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</button> <ul id="toc-Stabilire-sublist" class="vector-toc-list"> <li id="toc-Exemplu" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Exemplu"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Exemplu</span> </div> </a> <ul id="toc-Exemplu-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Note</span> </div> </a> <ul id="toc-Note-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" > <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">Formulă chimică</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 99 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-99" 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">99 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/Chemiese_formule" title="Chemiese formule – afrikaans" lang="af" hreflang="af" data-title="Chemiese formule" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B5%D9%8A%D8%BA%D8%A9_%D9%83%D9%8A%D9%85%D9%8A%D8%A7%D8%A6%D9%8A%D8%A9" title="صيغة كيميائية – arabă" lang="ar" hreflang="ar" data-title="صيغة كيميائية" 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/%D9%81%D9%88%D8%B1%D9%85%D9%88%D9%84%D8%A9_%D9%83%D9%8A%D9%85%D8%A7%D9%88%D9%8A%D8%A9" title="فورمولة كيماوية – Moroccan Arabic" lang="ary" hreflang="ary" data-title="فورمولة كيماوية" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/F%C3%B3rmula_qu%C3%ADmica" title="Fórmula química – asturiană" lang="ast" hreflang="ast" data-title="Fórmula química" 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/Kimy%C9%99vi_formul" title="Kimyəvi formul – azeră" lang="az" hreflang="az" data-title="Kimyəvi formul" data-language-autonym="Azərbaycanca" data-language-local-name="azeră" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A5%D1%96%D0%BC%D1%96%D1%87%D0%BD%D0%B0%D1%8F_%D1%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0" title="Хімічная формула – belarusă" lang="be" hreflang="be" data-title="Хімічная формула" data-language-autonym="Беларуская" data-language-local-name="belarusă" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D1%87%D0%BD%D0%B0_%D1%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0" title="Химична формула – bulgară" lang="bg" hreflang="bg" data-title="Химична формула" data-language-autonym="Български" data-language-local-name="bulgară" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-blk mw-list-item"><a href="https://blk.wikipedia.org/wiki/%E1%80%93%E1%80%AC%E1%80%90%E1%80%AF%E1%80%97%E1%80%B1%E1%80%92_%E1%80%96%E1%80%B1%E1%80%AC%E1%80%BA%E1%80%99%E1%80%BB%E1%80%B0%E1%80%9C%E1%80%AC" title="ဓာတုဗေဒ ဖော်မျူလာ – Pa'O" lang="blk" hreflang="blk" data-title="ဓာတုဗေဒ ဖော်မျူလာ" data-language-autonym="ပအိုဝ်ႏဘာႏသာႏ" data-language-local-name="Pa'O" class="interlanguage-link-target"><span>ပအိုဝ်ႏဘာႏသာႏ</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B0%E0%A6%BE%E0%A6%B8%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%A8%E0%A6%BF%E0%A6%95_%E0%A6%B8%E0%A6%82%E0%A6%95%E0%A7%87%E0%A6%A4" title="রাসায়নিক সংকেত – bengaleză" lang="bn" hreflang="bn" data-title="রাসায়নিক সংকেত" data-language-autonym="বাংলা" data-language-local-name="bengaleză" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Formulenn_gimiek" title="Formulenn gimiek – bretonă" lang="br" hreflang="br" data-title="Formulenn gimiek" 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/Hemijska_formula" title="Hemijska formula – bosniacă" lang="bs" hreflang="bs" data-title="Hemijska formula" 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/F%C3%B3rmula_qu%C3%ADmica" title="Fórmula química – catalană" lang="ca" hreflang="ca" data-title="Fórmula química" 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/Hu%C3%A1-h%C5%8Fk-s%C3%A9k" title="Huá-hŏk-sék – Mindong" lang="cdo" hreflang="cdo" data-title="Huá-hŏk-sék" 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-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%B4%DB%8E%D9%88%DA%AF%DB%8C_%DA%A9%DB%8C%D9%85%DB%8C%D8%A7%DB%8C%DB%8C" title="شێوگی