0%BC" title="Бариум – sakha" lang="sah" hreflang="sah" data-title="Бариум" data-language-autonym="Саха тыла" data-language-local-name="sakha" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/B%C3%A0riu" title="Bàriu – sardiniană" lang="sc" hreflang="sc" data-title="Bàriu" data-language-autonym="Sardu" data-language-local-name="sardiniană" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Bariu" title="Bariu – siciliană" lang="scn" hreflang="scn" data-title="Bariu" data-language-autonym="Sicilianu" data-language-local-name="siciliană" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Barium" title="Barium – scots" lang="sco" hreflang="sco" data-title="Barium" data-language-autonym="Scots" data-language-local-name="scots" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Barijum" title="Barijum – sârbo-croată" lang="sh" hreflang="sh" data-title="Barijum" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="sârbo-croată" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Barium" title="Barium – Simple English" lang="en-simple" hreflang="en-simple" data-title="Barium" 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/B%C3%A1rium" title="Bárium – slovacă" lang="sk" hreflang="sk" data-title="Bárium" data-language-autonym="Slovenčina" data-language-local-name="slovacă" 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/Barij" title="Barij – slovenă" lang="sl" hreflang="sl" data-title="Barij" data-language-autonym="Slovenščina" data-language-local-name="slovenă" 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/Baariyaam" title="Baariyaam – somaleză" lang="so" hreflang="so" data-title="Baariyaam" data-language-autonym="Soomaaliga" data-language-local-name="somaleză" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Bariumi" title="Bariumi – albaneză" lang="sq" hreflang="sq" data-title="Bariumi" data-language-autonym="Shqip" data-language-local-name="albaneză" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D1%98%D1%83%D0%BC" title="Баријум – sârbă" lang="sr" hreflang="sr" data-title="Баријум" data-language-autonym="Српски / srpski" data-language-local-name="sârbă" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Barium" title="Barium – Saterland Frisian" lang="stq" hreflang="stq" data-title="Barium" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Barium" title="Barium – suedeză" lang="sv" hreflang="sv" data-title="Barium" data-language-autonym="Svenska" data-language-local-name="suedeză" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Bari" title="Bari – swahili" lang="sw" hreflang="sw" data-title="Bari" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%87%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D" title="பேரியம் – tamilă" lang="ta" hreflang="ta" data-title="பேரியம்" data-language-autonym="தமிழ்" data-language-local-name="tamilă" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AC%E0%B1%87%E0%B0%B0%E0%B0%BF%E0%B0%AF%E0%B0%82" title="బేరియం – telugu" lang="te" hreflang="te" data-title="బేరియం" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D0%B9" title="Барий – tadjică" lang="tg" hreflang="tg" data-title="Барий" data-language-autonym="Тоҷикӣ" data-language-local-name="tadjică" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%81%E0%B8%9A%E0%B9%80%E0%B8%A3%E0%B8%B5%E0%B8%A2%E0%B8%A1" title="แบเรียม – thailandeză" lang="th" hreflang="th" data-title="แบเรียม" data-language-autonym="ไทย" data-language-local-name="thailandeză" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Baryo_(elemento)" title="Baryo (elemento) – tagalog" lang="tl" hreflang="tl" data-title="Baryo (elemento)" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Baryum" title="Baryum – turcă" lang="tr" hreflang="tr" data-title="Baryum" data-language-autonym="Türkçe" data-language-local-name="turcă" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D0%B9" title="Барий – tătară" lang="tt" hreflang="tt" data-title="Барий" data-language-autonym="Татарча / tatarça" data-language-local-name="tătară" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D8%A8%D8%A7%D8%B1%D9%89%D9%8A" title="بارىي – uigură" lang="ug" hreflang="ug" data-title="بارىي" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="uigură" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D1%96%D0%B9" title="Барій – ucraineană" lang="uk" hreflang="uk" data-title="Барій" data-language-autonym="Українська" data-language-local-name="ucraineană" 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%DB%8C%D8%B1%DB%8C%D8%A6%D9%85" title="بیریئم – urdu" lang="ur" hreflang="ur" data-title="بیریئم" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Bariy" title="Bariy – uzbecă" lang="uz" hreflang="uz" data-title="Bariy" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbecă" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Barii" title="Barii – Veps" lang="vep" hreflang="vep" data-title="Barii" 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 badge-Q17437798 badge-goodarticle mw-list-item" title="articol bun"><a href="https://vi.wikipedia.org/wiki/Bari" title="Bari – vietnameză" lang="vi" hreflang="vi" data-title="Bari" data-language-autonym="Tiếng Việt" data-language-local-name="vietnameză" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Bariom" title="Bariom – valonă" lang="wa" hreflang="wa" data-title="Bariom" data-language-autonym="Walon" data-language-local-name="valonă" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Baryo_(elemento)" title="Baryo (elemento) – waray" lang="war" hreflang="war" data-title="Baryo (elemento)" 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/%E9%92%A1" title="钡 – chineză wu" lang="wuu" hreflang="wuu" data-title="钡" data-language-autonym="吴语" data-language-local-name="chineză wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%91%D0%B0%D1%80%D0%B8%D1%83%D0%BC" title="Бариум – calmucă" lang="xal" hreflang="xal" data-title="Бариум" data-language-autonym="Хальмг" data-language-local-name="calmucă" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%91%D7%90%D7%A8%D7%99%D7%95%D7%9D" title="באריום – idiș" lang="yi" hreflang="yi" data-title="באריום" data-language-autonym="ייִדיש" data-language-local-name="idiș" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/Barium" title="Barium – yoruba" lang="yo" hreflang="yo" data-title="Barium" data-language-autonym="Yorùbá" data-language-local-name="yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%92%A1" title="钡 – chineză" lang="zh" hreflang="zh" data-title="钡" data-language-autonym="中文" data-language-local-name="chineză" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E9%8B%87" title="鋇 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="鋇" 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-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Barium" title="Barium – chineză min nan" lang="nan" hreflang="nan" data-title="Barium" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="chineză min nan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%8B%87" title="鋇 – cantoneză" lang="yue" hreflang="yue" data-title="鋇" data-language-autonym="粵語" data-language-local-name="cantoneză" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/UmBhanya" title="UmBhanya – zulu" lang="zu" hreflang="zu" data-title="UmBhanya" data-language-autonym="IsiZulu" data-language-local-name="zulu" class="interlanguage-link-target"><span>IsiZulu</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1112#sitelinks-wikipedia" title="Modifică legăturile interlinguale" class="wbc-editpage">Modifică legăturile</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Spații de nume"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Bariu" title="Vedeți conținutul paginii [a]" accesskey="a"><span>Articol</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discu%C8%9Bie:Bariu" rel="discussion" title="Discuții despre această pagină [t]" accesskey="t"><span>Discuție</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">română</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Vizualizări"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Bariu"><span>Lectură</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Bariu&veaction=edit" title="Modificați această pagină cu EditorulVizual [v]" accesskey="v"><span>Modificare</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Bariu&action=edit" title="Modificați codul sursă al acestei pagini [e]" accesskey="e"><span>Modificare sursă</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Bariu&action=history" title="Versiunile anterioare ale paginii și autorii lor. [h]" accesskey="h"><span>Istoric</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Unelte" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Unelte</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Unelte</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">mută în bara laterală</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">ascunde</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Mai multe opțiuni" > <div class="vector-menu-heading"> Acțiuni </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Bariu"><span>Lectură</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Bariu&veaction=edit" title="Modificați această pagină cu EditorulVizual [v]" accesskey="v"><span>Modificare</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Bariu&action=edit" title="Modificați codul sursă al acestei pagini [e]" accesskey="e"><span>Modificare sursă</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Bariu&action=history"><span>Istoric</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:Ce_se_leag%C4%83_aici/Bariu" title="Lista tuturor paginilor wiki care conduc spre această pagină [j]" accesskey="j"><span>Ce trimite aici</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:Modific%C4%83ri_corelate/Bariu" rel="nofollow" title="Schimbări recente în legătură cu această pagină [k]" accesskey="k"><span>Schimbări corelate</span></a></li><li id="t-upload" class="mw-list-item"><a href="//ro.wikipedia.org/wiki/Wikipedia:Trimite_fișier" title="Încărcare fișiere [u]" accesskey="u"><span>Trimite fișier</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Bariu&oldid=15678966" title="Legătură permanentă către această versiune a acestei pagini"><span>Legătură permanentă</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Bariu&action=info" title="Mai multe informații despre această pagină"><span>Informații despre pagină</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Citeaz%C4%83&page=Bariu&id=15678966&wpFormIdentifier=titleform" title="Informații cu privire la modul de citare a acestei pagini"><span>Citează acest articol</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fro.wikipedia.org%2Fwiki%2FBariu"><span>Obține URL scurtat</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fro.wikipedia.org%2Fwiki%2FBariu"><span>Descărcați codul QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Tipărire/exportare </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Carte&bookcmd=book_creator&referer=Bariu"><span>Creare carte</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Bariu&action=show-download-screen"><span>Descărcare