کیمیایی – kurdă centrală" lang="ckb" hreflang="ckb" data-title="شێوگی کیمیایی" data-language-autonym="کوردی" data-language-local-name="kurdă centrală" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Chemick%C3%BD_vzorec" title="Chemický vzorec – cehă" lang="cs" hreflang="cs" data-title="Chemický vzorec" 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%A5%D0%B8%D0%BC%D0%B8%D0%BB%D0%BB%D0%B5_%D1%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0" title="Химилле формула – ciuvașă" lang="cv" hreflang="cv" data-title="Химилле формула" data-language-autonym="Чӑвашла" data-language-local-name="ciuvașă" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Sumformel" title="Sumformel – daneză" lang="da" hreflang="da" data-title="Sumformel" 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/Chemische_Formel" title="Chemische Formel – germană" lang="de" hreflang="de" data-title="Chemische Formel" 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%A7%CE%B7%CE%BC%CE%B9%CE%BA%CF%8C%CF%82_%CF%84%CF%8D%CF%80%CE%BF%CF%82" title="Χημικός τύπος – greacă" lang="el" hreflang="el" data-title="Χημικός τύπος" data-language-autonym="Ελληνικά" data-language-local-name="greacă" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Chemical_formula" title="Chemical formula – engleză" lang="en" hreflang="en" data-title="Chemical formula" 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/Kemia_formulo" title="Kemia formulo – esperanto" lang="eo" hreflang="eo" data-title="Kemia formulo" 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/F%C3%B3rmula_qu%C3%ADmica" title="Fórmula química – spaniolă" lang="es" hreflang="es" data-title="Fórmula química" 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/Keemiline_valem" title="Keemiline valem – estonă" lang="et" hreflang="et" data-title="Keemiline valem" 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/Formula_kimiko" title="Formula kimiko – bască" lang="eu" hreflang="eu" data-title="Formula kimiko" 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/%D9%81%D8%B1%D9%85%D9%88%D9%84_%D8%B4%DB%8C%D9%85%DB%8C%D8%A7%DB%8C%DB%8C" title="فرمول شیمیایی – persană" lang="fa" hreflang="fa" data-title="فرمول شیمیایی" 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/Kemiallinen_kaava" title="Kemiallinen kaava – finlandeză" lang="fi" hreflang="fi" data-title="Kemiallinen kaava" data-language-autonym="Suomi" data-language-local-name="finlandeză" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Formule_chimique" title="Formule chimique – franceză" lang="fr" hreflang="fr" data-title="Formule chimique" data-language-autonym="Français" data-language-local-name="franceză" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Foirmle_cheimiceach" title="Foirmle cheimiceach – irlandeză" lang="ga" hreflang="ga" data-title="Foirmle cheimiceach" 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/%E5%8C%96%E5%AD%B8%E5%BC%8F" title="化學式 – chineză gan" lang="gan" hreflang="gan" data-title="化學式" 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-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/F%C3%B3rmula_qu%C3%ADmica" title="Fórmula química – galiciană" lang="gl" hreflang="gl" data-title="Fórmula química" data-language-autonym="Galego" data-language-local-name="galiciană" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Formley_kemmigagh" title="Formley kemmigagh – manx" lang="gv" hreflang="gv" data-title="Formley kemmigagh" data-language-autonym="Gaelg" data-language-local-name="manx" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9B%D7%AA%D7%99%D7%91_%D7%9B%D7%99%D7%9E%D7%99" title="כתיב כימי – ebraică" lang="he" hreflang="he" data-title="כתיב כימי" 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%B0%E0%A4%BE%E0%A4%B8%E0%A4%BE%E0%A4%AF%E0%A4%A8%E0%A4%BF%E0%A4%95_%E0%A4%B8%E0%A5%82%E0%A4%A4%E0%A5%8D%E0%A4%B0" title="रासायनिक सूत्र – hindi" lang="hi" hreflang="hi" data-title="रासायनिक