ca PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Bariu&printable=yes" title="Versiunea de tipărit a acestei pagini [p]" accesskey="p"><span>Versiune de tipărit</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> În alte proiecte </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Barium" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1112" title="Legătură către elementul asociat din depozitul de date [g]" accesskey="g"><span>Element Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspect"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aspect</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mută în bara laterală</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ascunde</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">De la Wikipedia, enciclopedia liberă</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="ro" dir="ltr"><table class="infocaseta" cellspacing="2"> <tbody><tr> <td colspan="2" class="antet stiinteexacte" style="background-color:#ffdead">Bariu </td></tr> <tr> <td colspan="2" style="text-align:center;"><span typeof="mw:File"><a href="/wiki/Fi%C8%99ier:Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/16/Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg/200px-Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg" decoding="async" width="200" height="116" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/16/Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg/300px-Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/16/Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg/400px-Barium_unter_Argon_Schutzgas_Atmosph%C3%A4re.jpg 2x" data-file-width="793" data-file-height="460" /></a></span><br /> </td></tr> <tr> <td colspan="2"> <table align="center" cellpadding="0" cellspacing="0" width="100%" style="background:#f9f9f9"> <tbody><tr> <td colspan="2" align="center" style="padding-bottom:0.5em;"><a href="/wiki/Cesiu" title="Cesiu">Cesiu</a> ← <b>Bariu</b> → <a href="/wiki/Lantan" title="Lantan">Lantan</a> </td></tr> <tr> <td style="valign:middle; text-align:center;"><a href="/wiki/Stron%C8%9Biu" title="Stronțiu">Sr</a> </td> <td align="center" rowspan="3"> <table border="0" cellpadding="0" cellspacing="1" align="center" style="border-collapse:separate;width:248px;background-color:transparent;"> <tbody><tr> <td style="padding:0;width:7px;height:9px;border:none;background-color:#a0ffa0;"><a href="/wiki/Hidrogen" title="Hidrogen"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="border:none;width:7px;padding:0;background-color:transparent;"> </td> <td rowspan="3" style="border:none;width:7px;padding:0;background-color:transparent;"> </td> <td colspan="14" rowspan="5" style="border:none;padding:0;background-color:transparent;">  </td> <td colspan="9" rowspan="3" style="border:none;text-align:center;padding:0;background-color:transparent;"> <table align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:transparent;"> <tbody><tr> <td style="font-size:10pt;border:none;padding:0;line-height:1em;background-color:transparent;"> <br />56</td> <td style="font-size:16pt;border:none;padding:0;line-height:1em;background-color:transparent;"><b>Ba</b></td></tr></tbody></table> </td> <td colspan="5" style="border:none;padding:0;background-color:transparent;"> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#c0ffff;"><a href="/wiki/Heliu" title="Heliu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr> <tr> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff6666;"><a href="/wiki/Litiu" title="Litiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffdead;"><a href="/wiki/Beriliu" title="Beriliu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#cccc99;"><a href="/wiki/Bor_(element)" title="Bor (element)"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#a0ffa0;"><a href="/wiki/Carbon" title="Carbon"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#a0ffa0;"><a href="/wiki/Azot" title="Azot"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#a0ffa0;"><a href="/wiki/Oxigen" title="Oxigen"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffff99;"><a href="/wiki/Fluor" title="Fluor"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#c0ffff;"><a href="/wiki/Neon" title="Neon"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr> <tr> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff6666;"><a href="/wiki/Sodiu" title="Sodiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffdead;"><a href="/wiki/Magneziu" title="Magneziu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#cccccc;"><a href="/wiki/Aluminiu" title="Aluminiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#cccc99;"><a href="/wiki/Siliciu" title="Siliciu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#a0ffa0;"><a href="/wiki/Fosfor" title="Fosfor"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#a0ffa0;"><a href="/wiki/Sulf" title="Sulf"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffff99;"><a href="/wiki/Clor" title="Clor"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#c0ffff;"><a href="/wiki/Argon" title="Argon"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr> <tr> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff6666;"><a href="/wiki/Potasiu" title="Potasiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffdead;"><a href="/wiki/Calciu" title="Calciu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffc0c0;"><a href="/wiki/Scandiu" title="Scandiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffc0c0;"><a href="/wiki/Titan" title="Titan"><span style="float: left; width: 7px; height: 9px; 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class="mw-redirect" title="Toriu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Protactiniu" title="Protactiniu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Uraniu" title="Uraniu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Neptuniu" title="Neptuniu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Plutoniu" title="Plutoniu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Americiu" title="Americiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Curiu" title="Curiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Berkeliu" title="Berkeliu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Californiu" title="Californiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Einsteiniu" title="Einsteiniu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Fermiu" title="Fermiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Mendeleeviu" class="mw-redirect" title="Mendeleeviu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Nobeliu" title="Nobeliu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ff99cc;"><a href="/wiki/Lawren%C8%9Biu" class="mw-redirect" title="Lawrențiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffc0c0;"><a href="/wiki/Rutherfordiu" title="Rutherfordiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffc0c0;"><a href="/wiki/Dubniu" title="Dubniu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffc0c0;"><a href="/wiki/Seaborgiu" title="Seaborgiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffc0c0;"><a href="/wiki/Bohriu" title="Bohriu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffc0c0;"><a href="/wiki/Hassiu" title="Hassiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffc0c0;"><a href="/wiki/Meitneriu" title="Meitneriu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffc0c0;"><a href="/wiki/Darmstadtiu" title="Darmstadtiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffc0c0;"><a href="/wiki/Roentgeniu" title="Roentgeniu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#ffc0c0;"><a href="/wiki/Coperniciu" title="Coperniciu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#cccccc;"><a href="/wiki/Ununtriu" class="mw-redirect" title="Ununtriu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#cccccc;"><a href="/wiki/Fleroviu" title="Fleroviu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#E8E8E8;"><a href="/wiki/Ununpentiu" class="mw-redirect" title="Ununpentiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#cccccc;"><a href="/wiki/Livermoriu" title="Livermoriu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#fcfecc;"><a href="/wiki/Ununseptiu" class="mw-redirect" title="Ununseptiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td> <td style="padding:0;width:7px;height:9px;border:none;background-color:#c0ffff;"><a href="/wiki/Ununoctiu" class="mw-redirect" title="Ununoctiu"><span style="float: left; width: 7px; height: 9px; font-size: 9px; line-height: 9px; word-spacing: 3px; cursor: pointer;"> </span></a> </td></tr></tbody></table> </td></tr> <tr> <td style="valign:middle; text-align:center;"><b>Ba</b> </td></tr> <tr> <td style="valign:middle; text-align:center;"><a href="/wiki/Radiu" title="Radiu">Ra</a> </td></tr> <tr> <td colspan="2" align="center" style="padding-top:0.5em;"><a href="/wiki/Tabelul_periodic_al_elementelor" title="Tabelul periodic al elementelor">Tabelul complet</a> • <a href="/wiki/Tabelul_periodic_al_elementelor_(extins)" title="Tabelul periodic al elementelor (extins)">Tabelul extins</a> </td></tr></tbody></table> </td></tr> <tr> <th colspan="2" style="background-color:#ffdead; text-align: center; padding: 3px; line-height: 15px;">Informații generale </th></tr> <tr> <td width="60%"><a href="/wiki/Lista_elementelor_chimice_dup%C4%83_nume" title="Lista elementelor chimice după nume">Nume</a>, <a href="/wiki/Tabelul_periodic_al_elementelor" title="Tabelul periodic al elementelor">Simbol</a>, <a href="/wiki/Num%C4%83r_atomic" title="Număr atomic">Număr</a> </td> <td width="40%">Bariu, Ba, 56 </td></tr> <tr> <td><a href="/wiki/Serie_chimic%C4%83" title="Serie chimică">Serie chimică</a> </td> <td>Metale alcalino-pământoase </td></tr> <tr> <td><a href="/wiki/Grupele_tabelului_periodic" class="mw-redirect" title="Grupele tabelului periodic">Grupă</a>, <a href="/wiki/Perioadele_tabelului_periodic" class="mw-redirect" title="Perioadele tabelului periodic">Perioadă</a>, <a href="/wiki/Blocurile_tabelului_periodic" class="mw-redirect" title="Blocurile tabelului periodic">Bloc</a> </td> <td>2, 6, s </td></tr> <tr> <td><a href="/wiki/Densitate" title="Densitate">Densitate</a> </td> <td>3500 <a href="/wiki/Kilogram_pe_metru_cub" title="Kilogram pe metru cub">kg/m³</a> </td></tr> <tr> <td><a href="/wiki/Culoare" title="Culoare">Culoare</a> </td> <td>Argintiu </td></tr> <tr> <td><a href="/wiki/Num%C4%83r_CAS" class="mw-redirect" title="Număr CAS">Număr CAS</a> </td> <td>7440-39-3 </td></tr> <tr style="display:none;"> <td><a href="/w/index.php?title=Num%C4%83r_EINECS&action=edit&redlink=1" class="new" title="Număr EINECS — pagină inexistentă">Număr EINECS</a> </td> <td> </td></tr> <tr> <th colspan="2" style="background-color:#ffdead; text-align: center; padding: 3px; line-height: 15px;">Proprietăți atomice </th></tr> <tr style="display:none;"> <td><a href="/wiki/Mas%C4%83_atomic%C4%83" title="Masă atomică">Masă atomică</a> </td> <td><a href="/wiki/Unitate_atomic%C4%83_de_mas%C4%83" title="Unitate atomică de masă">u</a> </td></tr> <tr> <td><a href="/wiki/Raz%C4%83_atomic%C4%83" title="Rază