सूत्र" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Kemijska_formula" title="Kemijska formula – croată" lang="hr" hreflang="hr" data-title="Kemijska formula" 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/F%C3%B2mil_chimik" title="Fòmil chimik – haitiană" lang="ht" hreflang="ht" data-title="Fòmil chimik" 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/K%C3%A9miai_k%C3%A9plet" title="Kémiai képlet – maghiară" lang="hu" hreflang="hu" data-title="Kémiai képlet" 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/%D5%94%D5%AB%D5%B4%D5%AB%D5%A1%D5%AF%D5%A1%D5%B6_%D5%A2%D5%A1%D5%B6%D5%A1%D5%B1%D6%87" title="Քիմիական բանաձև – armeană" lang="hy" hreflang="hy" data-title="Քիմիական բանաձև" 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/Formula_chimic" title="Formula chimic – interlingua" lang="ia" hreflang="ia" data-title="Formula chimic" 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/Rumus_kimia" title="Rumus kimia – indoneziană" lang="id" hreflang="id" data-title="Rumus kimia" 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/Kemiala_formulo" title="Kemiala formulo – ido" lang="io" hreflang="io" data-title="Kemiala formulo" 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/Efnaform%C3%BAla" title="Efnaformúla – islandeză" lang="is" hreflang="is" data-title="Efnaformúla" 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/Formula_chimica" title="Formula chimica – italiană" lang="it" hreflang="it" data-title="Formula chimica" data-language-autonym="Italiano" data-language-local-name="italiană" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%8C%96%E5%AD%A6%E5%BC%8F" title="化学式 – japoneză" lang="ja" hreflang="ja" data-title="化学式" 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-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Rumus_kimia" title="Rumus kimia – javaneză" lang="jv" hreflang="jv" data-title="Rumus kimia" 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%A5%E1%83%98%E1%83%9B%E1%83%98%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%A4%E1%83%9D%E1%83%A0%E1%83%9B%E1%83%A3%E1%83%9A%E1%83%90" title="ქიმიური ფორმულა – georgiană" lang="ka" hreflang="ka" data-title="ქიმიური ფორმულა" data-language-autonym="ქართული" data-language-local-name="georgiană" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Taftart_takrurant" title="Taftart takrurant – kabyle" lang="kab" hreflang="kab" data-title="Taftart takrurant" data-language-autonym="Taqbaylit" data-language-local-name="kabyle" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D1%8F%D0%BB%D1%8B%D2%9B_%D1%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0" title="Химиялық формула – kazahă" lang="kk" hreflang="kk" data-title="Химиялық формула" data-language-autonym="Қазақша" data-language-local-name="kazahă" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/%E1%9E%9A%E1%9E%BC%E1%9E%94%E1%9E%98%E1%9E%93%E1%9F%92%E1%9E%8F%E1%9E%82%E1%9E%B8%E1%9E%98%E1%9E%B8" title="រូបមន្តគីមី – khmeră" lang="km" hreflang="km" data-title="រូបមន្តគីមី" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="khmeră" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%99%94%ED%95%99%EC%8B%9D" title="화학식 – coreeană" lang="ko" hreflang="ko" data-title="화학식" data-language-autonym="한국어" data-language-local-name="coreeană" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D1%8F%D0%BB%D1%8B%D0%BA_%D1%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0%D0%BB%D0%B0%D1%80" title="Химиялык формулалар – kârgâză" lang="ky" hreflang="ky" data-title="Химиялык формулалар" 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/Formula_chemica" title="Formula chemica – latină" lang="la" hreflang="la" data-title="Formula chemica" 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/Cheemesch_Formel" title="Cheemesch Formel – luxemburgheză" lang="lb" hreflang="lb" data-title="Cheemesch