atomică">Rază atomică</a> </td> <td>222 <a href="/wiki/Picometru" title="Picometru">pm</a> </td></tr> <tr> <td><a href="/wiki/Raz%C4%83_de_covalen%C8%9B%C4%83" class="mw-redirect" title="Rază de covalență">Rază de covalență</a> </td> <td>198 <a href="/wiki/Picometru" title="Picometru">pm</a> </td></tr> <tr> <td><a href="/wiki/Raz%C4%83_van_der_Waals" title="Rază van der Waals">Rază van der Waals</a> </td> <td>268 <a href="/wiki/Picometru" title="Picometru">pm</a> </td></tr> <tr> <td><a href="/wiki/Configura%C8%9Bie_electronic%C4%83" title="Configurație electronică">Configurație electronică</a> </td> <td>[Xe]6s<small><sup>2</sup></small><br /> </td></tr> <tr style="display:none;"> <td><a href="/wiki/Electron" title="Electron">Electroni</a> pe <a href="/wiki/Nivel_de_energie" title="Nivel de energie">nivelul de energie</a> </td> <td> </td></tr> <tr style="display:none;"> <td><a href="/wiki/Num%C4%83r_de_oxidare" title="Număr de oxidare">Număr de oxidare</a> </td> <td> </td></tr> <tr style="display:none;"> <td><a href="/wiki/Oxid" title="Oxid">Oxid</a> </td> <td> </td></tr> <tr style="display:none;"> <td><a href="/wiki/Structur%C4%83_cristalin%C4%83" title="Structură cristalină">Structură cristalină</a> </td> <td> </td></tr> <tr> <th colspan="2" style="background-color:#ffdead; text-align: center; padding: 3px; line-height: 15px;">Proprietăți fizice </th></tr> <tr style="display:none;"> <td><a href="/wiki/Stare_de_agregare" title="Stare de agregare">Fază ordinară</a> </td> <td> </td></tr> <tr> <td><a href="/wiki/Punct_de_topire" title="Punct de topire">Punct de topire</a> </td> <td>727°C ; 1000.15 <a href="/wiki/Kelvin" title="Kelvin">K</a> </td></tr> <tr> <td><a href="/wiki/Punct_de_fierbere" title="Punct de fierbere">Punct de fierbere</a> </td> <td>1897°C ; 2170.15 <a href="/wiki/Kelvin" title="Kelvin">K</a> </td></tr> <tr style="display:none;"> <td><a href="/w/index.php?title=Energie_de_fuziune&action=edit&redlink=1" class="new" title="Energie de fuziune — pagină inexistentă">Energie de fuziune</a> </td> <td><a href="/wiki/Joule_pe_mol" title="Joule pe mol">kJ/mol</a> </td></tr> <tr style="display:none;"> <td><a href="/w/index.php?title=Energie_de_evaporare&action=edit&redlink=1" class="new" title="Energie de evaporare — pagină inexistentă">Energie de evaporare</a> </td> <td><a href="/wiki/Joule_pe_mol" title="Joule pe mol">kJ/mol</a> </td></tr> <tr style="display:none;"> <td><a href="/w/index.php?title=Temperatur%C4%83_critic%C4%83&action=edit&redlink=1" class="new" title="Temperatură critică — pagină inexistentă">Temperatură critică</a> </td> <td> <a href="/wiki/Kelvin" title="Kelvin">K</a> </td></tr> <tr style="display:none;"> <td><a href="/w/index.php?title=Presiune_critic%C4%83&action=edit&redlink=1" class="new" title="Presiune critică — pagină inexistentă">Presiune critică</a> </td> <td> <a href="/wiki/Pascal_(unitate)" class="mw-redirect" title="Pascal (unitate)">Pa</a> </td></tr> <tr style="display:none;"> <td><a href="/wiki/Volum_molar" title="Volum molar">Volum molar</a> </td> <td><a href="/w/index.php?title=Metru_cub_pe_kmol&action=edit&redlink=1" class="new" title="Metru cub pe kmol — pagină inexistentă">m³/kmol</a> </td></tr> <tr style="display:none;"> <td><a href="/wiki/Presiune_de_vapori" title="Presiune de vapori">Presiune de vapori</a> </td> <td> </td></tr> <tr style="display:none;"> <td><a href="/wiki/Viteza_sunetului" title="Viteza sunetului">Viteza sunetului</a> </td> <td><a href="/w/index.php?title=Metru_pe_secund%C4%83&action=edit&redlink=1" class="new" title="Metru pe secundă — pagină inexistentă">m/s</a> la 20 <a href="/wiki/Grad_Celsius" class="mw-redirect" title="Grad Celsius">°C</a> </td></tr> <tr style="display:none;"> <td>Forță <a href="/wiki/Magnet" title="Magnet">magnetică</a> </td> <td> </td></tr> <tr> <th colspan="2" style="background-color:#ffdead; text-align: center; padding: 3px; line-height: 15px;">Informații diverse </th></tr> <tr style="display:none;"> <td><a href="/wiki/Electronegativitate" title="Electronegativitate">Electronegativitate</a> <small>(<a href="/w/index.php?title=Scara_lui_Pauling&action=edit&redlink=1" class="new" title="Scara lui Pauling — pagină inexistentă">Pauling</a>)</small> </td> <td> </td></tr> <tr style="display:none;"> <td><a href="/wiki/Capacitate_termic%C4%83_masic%C4%83" title="Capacitate termică masică">Capacitate termică masică</a> </td> <td><a href="/w/index.php?title=Joule_pe_kilogram-kelvin&action=edit&redlink=1" class="new" title="Joule pe kilogram-kelvin — pagină inexistentă">J/(kg·K)</a> </td></tr> <tr> <td><a href="/wiki/Conductivitate_electric%C4%83" title="Conductivitate electrică">Conductivitate electrică</a> </td> <td>2.9 ⋅ 10<sup><small>6</small></sup> <a href="/wiki/Siemens_(unitate)" class="mw-redirect" title="Siemens (unitate)">S</a>/m </td></tr> <tr style="display:none;"> <td><a href="/wiki/Conductivitate_termic%C4%83" title="Conductivitate termică">Conductivitate termică</a> </td> <td><a href="/w/index.php?title=Watt_pe_metru-kelvin&action=edit&redlink=1" class="new" title="Watt pe metru-kelvin — pagină inexistentă">W/(m·K)</a> </td></tr> <tr class="hiddenStructure"> <td>Prima <a href="/wiki/Energie_de_ionizare" title="Energie de ionizare">energie de ionizare</a> </td> <td>{{{potențial_de_ionizare_1}}} <a href="/wiki/Joule_pe_mol" title="Joule pe mol">kJ/mol</a> </td></tr> <tr class="hiddenStructure"> <td>A 2-a <a href="/wiki/Energie_de_ionizare" title="Energie de ionizare">energie de ionizare</a> </td> <td>{{{potențial_de_ionizare_2}}} <a href="/wiki/Joule_pe_mol" title="Joule pe mol">kJ/mol</a> </td></tr> <tr class="hiddenStructure"> <td>A 3-a <a href="/wiki/Energie_de_ionizare" title="Energie de ionizare">energie de ionizare</a> </td> <td>{{{potențial_de_ionizare_3}}} <a href="/wiki/Joule_pe_mol" title="Joule pe mol">kJ/mol</a> </td></tr> <tr class="hiddenStructure"> <td>A 4-a <a href="/wiki/Energie_de_ionizare" title="Energie de ionizare">energie de ionizare</a> </td> <td>{{{potențial_de_ionizare_4}}} <a href="/wiki/Joule_pe_mol" title="Joule pe mol">kJ/mol</a> </td></tr> <tr class="hiddenStructure"> <td>A 5-a <a href="/wiki/Energie_de_ionizare" title="Energie de ionizare">energie de ionizare</a> </td> <td>{{{potențial_de_ionizare_5}}} <a href="/wiki/Joule_pe_mol" title="Joule pe mol">kJ/mol</a> </td></tr> <tr class="hiddenStructure"> <td>A 6-a <a href="/wiki/Energie_de_ionizare" title="Energie de ionizare">energie de ionizare</a> </td> <td>{{{potențial_de_ionizare_6}}} <a href="/wiki/Joule_pe_mol" title="Joule pe mol">kJ/mol</a> </td></tr> <tr class="hiddenStructure"> <td>A 7-a <a href="/wiki/Energie_de_ionizare" title="Energie de ionizare">energie de ionizare</a> </td> <td>{{{potențial_de_ionizare_7}}} <a href="/wiki/Joule_pe_mol" title="Joule pe mol">kJ/mol</a> </td></tr> <tr class="hiddenStructure"> <td>A 8-a <a href="/wiki/Energie_de_ionizare" title="Energie de ionizare">energie de ionizare</a> </td> <td>{{{potențial_de_ionizare_8}}} <a href="/wiki/Joule_pe_mol" title="Joule pe mol">kJ/mol</a> </td></tr> <tr class="hiddenStructure"> <td>A 9-a <a href="/wiki/Energie_de_ionizare" title="Energie de ionizare">energie de ionizare</a> </td> <td>{{{potențial_de_ionizare_9}}} <a href="/wiki/Joule_pe_mol" title="Joule pe mol">kJ/mol</a> </td></tr> <tr class="hiddenStructure"> <td>A 10-a <a href="/wiki/Energie_de_ionizare" title="Energie de ionizare">energie de ionizare</a> </td> <td>{{{potențial_de_ionizare_10}}} <a href="/wiki/Joule_pe_mol" title="Joule pe mol">kJ/mol</a> </td></tr> <tr style="display:none;"> <th colspan="2" style="background-color:#ffdead; text-align: center; padding: 3px; line-height: 15px;">Precauții </th></tr> <tr style="display:none;"> <td><a href="/wiki/NFPA_704" title="NFPA 704">NFPA 704</a> </td> <td> </td></tr> <tr> <td colspan="2" style="text-align:center; border-top: 2px #ffdead solid; font-size: 80%;"><i>Unitățile <a href="/wiki/Sistemul_interna%C8%9Bional_de_unit%C4%83%C8%9Bi" title="Sistemul internațional de unități">SI</a> și condiții de temperatură și presiune normale dacă nu s-a specificat altfel.</i> </td></tr> <tr><td class="navigation-only" colspan="2" style="border-top: 2px #FFFFFF solid; font-size: 80%; background:inherit; color:var(--color-base, #000); text-align: right;"><span class="plainlinks" style="float:left;">Modifică <a class="external text" href="https://ro.wikipedia.org/w/index.php?title=Bariu&action=edit&section=0">text</a></span> <span title="Consultați documentația formatului"><span typeof="mw:File"><a href="//ro.wikipedia.org/wiki/Format:Infocaseta_Element_chimic" title="Consultați documentația formatului"><img alt="Consultați documentația formatului" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Gtk-dialog-info.svg/12px-Gtk-dialog-info.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Gtk-dialog-info.svg/18px-Gtk-dialog-info.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Gtk-dialog-info.svg/24px-Gtk-dialog-info.svg.png 2x" data-file-width="60" data-file-height="60" /></a></span></span></td> </tr></tbody></table><style data-mw-deduplicate="TemplateStyles:r16861271">.mw-parser-output .infocaseta{background:var(--background-color-neutral-subtle,#f8f9fa);color:var(--color-base,#000)}.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%}body.skin-minerva .mw-parser-output .infobox-header,body.skin-minerva .mw-parser-output .infobox-subheader,body.skin-minerva .mw-parser-output .infobox-above,body.skin-minerva .mw-parser-output .infobox-title,body.skin-minerva .mw-parser-output .infobox-image,body.skin-minerva .mw-parser-output .infobox-full-data,body.skin-minerva .mw-parser-output .infobox-below{text-align:center}</style> <p><b>Bariul</b> (din gr. βαρύς: "greu", din cauza densității mineralului <a href="/wiki/Baritina" class="mw-redirect" title="Baritina">barita</a> ) este un <a href="/wiki/Element_chimic" title="Element chimic">element chimic</a> cu simbolul Ba și <a href="/wiki/Num%C4%83rul_atomic" class="mw-redirect" title="Numărul atomic">numărul atomic</a> 56. În <a href="/wiki/Tabelul_periodic_al_elementelor" title="Tabelul periodic al elementelor">tabelul periodic al elementelor</a> se găsește în perioada a șasea și grupa a II-a principală, fiind astfel un <a href="/wiki/Metal_alcalino-p%C4%83m%C3%A2ntos" title="Metal alcalino-pământos">metal alcalino-pământos</a>. A fost identificat pentru prima oară de către <a href="/wiki/Carl_Wilhelm_Scheele" title="Carl Wilhelm Scheele">Carl Wilhelm Scheele</a>. Bariu este în stare liberă metalic, strălucitor și de culoare alb-argintie. În natură nu se găsește, în stare liberă, din cauza reactivității sale ridicate. Bariul metalic este ușor inflamabil. Combinațiile sale solubile sunt toxice. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Istorie">Istorie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=1" title="Modifică secțiunea: Istorie" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=1" title="Edit section's source code: Istorie"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Mineral" title="Mineral">Mineralele</a> de bariu au fost examinate pentru prima dată în anul 1602, de către pantofarul și <a href="/wiki/Alchimie" title="Alchimie">alchemistul</a> italian <a href="/w/index.php?title=Vicenzo_Casciarolo&action=edit&redlink=1" class="new" title="Vicenzo Casciarolo — pagină inexistentă">Vicenzo Casciarolo</a>. Acesta a observat că mineralele strălucesc în întuneric dupa încălzire. Prin publicația lui <a href="/wiki/Ulisse_Aldrovandi" title="Ulisse Aldrovandi">Ulisse Aldrovandi</a> au devenit cunoscute sub numele de "pietre boloneze". Era vorba despre barita, care la încălzirea cu substanțe organice, devine fosfores¬centă. În 1774 chimistul suedez <a href="/wiki/Carl_Wilhelm_Scheele" title="Carl Wilhelm Scheele">Carl Wilhelm Scheele</a>, prin examinarea <a href="/wiki/Gips" class="mw-redirect" title="Gips">gipsului</a>, a identificat oxidul de bariu (BaO). Doi ani mai târziu <a href="/wiki/Johan_Gottlieb_Gahn" title="Johan Gottlieb Gahn">Johan Gottlieb Gahn</a> a descoperit aceeași combinație, prin examinări asemănătoare. De asemenea în secolul 18 <a href="/wiki/Mineralogie" title="Mineralogie">mineralogul</a> englez <a href="/wiki/William_Withering" title="William Withering">William Withering</a> a observat în minele de <a href="/wiki/Plumb" title="Plumb">plumb</a> din <a href="/wiki/Cumberland" title="Cumberland">Cumberland</a>, un mineral greu. Deoarece nu putea fii <a href="/wiki/Minereu" title="Minereu">minereu</a> de plumb, Withering l-a denumit "terra ponderosa". Minereul este cunoscut astăzi sub numele de <a href="/w/index.php?title=Witerita&action=edit&redlink=1" class="new" title="Witerita — pagină inexistentă">witerita</a> (Carbonatul de bariu BaCO<sub>3</sub>). Bariu metalic a fost obținut pentru prima dată în 1808 de către Sir <a href="/wiki/Humphry_Davy" title="Humphry Davy">Humphry Davy</a> în <a href="/wiki/Anglia" title="Anglia">Anglia</a>, prin <a href="/wiki/Electroliza" class="mw-redirect" title="Electroliza">electroliza</a> unui amestec alcătuit din oxid de bariu (BaO) și oxid de mercur (HgO). Numele de bariu i-a fost dat după mineralul său, <a href="/wiki/Baritina" class="mw-redirect" title="Baritina">barita</a>. <a href="/wiki/Robert_Bunsen" title="Robert Bunsen">Robert Bunsen</a> și <a href="/w/index.php?title=Augustus_Matthiessen&action=edit&redlink=1" class="new" title="Augustus Matthiessen — pagină inexistentă">Augustus Matthiessen</a> au obținut bariu în stare pură în anul 1855, prin electroliza unui amestec, format din clorură de bariu (BaCl<sub>2</sub>) și <a href="/wiki/Clorur%C4%83_de_amoniu" title="Clorură de amoniu">clorură de amoniu</a> (NH<sub>4</sub>Cl). În 1910 <a href="/wiki/Marie_Curie" title="Marie Curie">Marie Curie</a> izolează <a href="/wiki/Radiu" title="Radiu">radiu</a>, într-un amestec cu bariu. Metalul a jucat un rol important și în anul 1938 în experimentele nucleare ale lui <a href="/w/index.php?title=Otto_Hahns&action=edit&redlink=1" class="new" title="Otto Hahns — pagină inexistentă">Otto Hahns</a> și <a href="/wiki/Fritz_Stra%C3%9Fmann" class="mw-redirect" title="Fritz Straßmann">Fritz Straßmann</a>. Ei au bombardat încet <a href="/wiki/Uraniu" title="Uraniu">uraniu</a> cu neutroni și spre marea lor surpriză printre produșii de reacție s-a găsit și bariu. Găsirea a fost interpretată de ei ca o divizare corecta a nucleului de uraniu. </p> <div class="mw-heading mw-heading2"><h2 id="Răspândire_în_natură"><span id="R.C4.83sp.C3.A2ndire_.C3.AEn_natur.C4.83"></span>Răspândire în natură</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=2" title="Modifică secțiunea: Răspândire în natură" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=2" title="Edit section's source code: Răspândire în natură"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Din cauza reactivității sale crescute, bariu nu se găsește în natură în stare liberă, ci doar sub forma unor compuși. Cu o pondere de aproximativ 0,039%, bariu este al 14-lea cel mai întâlnit element al <a href="/wiki/Scoar%C8%9Ba_terestr%C4%83" title="Scoarța terestră">scoarței terestre</a>. Bariu se găsește în <a href="/wiki/Baritina" class="mw-redirect" title="Baritina">barită</a> (sulfat de bariu cristalizat BaSO<sub>4</sub>), din care se și obține cel mai des, și <a href="/wiki/Witerit%C4%83" title="Witerită">witerită</a> (carbonat de bariu BaCO<sub>3</sub>). Producția mondială anuală de barită a crescut în ultimii 30 de ani de la aproximativ 4,8 milioane tone (1973) la 6,7 milioane tone (2003). Rezervele mondiale sunt estimate la 2 miliarde tone. Descompunerea compușilor de bariu se realizează pretutindeni; principalele țări producătoare de bariu sunt: <a href="/wiki/China" title="China">China</a>, <a href="/wiki/Mexic" title="Mexic">Mexic</a>, <a href="/wiki/India" title="India">India</a>, <a href="/wiki/Turcia" title="Turcia">Turcia</a>, <a href="/wiki/USA" class="mw-redirect" title="USA">USA</a>, <a href="/wiki/Germania" title="Germania">Germania</a>, <a href="/wiki/Cehia" title="Cehia">Cehia</a>, <a href="/wiki/Maroc" title="Maroc">Maroc</a>, <a href="/wiki/Irlanda" title="Irlanda">Irlanda</a>, <a href="/wiki/Italia" title="Italia">Italia</a> și <a href="/wiki/Fran%C8%9Ba" title="Franța">Franța</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Metode_de_obținere"><span id="Metode_de_ob.C8.9Binere"></span>Metode de obținere</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=3" title="Modifică secțiunea: Metode de obținere" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=3" title="Edit section's source code: Metode de obținere"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Anual se obțin 4-6 milioane tone de sulfat de bariu (BaSO<sub>4</sub>). Din această cantitate doar o mică parte este transformată în metal. Obținerea metalului din carbonatul de bariu (BaCO<sub>3</sub>) este mai simplă, dar în natură acesta se găsește mai greu decât sulfatul de bariu (BaSO<sub>4</sub>). Practic se obține bariu din barită, care este transformată în oxid de bariu (BaO) și redusă cu ajutorul <a href="/wiki/Siliciu" title="Siliciu">siliciului</a> și <a href="/wiki/Aluminiu" title="Aluminiu">aluminiului</a> într-un vacuum de 1200 °C. Conform reacțiilor: </p><p><b>BaSO<sub>4</sub> (s) + 2C (s) →BaS (s) +2CO<sub>2</sub> (g)</b> </p> <dl><dd>Sulfatul de bariu reacționează cu <a href="/wiki/Carbon" title="Carbon">carbonul</a>, formând sulfura de bariu (BaS) și <a href="/wiki/Dioxid_de_carbon" title="Dioxid de carbon">dioxid de carbon</a> (CO<sub>2</sub>)</dd></dl> <p><b>BaS (s) + H<sub>2</sub>O (l) +CO<sub>2</sub> (g) →BaCO<sub>3</sub> (s) +H<sub>2</sub>S (g)</b> </p> <dl><dd>Sulfura de bariu amestecată cu <a href="/wiki/Ap%C4%83" title="Apă">apă</a> (H<sub>2</sub>O) și <a href="/wiki/Dioxid_de_carbon" title="Dioxid de carbon">dioxid de carbon</a> (CO<sub>2</sub>) formează carbonatul de bariu (BaCO<sub>3</sub>) și hidrogenul sulfurat (H<sub>2</sub>S)</dd></dl> <p><b>BaCO<sub>3</sub> (s) →BaO (s) + CO<sub>2</sub> (g)</b> </p> <dl><dd>Carbonatul de bariu (BaCO<sub>3</sub>) se depune, deoarece este insolubil în apă; acesta la căldură se descompune în oxid de bariu (BaO) și <a href="/wiki/Dioxid_de_carbon" title="Dioxid de carbon">dioxid de carbon</a> (CO<sub>2</sub>).</dd></dl> <p><b>3BaO (s) + 2Al (s) → Al<sub>2</sub>O<sub>3</sub> (s) + 3Ba (s)</b> </p> <dl><dd>Oxidul de bariu (BaO) reacționează cu <a href="/wiki/Aluminiu" title="Aluminiu">aluminiu</a> (Al) formând <a href="/wiki/Oxid_de_aluminiu" title="Oxid de aluminiu">oxidul de aluminiu</a> (Al<sub>2</sub>O<sub>3</sub>) și bariu (Ba) pur. Această reacție este o variantă a <a href="/w/index.php?title=Procesului_termit&action=edit&redlink=1" class="new" title="Procesului termit — pagină inexistentă">procesului termit</a>.</dd></dl> <p>Bariu de puritate înaltă se obține din <a href="/wiki/Electroliza" class="mw-redirect" title="Electroliza">electroliza</a> clorurii de bariu (BaCl<sub>2</sub>) topite , care este ulterior supusă vacuumului </p> <div class="mw-heading mw-heading2"><h2 id="Proprietăți"><span id="Propriet.C4.83.C8.9Bi"></span>Proprietăți</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=4" title="Modifică secțiunea: Proprietăți" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=4" title="Edit section's source code: Proprietăți"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fi%C8%99ier:Barium_1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Barium_1.jpg/220px-Barium_1.jpg" decoding="async" width="220" height="296" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Barium_1.jpg/330px-Barium_1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/9/9e/Barium_1.jpg 2x" data-file-width="371" data-file-height="500" /></a><figcaption>Bariu oxidat</figcaption></figure> <div class="mw-heading mw-heading3"><h3 id="Proprietăți_fizice"><span id="Propriet.C4.83.C8.9Bi_fizice"></span>Proprietăți fizice</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=5" title="Modifică secțiunea: Proprietăți fizice" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=5" title="Edit section's source code: Proprietăți fizice"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Bariu este un <a href="/wiki/Metal_alcalino-p%C4%83m%C3%A2ntos" title="Metal alcalino-pământos">metal alcalino-pământos</a> solid, <a href="/wiki/Paramagnetism" title="Paramagnetism">paramagnetic</a>, care <a href="/wiki/Cristal" title="Cristal">cristalizează</a> într-o rețea cubică, cu fețe centrate. Culoarea alb-argintie a bariului metalic devine în contact cu aerul gri mat, deoarece oxidează la suprafață. (vezi poza) Bariu generează o flacără de culoare verde cu liniile spectrale caracteristice de 524,2 și 513,7 nm. Bariu are densitatea 3,62 g/cm3 (la 20 °C) numărându-se astfel printre metalele ușoare. Are o duritate de 1,25 fiind astfel cel mai moale dintre metalele alcalino-pământoase. Punctul de topire este de 1000 K (727 °C), iar punctul de fierbere 1913 K (1640 °C). Potentialul standard are valoarea de -2,912 V. </p> <div class="mw-heading mw-heading3"><h3 id="Proprietăți_chimice"><span id="Propriet.C4.83.C8.9Bi_chimice"></span>Proprietăți chimice</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=6" title="Modifică secțiunea: Proprietăți chimice" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=6" title="Edit section's source code: Proprietăți chimice"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Proprietățile chimice sunt asemănătoare cu cele ale <a href="/wiki/Calciu" title="Calciu">calciului</a> (Ca) și celelalte metale alcalino-pământoase. Bariu (Ba) reacționează mai puternic, decât majoritatea metalelor alcalino-pământoase, cu <a href="/wiki/Apa" class="mw-redirect" title="Apa">apa</a> (H<sub>2</sub>O) și cu <a href="/wiki/Oxigen" title="Oxigen">oxigenul</a> (O<sub>2</sub>) și se dizolvă ușor în aproape toți acizii- excepție face <a href="/wiki/Acid_sulfuric" title="Acid sulfuric">acidul sulfuric</a> concentrat (H<sub>2</sub>SO<sub>4</sub>), pentru că se formează un strat sulfuric (<a href="/wiki/Pasivare" class="mw-redirect" title="Pasivare">pasivare</a>) ce oprește reacția. Din cauza reactivității sale crescute este păstrat în lichide de protecție. Spre deosebire de celelalte metale alcalino-pământoase, bariu oxidează