Formel" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgheză" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Furmula_chimica" title="Furmula chimica – Lombard" lang="lmo" hreflang="lmo" data-title="Furmula chimica" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Chemin%C4%97_formul%C4%97" title="Cheminė formulė – lituaniană" lang="lt" hreflang="lt" data-title="Cheminė formulė" 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/%C4%B6%C4%ABmisk%C4%81_formula" title="Ķīmiskā formula – letonă" lang="lv" hreflang="lv" data-title="Ķīmiskā formula" data-language-autonym="Latviešu" data-language-local-name="letonă" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A5%D0%B5%D0%BC%D0%B8%D1%81%D0%BA%D0%B0_%D1%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0" title="Хемиска формула – macedoneană" lang="mk" hreflang="mk" data-title="Хемиска формула" 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%B0%E0%B4%BE%E0%B4%B8%E0%B4%B8%E0%B5%82%E0%B4%A4%E0%B5%8D%E0%B4%B0%E0%B4%82" title="രാസസൂത്രം – malayalam" lang="ml" hreflang="ml" data-title="രാസസൂത്രം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B0%E0%A4%BE%E0%A4%B8%E0%A4%BE%E0%A4%AF%E0%A4%A8%E0%A4%BF%E0%A4%95_%E0%A4%B8%E0%A5%82%E0%A4%A4%E0%A5%8D%E0%A4%B0" title="रासायनिक सूत्र – marathi" lang="mr" hreflang="mr" data-title="रासायनिक सूत्र" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Formula_kimia" title="Formula kimia – malaeză" lang="ms" hreflang="ms" data-title="Formula kimia" 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%93%E1%80%AC%E1%80%90%E1%80%AF%E1%80%97%E1%80%B1%E1%80%92_%E1%80%96%E1%80%B1%E1%80%AC%E1%80%BA%E1%80%99%E1%80%BB%E1%80%B0%E1%80%9C%E1%80%AC" title="ဓာတုဗေဒ ဖော်မျူလာ – birmană" lang="my" hreflang="my" data-title="ဓာတုဗေဒ ဖော်မျူလာ" 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/Summenformel" title="Summenformel – germana de jos" lang="nds" hreflang="nds" data-title="Summenformel" 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-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%B0%E0%A4%BE%E0%A4%B8%E0%A4%BE%E0%A4%AF%E0%A4%A8%E0%A4%BF%E0%A4%95_%E0%A4%B8%E0%A5%82%E0%A4%A4%E0%A5%8D%E0%A4%B0" title="रासायनिक सूत्र – nepaleză" lang="ne" hreflang="ne" data-title="रासायनिक सूत्र" data-language-autonym="नेपाली" data-language-local-name="nepaleză" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Chemische_formule" title="Chemische formule – neerlandeză" lang="nl" hreflang="nl" data-title="Chemische formule" 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/Kjemisk_formel" title="Kjemisk formel – norvegiană nynorsk" lang="nn" hreflang="nn" data-title="Kjemisk formel" 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/Kjemisk_formel" title="Kjemisk formel – norvegiană bokmål" lang="nb" hreflang="nb" data-title="Kjemisk formel" 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-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Formula_quimica" title="Formula quimica – occitană" lang="oc" hreflang="oc" data-title="Formula quimica" data-language-autonym="Occitan" data-language-local-name="occitană" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B0%E0%A8%B8%E0%A8%BE%E0%A8%87%E0%A8%A3%E0%A8%95_%E0%A8%AB%E0%A8%BC%E0%A8%BE%E0%A8%B0%E0%A8%AE%E0%A9%82%E0%A8%B2%E0%A8%BE" title="ਰਸਾਇਣਕ ਫ਼ਾਰਮੂਲਾ – punjabi" lang="pa" hreflang="pa" data-title="ਰਸਾਇਣਕ ਫ਼ਾਰਮੂਲਾ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Symbolika_chemiczna" title="Symbolika chemiczna – poloneză" lang="pl" hreflang="pl" data-title="Symbolika chemiczna" data-language-autonym="Polski" data-language-local-name="poloneză" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%DA%A9%DB%8C%D9%85%DB%8C%D8%A7%D8%A6%DB%8C_%D9%81%D8%A7%D8%B1%D9%85%D9%88%D9%84%D8%A7" title="کیمیائی فارمولا – Western Punjabi" lang="pnb" hreflang="pnb" data-title="کیمیائی فارمولا" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/F%C3%B3rmula_qu%C3%ADmica" title="Fórmula química – portugheză" lang="pt" hreflang="pt" data-title="Fórmula