la suprafață și în prezența aerului uscat se poate aprinde. </p> <div class="mw-heading mw-heading2"><h2 id="Izotopi_și_proprietăți_radioactive"><span id="Izotopi_.C8.99i_propriet.C4.83.C8.9Bi_radioactive"></span>Izotopi și proprietăți radioactive</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=7" title="Modifică secțiunea: Izotopi și proprietăți radioactive" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=7" title="Edit section's source code: Izotopi și proprietăți radioactive"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>În natură se găsesc șapte <a href="/wiki/Izotop" title="Izotop">izotopi</a> stabili ai bariului, dintre care <sup>138</sup>Ba este cel mai întâlnit (71,8%). Se mai cunosc 33 de izotopi radioactivi ai bariului. Aceștia au timpii de înjumătățire între 10,5 ani pentru <sup>133</sup>Ba și 150 nanosecunde pentru <sup>153</sup>Ba, cei mai mulți se dezintegrează în câteva secunde. Izotopii bariului au de la 58 până la maxim 97 de <a href="/wiki/Neutron" title="Neutron">neutroni</a> (de la <sup>114</sup>Ba la <sup>153</sup>Ba). Izotopii stabili ai bariului apar din diferite <a href="/wiki/Serie_de_dezintegrare" title="Serie de dezintegrare">serii de dezintegrare</a>; de exemplu: <sup>137</sup>I in <sup>137</sup>Ba. Izotopii radioactivi se descompun în izotopii <a href="/wiki/Lantan" title="Lantan">lantan</a> (La), <a href="/wiki/Xenon" title="Xenon">xenon</a> (Xe), <a href="/wiki/Cesiu" title="Cesiu">cesiu</a> (Cs) si <a href="/wiki/Iod" title="Iod">iod</a> (I). </p> <ul><li><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {^{252}_{\ 98}Cf\ \longrightarrow \ _{\ 56}^{142}Ba\ +\ _{\ 42}^{106}Mo\ +\ 4\ _{0}^{1}n} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mi></mi> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>98</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>252</mn> </mrow> </msubsup> <mi mathvariant="normal">C</mi> <mi mathvariant="normal">f</mi> <mtext> </mtext> <mo stretchy="false">⟶</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>56</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>142</mn> </mrow> </msubsup> <mi mathvariant="normal">B</mi> <mi mathvariant="normal">a</mi> <mtext> </mtext> <mo>+</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>42</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>106</mn> </mrow> </msubsup> <mi mathvariant="normal">M</mi> <mi mathvariant="normal">o</mi> <mtext> </mtext> <mo>+</mo> <mtext> </mtext> <mn>4</mn> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msubsup> <mi mathvariant="normal">n</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathrm {^{252}_{\ 98}Cf\ \longrightarrow \ _{\ 56}^{142}Ba\ +\ _{\ 42}^{106}Mo\ +\ 4\ _{0}^{1}n} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1ae12c0e82d3e2f2f5e491af8e7ba144aba9368b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:35.09ex; height:3.176ex;" alt="{\displaystyle \mathrm {^{252}_{\ 98}Cf\ \longrightarrow \ _{\ 56}^{142}Ba\ +\ _{\ 42}^{106}Mo\ +\ 4\ _{0}^{1}n} }" /></span></li></ul> <dl><dd>Californiu se descompune spontan în bariu, <a href="/wiki/Molibden" title="Molibden">molibden</a> și patru <a href="/wiki/Neutron" title="Neutron">neutroni</a></dd></dl> <ul><li><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {^{1}_{0}n\ +\ _{\ 92}^{235}U\ \longrightarrow \ _{\ 56}^{145}Ba\ +\ _{36}^{88}Kr\ +\ 3\ _{0}^{1}n} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mi></mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msubsup> <mi mathvariant="normal">n</mi> <mtext> </mtext> <mo>+</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>92</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>235</mn> </mrow> </msubsup> <mi mathvariant="normal">U</mi> <mtext> </mtext> <mo stretchy="false">⟶</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mtext> </mtext> <mn>56</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>145</mn> </mrow> </msubsup> <mi mathvariant="normal">B</mi> <mi mathvariant="normal">a</mi> <mtext> </mtext> <mo>+</mo> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>36</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>88</mn> </mrow> </msubsup> <mi mathvariant="normal">K</mi> <mi mathvariant="normal">r</mi> <mtext> </mtext> <mo>+</mo> <mtext> </mtext> <mn>3</mn> <msubsup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msubsup> <mi mathvariant="normal">n</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathrm {^{1}_{0}n\ +\ _{\ 92}^{235}U\ \longrightarrow \ _{\ 56}^{145}Ba\ +\ _{36}^{88}Kr\ +\ 3\ _{0}^{1}n} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/bb6a5229b23c350ab9f2dcdec82e1e7f26ba4626" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:39.242ex; height:3.176ex;" alt="{\displaystyle \mathrm {^{1}_{0}n\ +\ _{\ 92}^{235}U\ \longrightarrow \ _{\ 56}^{145}Ba\ +\ _{36}^{88}Kr\ +\ 3\ _{0}^{1}n} }" /></span></li></ul> <dl><dd><a href="/wiki/Uraniu" title="Uraniu">Uraniu</a> acceptă un neutron lent și se descompune în bariu, <a href="/wiki/Kripton" title="Kripton">kripton</a> (Kr) și trei neutroni rapizi. (Prima dovadă a fisiunii nucleare)</dd></dl> <div class="mw-heading mw-heading2"><h2 id="Aplicații"><span id="Aplica.C8.9Bii"></span>Aplicații</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=8" title="Modifică secțiunea: Aplicații" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=8" title="Edit section's source code: Aplicații"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Se mai foloseste aliajul nichel-bariu pentru bujii. În plus în amestecul aliajelor din plumb cu diferite metale, se adaugă bariu pentru creșterea durității.. Bariu în stare pură are puține aplicații, producția este de puține tone pe an. Cea mai importantă aplicație este cea de reproducător în tubul de vid, de exemplu la televizor. Reacționează rapid cu resturi de gaze precum <a href="/wiki/Oxigen" title="Oxigen">oxigen</a> (O<sub>2</sub>), <a href="/wiki/Azot" title="Azot">azot</a> (N<sub>2</sub>), <a href="/wiki/Dioxid_de_carbon" title="Dioxid de carbon">dioxid de carbon</a> (CO<sub>2</sub>) sau vapori de apă. Bariu poate include și gaze inerte, pe care le elimină astfel din tubul de vid. De asemenea la temperaturile folosite metalul are presiunea vaporilor scăzută. </p> <div class="mw-heading mw-heading2"><h2 id="Identificare">Identificare</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=9" title="Modifică secțiunea: Identificare" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=9" title="Edit section's source code: Identificare"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Reacții_pe_cale_umedă"><span id="Reac.C8.9Bii_pe_cale_umed.C4.83"></span>Reacții pe cale umedă</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=10" title="Modifică secțiunea: Reacții pe cale umedă" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=10" title="Edit section's source code: Reacții pe cale umedă"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><b>Na<sub>2</sub>SO<sub>4</sub> + BaCl<sub>2</sub> → BaSO<sub>4</sub> ↓ + 2NaCl</b> </p> <dl><dd>Una dintre reacțiile de indentificare este cea cu <a href="/wiki/Acid_sulfuric" title="Acid sulfuric">acid sulfuric</a> diluat (H<sub>2</sub>SO<sub>4</sub>), de unde rezultă sulfatul de bariu (BaSO<sub>4</sub>).</dd></dl> <p>Dacă bariu se găsește în asociație cu alte elemente, care formează sulfați greu solubili, atunci această procedură nu poate fii folosită. Separarea și identificarea au loc doar atunci, când există doar metale alcalino-pământoase, după metoda cromat-sulfat (vezi grupa carbonatului de amoniu). Prin acest procedeu soluția de bariu se amestecă cu cea de cromat de potasiu, obținându-se cromatul de bariu, un precipitat galben. Sunt prezente și alte elemente cu sulfați greu solubili, atunci va avea loc o separare adecvată a <a href="/wiki/Cation" title="Cation">cationilor</a>. (vezi <a href="/w/index.php?title=Analiza_calitativ%C4%83&action=edit&redlink=1" class="new" title="Analiza calitativă — pagină inexistentă">analiza calitativă</a>). </p> <div class="mw-heading mw-heading3"><h3 id="Metode_instrumentale">Metode instrumentale</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=11" title="Modifică secțiunea: Metode instrumentale" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=11" title="Edit section's source code: Metode instrumentale"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>O altă metodă de identificare a bariului este spectroscopia atomică. Identificarea bariului și a sărurilor de bariu are loc prin intermediul spectrului de frecvențe caracteristice. Tipurile de dispozitive folosite sunt de exemplu spectrometrul de absorbție atomică cu flacără sau spectrometrul de emisie atomică cu plasma cuplata inductiv. Astfel pot fii identificate chiar și urmele de bariu. În cazul în care nu există un spectrometru la îndemână, în diferite circumstanțe se poate ține o probă deasupra unei flăcări și se observă colorarea verde a flăcării. Nu se poate folosi metoda flăcării în cazul în care sunt prezente elemente cu o culoare a flăcării similară. </p> <div class="mw-heading mw-heading2"><h2 id="Toxicologie">Toxicologie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=12" title="Modifică secțiunea: Toxicologie" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=12" title="Edit section's source code: Toxicologie"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Toate combinațiile bariului solubile în apă sau în acid sunt toxice. O doză de 1 până la 15 grame, în funcție de concentrația combinațiilor de bariu, este mortală pentru un adult. În <a href="/wiki/Radiologie" class="mw-redirect" title="Radiologie">radiologie</a> se folosește sulfatul de bariu, insolubil, ca agent de contrast în reprezentarea tractului gastro-intestinal. Din acest motiv trebuie să fie folosită substanța pură. În farmacii există posibilitatea de confuzie datorată termenilor latini: „Barium sulfuricum” (sulfat de bariu) și „Barium sulfuratum” (sulfid de bariu). Intoxicațiile cu bariu au loc adesea la locul de muncă sau în apropierea locului de prelucrare al acestuia. Bariu poate fi inhalat sau poate ajunge în organism prin apa potabilă. Bariu se poate depune în <a href="/wiki/Mu%C8%99chi" class="mw-disambig" title="Mușchi">mușchi</a>, <a href="/wiki/Pl%C4%83m%C3%A2n" title="Plămân">plămâni</a> și <a href="/wiki/Os" class="mw-redirect" title="Os">oase</a>, deoarece seamănă cu <a href="/wiki/Calciu" title="Calciu">calciul</a>, dar se absoarbe mai repede. <a href="/w/index.php?title=Timpul_de_%C3%AEnjum%C4%83t%C4%83%C8%9Bire&action=edit&redlink=1" class="new" title="Timpul de înjumătățire — pagină inexistentă">Timpul de înjumătățire</a> în oase este de aproximativ 50 de zile. După ce calciul este înlocuit și la nivelul <a href="/wiki/Membran%C4%83_celular%C4%83" title="Membrană celulară">membranei celulare</a> a musculaturii cu bariu - chiar și la doze mici - are loc creșterea permeabilității și a contracției musculare, care poate duce la creșterea tensiunii arteriale, la reducerea ritmului cardiac, dar poate provoca și crampe musculare. Primul ajutor se poate da prin adăugarea de soluție de sulfat de sodiu (Na<sub>2</sub>SO<sub>4</sub>) sau sulfat de potasiu (K<sub>2</sub>SO<sub>4</sub>), astfel ionii de bariu formează sulfatul de bariu (BaSO<sub>4</sub>), care nu este toxic. În spital se poate îndepărta bariu prin <a href="/wiki/Dializ%C4%83" class="mw-redirect" title="Dializă">dializă</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Bariu_în_natura_vie"><span id="Bariu_.C3.AEn_natura_vie"></span>Bariu în natura vie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=13" title="Modifică secțiunea: Bariu în natura vie" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=13" title="Edit section's source code: Bariu în natura vie"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Plantele absorb bariu din pământ. Cea mai mare concentrație regăsită într-o cultură este în nucile de Brazilia, cu o cotă de 1%, corespunzând la 10.000 ppm (părți per milion). S-a dovedit că dependente de bariu sunt algele ornamentale (Desmidiaceae), o familie de organisme unicelulare, algele verzi (Chlorophyta) mari de 1 milimetru, care trăiesc în ape dulci, sărace în nutrienți, găsindu-se în special în mlaștini. În celulele lor se găsesc cavități, umplute cu lichide, în care se găsesc minuscule cristale de sulfat de bariu (BaSO<sub>4</sub>). Dacă mai este nevoie de bariu, acesta este extras selectiv din apă (H<sub>2</sub>O) chiar și la concentrații extrem de mici de 1ppb (părți per miliard). Chiar și la ordinele de mărime, concentrațiile mai mari ale calciului, nu schimbă nimic. Invers însă unele organism tolerează și o doză mortală de bariu, de până la 35 ppm (părți per milion). Funcția biologică a cristalelor este încă incertă, se presupune însă a avea un rol în percepția gravitației. S-a dovedit că bariu este esențial pentru plante, deoarece în absența sa, ele încetează să mai crească. În organismul uman se găsește, de asemenea bariu - proporția medie în țesuturi este de 100 ppb (părți per miliard), în sânge și în oase fiind mai mică, 70 ppb. Prin alimentația zilnică se absoarbe cam 1 miligram de bariu. </p> <div class="mw-heading mw-heading2"><h2 id="Combinații"><span id="Combina.C8.9Bii"></span>Combinații</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=14" title="Modifică secțiunea: Combinații" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=14" title="Edit section's source code: Combinații"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fi%C8%99ier:2006_Fireworks_1.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/88/2006_Fireworks_1.JPG/220px-2006_Fireworks_1.JPG" decoding="async" width="220" height="229" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/88/2006_Fireworks_1.JPG/330px-2006_Fireworks_1.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/88/2006_Fireworks_1.JPG/440px-2006_Fireworks_1.JPG 2x" data-file-width="1371" data-file-height="1430" /></a><figcaption>Artificii: Culoarea verde a bariului</figcaption></figure> <p>Cam toate combinațiile bariului se găsesc la gradul de oxidare +2. Acestea sunt săruri incolore, solide. Caracteristic pentru combinațiile bariului este că pot arde cu flacără verde. </p> <div class="mw-heading mw-heading3"><h3 id="Combinații_cu_oxigenul"><span id="Combina.C8.9Bii_cu_oxigenul"></span>Combinații cu oxigenul</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=15" title="Modifică secțiunea: Combinații cu oxigenul" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=15" title="Edit section's source code: Combinații cu oxigenul"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Există două tipuri de combinații ale bariului cu <a href="/wiki/Oxigen" title="Oxigen">oxigenul</a>, <a href="/wiki/Oxid_de_bariu" title="Oxid de bariu">oxidul de bariu</a> (BaO) și <a href="/w/index.php?title=Peroxid_de_bariu&action=edit&redlink=1" class="new" title="Peroxid de bariu — pagină inexistentă">peroxidul de bariu</a> (BaO<sub>2</sub>). Oxidul de bariu (BaO) adsoarbe <a href="/wiki/Apa" class="mw-redirect" title="Apa">apa</a> (H<sub>2</sub>O) și <a href="/wiki/Dioxid_de_carbon" title="Dioxid de carbon">dioxidul de carbon</a> (CO<sub>2</sub>) fiind utilizat în mod corespunzător. Peroxidul de bariu (BaO<sub>2</sub>), se obține din oxidul de bariu (BaO), fiind un puternic oxidant. Este folosit în pirotehnie. Peroxidul de bariu (BaO<sub>2</sub>) poate fi folosit în obținerea <a href="/wiki/Ap%C4%83_oxigenat%C4%83" class="mw-redirect" title="Apă oxigenată">apei oxigenate</a> (H<sub>2</sub>O<sub>2</sub>). Dacă se dizolvă oxidul de bariu (BaO) în apă, se obține o bază tare, hidroxidul de bariu (Ba(OH)<sub>2</sub>), care este utilizată pentru identificarea ionilor carbonat (-CO<sub>3</sub>). </p> <div class="mw-heading mw-heading3"><h3 id="Combinații_cu_halogenii"><span id="Combina.C8.9Bii_cu_halogenii"></span>Combinații cu halogenii</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=16" title="Modifică secțiunea: Combinații cu halogenii" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=16" title="Edit section's source code: Combinații cu halogenii"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Cu halogenii bariu formează combinații de tipul BaX<sub>2</sub>. Cu excepția fluorurii de bariu (BaF<sub>2</sub>), ce cristalizează în structura fluorurii, celelalte cristalizează în structura clorurii de plumb (PbCl<sub>2</sub>). Fluorura de bariu (BaF<sub>2</sub>) are o suprafață transparentă mare, fiind folosită în industria optică; <a href="/wiki/Clorur%C4%83_de_bariu" title="Clorură de bariu">clorura de bariu</a> (BaCl<sub>2</sub>), toxică și ușor solubilă, este folosită ca materie primă pentru obținerea altor combinații ale bariului, ca agent de precipitare a sulfaților, în identificarea și dedurizarea acestora. </p> <div class="mw-heading mw-heading3"><h3 id="Combinații_cu_oxiacizi"><span id="Combina.C8.9Bii_cu_oxiacizi"></span>Combinații cu oxiacizi</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=17" title="Modifică secțiunea: Combinații cu oxiacizi" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=17" title="Edit section's source code: Combinații cu oxiacizi"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Nitrat_de_bariu" class="mw-redirect" title="Nitrat de bariu">Nitratul de bariu</a> (Ba(NO<sub>3</sub>)<sub>2</sub>), iodatul de bariu (Ba(IO<sub>3</sub>)<sub>2</sub>) și cloratul de bariu (Ba(ClO<sub>3</sub>)<sub>2</sub>) sunt folosite, datorită proprietăților oxidante și a arderii cu flacără de culoare verde, în pirotehnie. <a href="/wiki/Carbonat_de_bariu" title="Carbonat de bariu">Carbonatul de bariu</a> (BaCO<sub>3</sub>) este o eficace otravă de șobolani, fiind utilizat și ca materie primă pentru fabricarea sticlei și a feritei. <a href="/wiki/Sulfat_de_bariu" title="Sulfat de bariu">Sulfatul de bariu</a> (BaSO<sub>4</sub>) este din punct de vedere tehnic cea mai importantă combinație a bariului. Spre deosebire de ceilalți compuși, datorită solubilității scăzute, nu este toxic. Este folosit în principal în producția petrolului pentru creșterea densității noroiului de foraj. Vezi și: <a href="/wiki/Acetat_de_bariu" title="Acetat de bariu">acetat de bariu</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Izotopii_de_bariu">Izotopii de bariu</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=18" title="Modifică secțiunea: Izotopii de bariu" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=18" title="Edit section's source code: Izotopii de bariu"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable" style="font-size:95%; white-space:nowrap"> <tbody><tr> <th rowspan="2">simbolul<br />izotopului </th> <th>Z(<a href="/wiki/Proton" title="Proton">p</a>) </th> <th>N(<a href="/wiki/Neutron" title="Neutron">n</a>) </th> <th> <br />greutatea izotopilor (u)<br />  </th> <th rowspan="2">timp de înjumătățire </th> <th rowspan="2">rotirea<br />nucleară </th> <th rowspan="2">reprezentantul<br />compoziției<br />izotopice<br />(fracția molară) </th> <th rowspan="2">rangul de variație<br />naturală<br />(fracția molară) </th></tr> <tr> <th colspan="3">energia eliberată </th></tr> <tr> <td><sup>114</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">58 </td> <td>113.95068(15) </td> <td>530(230) ms [0.43(+30-15) s] </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>115</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">59 </td> <td>114.94737(64)# </td> <td>0.45(5) s </td> <td>(5/2+)# </td> <td> </td> <td> </td></tr> <tr> <td><sup>116</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">60 </td> <td>115.94138(43)# </td> <td>1.3(2) s </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>117</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">61 </td> <td>116.93850(32)# </td> <td>1.75(7) s </td> <td>(3/2)(+#) </td> <td> </td> <td> </td></tr> <tr> <td><sup>118</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">62 </td> <td>117.93304(21)# </td> <td>5.2(2) s </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>119</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">63 </td> <td>118.93066(21) </td> <td>5.4(3) s </td> <td>(5/2+) </td> <td> </td> <td> </td></tr> <tr> <td><sup>120</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">64 </td> <td>119.92604(32) </td> <td>24(2) s </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>121</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">65 </td> <td>120.92405(15) </td> <td>29.7(15) s </td> <td>5/2(+) </td> <td> </td> <td> </td></tr> <tr> <td><sup>122</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">66 </td> <td>121.91990(3) </td> <td>1.95(15) min </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>123</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">67 </td> <td>122.918781(13) </td> <td>2.7(4) min </td> <td>5/2(+) </td> <td> </td> <td> </td></tr> <tr> <td><sup>124</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">68 </td> <td>123.915094(13) </td> <td>11.0(5) min </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>125</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">69 </td> <td>124.914473(12) </td> <td>3.5(4) min </td> <td>1/2(+#) </td> <td> </td> <td> </td></tr> <tr> <td><sup>126</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">70 </td> <td>125.911250(13) </td> <td>100(2) min </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>127</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">71 </td> <td>126.911094(12) </td> <td>12.7(4) min </td> <td>1/2+ </td> <td> </td> <td> </td></tr> <tr> <td style="text-indent:1em"><sup>127m</sup>Ba </td> <td colspan="3" style="text-indent:2em">80.33(12) keV </td> <td>1.9(2) s </td> <td>7/2- </td> <td> </td> <td> </td></tr> <tr> <td><sup>128</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">72 </td> <td>127.908318(11) </td> <td>2.43(5) d </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>129</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">73 </td> <td>128.908679(12) </td> <td>2.23(11) h </td> <td>1/2+ </td> <td> </td> <td> </td></tr> <tr> <td style="text-indent:1em"><sup>129m</sup>Ba </td> <td colspan="3" style="text-indent:2em">8.42(6) keV </td> <td>2.16(2) h </td> <td>7/2+# </td> <td> </td> <td> </td></tr> <tr> <td><sup>130</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">74 </td> <td>129.9063208(30) </td> <td>PRIMORDIAL radioactive [7E+13 a] </td> <td>0+ </td> <td>0.00106(1) </td> <td> </td></tr> <tr> <td style="text-indent:1em"><sup>130m</sup>Ba </td> <td colspan="3" style="text-indent:2em">2475.12(18) keV </td> <td>9.54(14) ms </td> <td>8- </td> <td> </td> <td> </td></tr> <tr> <td><sup>131</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">75 </td> <td>130.906941(3) </td> <td>11.50(6) d </td> <td>1/2+ </td> <td> </td> <td> </td></tr> <tr> <td style="text-indent:1em"><sup>131m</sup>Ba </td> <td colspan="3" style="text-indent:2em">187.14(12) keV </td> <td>14.6(2) min </td> <td>9/2- </td> <td> </td> <td> </td></tr> <tr> <td><sup>132</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">76 </td> <td>131.9050613(11) </td> <td>STABLE [>300E+18 a] </td> <td>0+ </td> <td>0.00101(1) </td> <td> </td></tr> <tr> <td><sup>133</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">77 </td> <td>132.9060075(11) </td> <td>10.51(5) a </td> <td>1/2+ </td> <td> </td> <td> </td></tr> <tr> <td style="text-indent:1em"><sup>133m</sup>Ba </td> <td colspan="3" style="text-indent:2em">288.247(9) keV </td> <td>38.9(1) h </td> <td>11/2- </td> <td> </td> <td> </td></tr> <tr> <td><sup>134</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">78 </td> <td>133.9045084(4) </td> <td>STABLE </td> <td>0+ </td> <td>0.02417(18) </td> <td> </td></tr> <tr> <td><sup>135</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">79 </td> <td>134.9056886(4) </td> <td>STABLE </td> <td>3/2+ </td> <td>0.06592(12) </td> <td> </td></tr> <tr> <td style="text-indent:1em"><sup>135m</sup>Ba </td> <td colspan="3" style="text-indent:2em">268.22(2) keV </td> <td>28.7(2) h </td> <td>11/2- </td> <td> </td> <td> </td></tr> <tr> <td><sup>136</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">80 </td> <td>135.9045759(4) </td> <td>STABLE </td> <td>0+ </td> <td>0.07854(24) </td> <td> </td></tr> <tr> <td style="text-indent:1em"><sup>136m</sup>Ba </td> <td colspan="3" style="text-indent:2em">2030.466(18) keV </td> <td>308.4(19) ms </td> <td>7- </td> <td> </td> <td> </td></tr> <tr> <td><sup>137</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">81 </td> <td>136.9058274(5) </td> <td>STABLE </td> <td>3/2+ </td> <td>0.11232(24) </td> <td> </td></tr> <tr> <td style="text-indent:1em"><sup>137m1</sup>Ba </td> <td colspan="3" style="text-indent:2em">661.659(3) keV </td> <td>2.552(1) min </td> <td>11/2- </td> <td> </td> <td> </td></tr> <tr> <td style="text-indent:1em"><sup>137m2</sup>Ba </td> <td colspan="3" style="text-indent:2em">2349.1(4) keV </td> <td>0.59(10) µs </td> <td>(17/2-) </td> <td> </td> <td> </td></tr> <tr> <td><sup>138</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">82 </td> <td>137.9052472(5) </td> <td>STABLE </td> <td>0+ </td> <td>0.71698(42) </td> <td> </td></tr> <tr> <td style="text-indent:1em"><sup>138m</sup>Ba </td> <td colspan="3" style="text-indent:2em">2090.54(6) keV </td> <td>800(100) ns </td> <td>6+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>139</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">83 </td> <td>138.9088413(5) </td> <td>83.06(28) min </td> <td>7/2- </td> <td> </td> <td> </td></tr> <tr> <td><sup>140</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">84 </td> <td>139.910605(9) </td> <td>12.752(3) d </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>141</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">85 </td> <td>140.914411(9) </td> <td>18.27(7) min </td> <td>3/2- </td> <td> </td> <td> </td></tr> <tr> <td><sup>142</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">86 </td> <td>141.916453(7) </td> <td>10.6(2) min </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>143</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">87 </td> <td>142.920627(14) </td> <td>14.5(3) s </td> <td>5/2- </td> <td> </td> <td> </td></tr> <tr> <td><sup>144</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">88 </td> <td>143.922953(14) </td> <td>11.5(2) s </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>145</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">89 </td> <td>144.92763(8) </td> <td>4.31(16) s </td> <td>5/2- </td> <td> </td> <td> </td></tr> <tr> <td><sup>146</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">90 </td> <td>145.93022(8) </td> <td>2.22(7) s </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>147</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">91 </td> <td>146.93495(22)# </td> <td>0.893(1) s </td> <td>(3/2+) </td> <td> </td> <td> </td></tr> <tr> <td><sup>148</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">92 </td> <td>147.93772(9) </td> <td>0.612(17) s </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>149</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">93 </td> <td>148.94258(21)# </td> <td>344(7) ms </td> <td>3/2-# </td> <td> </td> <td> </td></tr> <tr> <td><sup>150</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">94 </td> <td>149.94568(43)# </td> <td>300 ms </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>151</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">95 </td> <td>150.95081(43)# </td> <td>200# ms [>300 ns] </td> <td>3/2-# </td> <td> </td> <td> </td></tr> <tr> <td><sup>152</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">96 </td> <td>151.95427(54)# </td> <td>100# ms </td> <td>0+ </td> <td> </td> <td> </td></tr> <tr> <td><sup>153</sup>Ba </td> <td style="text-align:right">56 </td> <td style="text-align:right">97 </td> <td>152.95961(86)# </td> <td>80# ms </td> <td>5/2-# </td> <td> </td> <td> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Legături_externe"><span id="Leg.C4.83turi_externe"></span>Legături externe</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bariu&veaction=edit&section=19" title="Modifică secțiunea: Legături externe" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bariu&action=edit&section=19" title="Edit section's source code: Legături externe"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.sistemul-periodic.go.ro/elemente/ba.htm">Bariul la sistemul-periodic.go.ro</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080916125348/http://www.sistemul-periodic.go.ro/elemente/ba.htm">Arhivat</a> în <time datetime="2008-09-16">16 septembrie 2008</time>, la <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>.</li></ul> <p><a class="external free" href="https://en.wikipedia.org/wiki/Isotopes_of_barium">http://en.wikipedia.org/wiki/Isotopes_of_barium</a> </p> <div role="navigation" class="navbox" aria-labelledby="Elemente_chimice" style="padding:3px"><table class="nowraplinks collapsible uncollapsed navbox-inner" style="border-spacing:0;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div class="plainlinks hlist navbar mini"><ul><li class="nv-view"><a href="/wiki/Format:Elemente_chimice" title="Format:Elemente chimice"><abbr title="Vizualizează acest format" style=";;border:none;-moz-box-shadow:none;-webkit-box-shadow:none;box-shadow:none;">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Discu%C8%9Bie_Format:Elemente_chimice" title="Discuție Format:Elemente chimice"><abbr title="Discută acest format" style=";;border:none;-moz-box-shadow:none;-webkit-box-shadow:none;box-shadow:none;">d</abbr></a></li><li class="nv-edit"><a class="external text" href="https://ro.wikipedia.org/w/index.php?title=Format:Elemente_chimice&action=edit"><abbr title="Modifică acest format" style=";;border:none;-moz-box-shadow:none;-webkit-box-shadow:none;box-shadow:none;">m</abbr></a></li></ul></div><div id="Elemente_chimice" class="whiteText" style="font-size:100%;margin:0 4em"><a href="/wiki/Element_chimic" title="Element chimic">Elemente chimice</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Metale alcaline</th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/Litiu" title="Litiu">Litiu</a> (3) • <a href="/wiki/Sodiu" title="Sodiu">Sodiu</a> (11) • <a href="/wiki/Potasiu" title="Potasiu">Potasiu</a> (19) • <a href="/wiki/Rubidiu" title="Rubidiu">Rubidiu</a> (37) • <a href="/wiki/Cesiu" title="Cesiu">Cesiu</a> (55) • <a href="/wiki/Franciu" title="Franciu">Franciu</a> (87) • <a href="/wiki/Ununenniu" title="Ununenniu">Ununenniu</a> (119)</div></td><td class="navbox-image" rowspan="11" style="width:1px;padding:0px 0px 0px 2px"><div><span typeof="mw:File"><a href="/wiki/Fi%C8%99ier:TableImage.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/TableImage.png/80px-TableImage.png" decoding="async" width="80" height="23" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/TableImage.png/120px-TableImage.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/TableImage.png/160px-TableImage.png 2x" data-file-width="250" data-file-height="73" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Metale alcalino-pământoase</th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/Beriliu" title="Beriliu">Beriliu</a> (4) • <a href="/wiki/Magneziu" title="Magneziu">Magneziu</a> (12) • <a href="/wiki/Calciu" title="Calciu">Calciu</a> (20) • <a href="/wiki/Stron%C8%9Biu" title="Stronțiu">Stronțiu</a> (38) • <a class="mw-selflink selflink">Bariu</a> (56) • <a href="/wiki/Radiu" title="Radiu">Radiu</a> (88) • <a href="/wiki/Unbinilium" title="Unbinilium">Unbinilium</a> (120)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Metale tranziționale</th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/Scandiu" title="Scandiu">Scandiu</a> (21) • <a href="/wiki/Titan" title="Titan">Titan</a> (22) • <a href="/wiki/Vanadiu" title="Vanadiu">Vanadiu</a> (23) • <a href="/wiki/Crom" title="Crom">Crom</a> (24) • <a href="/wiki/Mangan" title="Mangan">Mangan</a> (25) • <a href="/wiki/Fier" title="Fier">Fier</a> (26) • <a href="/wiki/Cobalt" title="Cobalt">Cobalt</a> (27) • <a href="/wiki/Nichel" title="Nichel">Nichel</a> (28) • <a href="/wiki/Cupru" title="Cupru">Cupru</a> (29) • <a href="/wiki/Zinc" title="Zinc">Zinc</a> (30) • <a href="/wiki/Ytriu" title="Ytriu">Ytriu</a> (39) • <a href="/wiki/Zirconiu" title="Zirconiu">Zirconiu</a> (40) • <a href="/wiki/Niobiu" title="Niobiu">Niobiu</a> (41) • <a href="/wiki/Molibden" title="Molibden">Molibden</a> (42) • <a href="/wiki/Techne%C8%9Biu" title="Technețiu">Technețiu</a> (43) • <a href="/wiki/Ruteniu" title="Ruteniu">Ruteniu</a> (44) • <a href="/wiki/Rodiu" title="Rodiu">Rodiu</a> (45) • <a href="/wiki/Paladiu" title="Paladiu">Paladiu</a> (46) • <a href="/wiki/Argint" title="Argint">Argint</a> (47) • <a href="/wiki/Cadmiu" title="Cadmiu">Cadmiu</a> (48) • <a href="/wiki/Hafniu" title="Hafniu">Hafniu</a> (72) • <a href="/wiki/Tantal" title="Tantal">Tantal</a> (73) • <a href="/wiki/Wolfram" title="Wolfram">Wolfram</a> (74) • <a href="/wiki/Reniu" title="Reniu">Reniu</a> (75) • <a href="/wiki/Osmiu" title="Osmiu">Osmiu</a> (76) • <a href="/wiki/Iridiu" title="Iridiu">Iridiu</a> (77) • <a href="/wiki/Platin%C4%83" title="Platină">Platină</a> (78) • <a href="/wiki/Aur" title="Aur">Aur</a> (79) • <a href="/wiki/Mercur_(element)" title="Mercur (element)">Mercur</a> (80) • <a href="/wiki/Rutherfordiu" title="Rutherfordiu">Rutherfordiu</a> (104) • <a href="/wiki/Dubniu" title="Dubniu">Dubniu</a> (105) • <a href="/wiki/Seaborgiu" title="Seaborgiu">Seaborgiu</a> (106) • <a href="/wiki/Bohriu" title="Bohriu">Bohriu</a> (107) • <a href="/wiki/Hassiu" title="Hassiu">Hassiu</a> (108) • <a href="/wiki/Meitneriu" title="Meitneriu">Meitneriu</a> (109) • <a href="/wiki/Darmstadtiu" title="Darmstadtiu">Darmstadtiu</a> (110) • <a href="/wiki/Roentgeniu" title="Roentgeniu">Roentgeniu</a> (111) • <a href="/wiki/Coperniciu" title="Coperniciu">Coperniciu</a> (112) • <a href="/wiki/Nihoniu" title="Nihoniu">Nihoniu</a> (113) • <a href="/wiki/Fleroviu" title="Fleroviu">Fleroviu</a> (114) • <a href="/wiki/Moscoviu" title="Moscoviu">Moscoviu</a> (115) • <a href="/wiki/Livermoriu" title="Livermoriu">Livermoriu</a> (116)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Metale post-tranziționale</th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/Aluminiu" title="Aluminiu">Aluminiu</a> (13) • <a href="/wiki/Galiu" title="Galiu">Galiu</a> (31) • <a href="/wiki/Indiu" title="Indiu">Indiu</a> (49) • <a href="/wiki/Staniu" title="Staniu">Staniu</a> (50) • <a href="/wiki/Taliu" title="Taliu">Taliu</a> (81) • <a href="/wiki/Plumb" title="Plumb">Plumb</a> (82) • <a href="/wiki/Bismut" title="Bismut">Bismut</a> (83) • <a href="/wiki/Poloniu" title="Poloniu">Poloniu</a> (84)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Metaloizi</th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/Bor_(element)" title="Bor (element)">Bor</a> (5) • <a href="/wiki/Siliciu" title="Siliciu">Siliciu</a> (14) • <a href="/wiki/Germaniu" title="Germaniu">Germaniu</a> (32) • <a href="/wiki/Arsen" title="Arsen">Arsen</a> (33) • <a href="/wiki/Stibiu" title="Stibiu">Stibiu</a> (51) • <a href="/wiki/Telur" title="Telur">Telur</a> (52)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Nemetale</th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/Hidrogen" title="Hidrogen">Hidrogen</a> (1) • <a href="/wiki/Carbon" title="Carbon">Carbon</a> (6) • <a href="/wiki/Azot" title="Azot">Azot</a> (7) • <a href="/wiki/Oxigen" title="Oxigen">Oxigen</a> (8) • <a href="/wiki/Fosfor" title="Fosfor">Fosfor</a> (15) • <a href="/wiki/Sulf" title="Sulf">Sulf</a> (16) • <a href="/wiki/Seleniu" title="Seleniu">Seleniu</a> (34)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Halogeni</th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/Fluor" title="Fluor">Fluor</a> (9) • <a href="/wiki/Clor" title="Clor">Clor</a> (17) • <a href="/wiki/Brom" title="Brom">Brom</a> (35) • <a href="/wiki/Iod" title="Iod">Iod</a> (53) • <a href="/wiki/Astatin" title="Astatin">Astatin</a> (85) • <a href="/wiki/Tennessin" title="Tennessin">Tennessin</a> (117)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Gaze nobile</th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/Heliu" title="Heliu">Heliu</a> (2) • <a href="/wiki/Neon" title="Neon">Neon</a> (10) • <a href="/wiki/Argon" title="Argon">Argon</a> (18) • <a href="/wiki/Kripton" title="Kripton">Kripton</a> (36) • <a href="/wiki/Xenon" title="Xenon">Xenon</a> (54) • <a href="/wiki/Radon" title="Radon">Radon</a> (86) • <a href="/wiki/Oganesson" title="Oganesson">Oganesson</a> (118)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Lantanide</th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/Lantan" title="Lantan">Lantan</a> (57) • <a href="/wiki/Ceriu" title="Ceriu">Ceriu</a> (58) • <a href="/wiki/Praseodim" title="Praseodim">Praseodim</a> (59) • <a href="/wiki/Neodim" title="Neodim">Neodim</a> (60) • <a href="/wiki/Prome%C8%9Biu" title="Promețiu">Promețiu</a> (61) • <a href="/wiki/Samariu" title="Samariu">Samariu</a> (62) • <a href="/wiki/Europiu" title="Europiu">Europiu</a> (63) • <a href="/wiki/Gadoliniu" title="Gadoliniu">Gadoliniu</a> (64) <a href="/wiki/Terbiu" title="Terbiu">Terbiu</a> (65) • <a href="/wiki/Disprosiu" title="Disprosiu">Disprosiu</a> (66) • <a href="/wiki/Holmiu" title="Holmiu">Holmiu</a> (67) • <a href="/wiki/Erbiu" title="Erbiu">Erbiu</a> (68) • <a href="/wiki/Tuliu" title="Tuliu">Tuliu</a> (69) • <a href="/wiki/Yterbiu" title="Yterbiu">Yterbiu</a> (70) • <a href="/wiki/Lute%C8%9Biu" title="Lutețiu">Lutețiu</a> (71)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Actinide</th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/Actiniu" title="Actiniu">Actiniu</a> (89) • <a href="/wiki/Thoriu" title="Thoriu">Thoriu</a> (90) • <a href="/wiki/Protactiniu" title="Protactiniu">Protactiniu</a> (91) • <a href="/wiki/Uraniu" title="Uraniu">Uraniu</a> (92) • <a href="/wiki/Neptuniu" title="Neptuniu">Neptuniu</a> (93) • <a href="/wiki/Plutoniu" title="Plutoniu">Plutoniu</a> (94) • <a href="/wiki/Americiu" title="Americiu">Americiu</a> (95) • <a href="/wiki/Curiu" title="Curiu">Curiu</a> (96) • <a href="/wiki/Berkeliu" title="Berkeliu">Berkeliu</a> (97) • <a href="/wiki/Californiu" title="Californiu">Californiu</a> (98) • <a href="/wiki/Einsteiniu" title="Einsteiniu">Einsteiniu</a> (99) • <a href="/wiki/Fermiu" title="Fermiu">Fermiu</a> (100) • <a href="/wiki/Mendeleviu" title="Mendeleviu">Mendeleviu</a> (101) • <a href="/wiki/Nobeliu" title="Nobeliu">Nobeliu</a> (102) • <a href="/wiki/Lawrenciu" title="Lawrenciu">Lawrenciu</a> (103)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Superactinide</th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/Unbiunium" class="mw-redirect" title="Unbiunium">Unbiunium</a> (121) • <a href="/wiki/Unbibium" class="mw-redirect" title="Unbibium">Unbibium</a> (122) • <a href="/wiki/Unbitrium" class="mw-redirect" title="Unbitrium">Unbitrium</a> (123) • <a href="/wiki/Unbiquadium" class="mw-redirect" title="Unbiquadium">Unbiquadium</a> (124) • <a href="/wiki/Unbipentium" class="mw-redirect" title="Unbipentium">Unbipentium</a> (125) • <a href="/wiki/Unbihexium" class="mw-redirect" title="Unbihexium">Unbihexium</a> (126) • <a href="/wiki/Unbiseptium" class="mw-redirect" title="Unbiseptium">Unbiseptium</a> (127) • <a href="/wiki/Unbioctium" class="mw-redirect" title="Unbioctium">Unbioctium</a> (128) • <a href="/wiki/Unbiennium" class="mw-redirect" title="Unbiennium">Unbiennium</a> (129) • <a href="/wiki/Untrinilium" class="mw-redirect" title="Untrinilium">Untrinilium</a> (130) • <a href="/wiki/Untriunium" class="mw-redirect" title="Untriunium">Untriunium</a> (131) • <a href="/wiki/Untribium" class="mw-redirect" title="Untribium">Untribium</a> (132) • <a href="/wiki/Untritrium" class="mw-redirect" title="Untritrium">Untritrium</a> (133) • <a href="/wiki/Untriquadium" class="mw-redirect" title="Untriquadium">Untriquadium</a> (134) • <a href="/wiki/Untripentium" class="mw-redirect" title="Untripentium">Untripentium</a> (135) • <a href="/wiki/Untrihexium" class="mw-redirect" title="Untrihexium">Untrihexium</a> (136) • <a href="/wiki/Untriseptium" class="mw-redirect" title="Untriseptium">Untriseptium</a> (137) • <a href="/wiki/Untrioctium" class="mw-redirect" title="Untrioctium">Untrioctium</a> (138) • <a href="/wiki/Untriennium" class="mw-redirect" title="Untriennium">Untriennium</a> (139) • <a href="/wiki/Unquadnilium" class="mw-redirect" title="Unquadnilium">Unquadnilium</a> (140) • <a href="/wiki/Unquadunium" class="mw-redirect" title="Unquadunium">Unquadunium</a> (141) • <a href="/wiki/Unquadbium" class="mw-redirect" title="Unquadbium">Unquadbium</a> (142) • <a href="/wiki/Unquadtrium" class="mw-redirect" title="Unquadtrium">Unquadtrium</a> (143) • <a href="/wiki/Unquadquadium" class="mw-redirect" title="Unquadquadium">Unquadquadium</a> (144) • <a href="/wiki/Unquadpentium" class="mw-redirect" title="Unquadpentium">Unquadpentium</a> (145) • <a href="/wiki/Unquadhexium" class="mw-redirect" title="Unquadhexium">Unquadhexium</a> (146) • <a href="/wiki/Unquadseptium" class="mw-redirect" title="Unquadseptium">Unquadseptium</a> (147) • <a href="/wiki/Unquadoctium" class="mw-redirect" title="Unquadoctium">Unquadoctium</a> (148) • <a href="/wiki/Unquadennium" class="mw-redirect" title="Unquadennium">Unquadennium</a> (149) • <a href="/wiki/Unpentnilium" class="mw-redirect" title="Unpentnilium">Unpentnilium</a> (150) • <a href="/wiki/Unpentunium" class="mw-redirect" title="Unpentunium">Unpentunium</a> (151) • <a href="/wiki/Unpentbium" class="mw-redirect" title="Unpentbium">Unpentbium</a> (152) • <a href="/wiki/Unpenttrium" class="mw-redirect" title="Unpenttrium">Unpenttrium</a> (153) • <a href="/wiki/Unpentquadium" class="mw-redirect" title="Unpentquadium">Unpentquadium</a> (154) • <a href="/wiki/Unpentpentium" class="mw-redirect" title="Unpentpentium">Unpentpentium</a> (155)</div></td></tr></tbody></table></div><style data-mw-deduplicate="TemplateStyles:r16786155">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:0 auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output 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.mw-parser-output .navbox-subgroup,html.skin-theme-clientpref-os .mw-parser-output .navbox-group,html.skin-theme-clientpref-os .mw-parser-output .navbox-even,html.skin-theme-clientpref-os .mw-parser-output .navbox-abovebelow,html.skin-theme-clientpref-os .mw-parser-output .navbox-title{background:inherit!important;color:inherit!important;border-color:#54595d!important}html.skin-theme-clientpref-os .mw-parser-output .whiteText{color:#fff}}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important;background:transparent!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important;background:transparent!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style> <ul><li><a class="external text" href="https://de.wikipedia.org/wiki/Barium">Bariu</a></li></ul> <div role="navigation" class="navbox" aria-label="Navbox" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;color:inherit"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ajutor:Control_de_autoritate" title="Ajutor:Control de autoritate">Control de autoritate</a></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Biblioteca_Nacional_de_Espa%C3%B1a" class="mw-redirect" title="Biblioteca Nacional de España">BNE</a>: <span class="uid"><a rel="nofollow" class="external text" href="http://catalogo.bne.es/uhtbin/authoritybrowse.cgi?action=display&authority_id=XX540454">XX540454</a></span></span></li> <li><span class="nowrap"><a href="/wiki/Biblioth%C3%A8que_nationale_de_France" title="Bibliothèque nationale de France">BNF</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb12203013v">cb12203013v</a> <a rel="nofollow" class="external text" href="http://data.bnf.fr/ark:/12148/cb12203013v">(data)</a></span></span></li> <li><span class="nowrap"><a href="/wiki/Integrated_Authority_File" class="mw-redirect" title="Integrated Authority File">GND</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4140300-9">4140300-9</a></span></span></li> <li><span class="nowrap"><a href="/wiki/Library_of_Congress_Control_Number" class="mw-redirect" title="Library of Congress Control Number">LCCN</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/subjects/sh85011853">sh85011853</a></span></span></li> <li><span class="nowrap"><a href="/wiki/National_Library_of_Latvia" class="mw-redirect" title="National Library of Latvia">LNB</a>: <span class="uid"><a rel="nofollow" class="external text" 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