química" data-language-autonym="Português" data-language-local-name="portugheză" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B0%D1%8F_%D1%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0" title="Химическая формула – rusă" lang="ru" hreflang="ru" data-title="Химическая формула" data-language-autonym="Русский" data-language-local-name="rusă" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D1%8F_%D1%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0%D1%82%D0%B0" title="Химия формулата – sakha" lang="sah" hreflang="sah" data-title="Химия формулата" 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-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Chemical_formula" title="Chemical formula – scots" lang="sco" hreflang="sco" data-title="Chemical formula" 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/Kemijska_formula" title="Kemijska formula – sârbo-croată" lang="sh" hreflang="sh" data-title="Kemijska formula" 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-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%BB%E0%B7%83%E0%B7%8F%E0%B6%BA%E0%B6%B1%E0%B7%92%E0%B6%9A_%E0%B7%83%E0%B7%96%E0%B6%AD%E0%B7%8A%E2%80%8D%E0%B6%BB" title="රසායනික සූත්‍ර – singhaleză" lang="si" hreflang="si" data-title="රසායනික සූත්‍ර" data-language-autonym="සිංහල" data-language-local-name="singhaleză" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Chemical_formula" title="Chemical formula – Simple English" lang="en-simple" hreflang="en-simple" data-title="Chemical formula" 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/Chemick%C3%BD_vzorec" title="Chemický vzorec – slovacă" lang="sk" hreflang="sk" data-title="Chemický vzorec" data-language-autonym="Slovenčina" data-language-local-name="slovacă" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-skr mw-list-item"><a href="https://skr.wikipedia.org/wiki/%DA%A9%DB%8C%D9%85%DB%8C%D8%A7%D8%A6%DB%8C_%D9%81%D8%A7%D8%B1%D9%85%D9%88%D9%84%D8%A7" title="کیمیائی فارمولا – Saraiki" lang="skr" hreflang="skr" data-title="کیمیائی فارمولا" data-language-autonym="سرائیکی" data-language-local-name="Saraiki" class="interlanguage-link-target"><span>سرائیکی</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Kemijska_formula" title="Kemijska formula – slovenă" lang="sl" hreflang="sl" data-title="Kemijska formula" data-language-autonym="Slovenščina" data-language-local-name="slovenă" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Formula_kimike" title="Formula kimike – albaneză" lang="sq" hreflang="sq" data-title="Formula kimike" 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%A5%D0%B5%D0%BC%D0%B8%D1%98%D1%81%D0%BA%D0%B0_%D1%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0" title="Хемијска формула – sârbă" lang="sr" hreflang="sr" data-title="Хемијска формула" 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/Chemiske_Formel" title="Chemiske Formel – Saterland Frisian" lang="stq" hreflang="stq" data-title="Chemiske Formel" 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/Kemisk_formel" title="Kemisk formel – suedeză" lang="sv" hreflang="sv" data-title="Kemisk formel" data-language-autonym="Svenska" data-language-local-name="suedeză" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AF%82%E0%AE%B2%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%82%E0%AE%B1%E0%AF%8D%E0%AE%B1%E0%AF%81_%E0%AE%B5%E0%AE%BE%E0%AE%AF%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%9F%E0%AF%81" title="மூலக்கூற்று வாய்பாடு – tamilă" lang="ta" hreflang="ta" data-title="மூலக்கூற்று வாய்பாடு" 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%B0%E0%B0%B8%E0%B0%BE%E0%B0%AF%E0%B0%A8_%E0%B0%B8%E0%B1%82%E0%B0%A4%E0%B1%8D%E0%B0%B0%E0%B0%82" title="రసాయన సూత్రం – telugu" lang="te" hreflang="te" data-title="రసాయన సూత్రం" 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%A4%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0%D0%B8_%D1%85%D0%B8%D0%BC%D0%B8%D1%8F%D0%B2%D3%A3" title="Формулаи химиявӣ – tadjică" lang="tg" hreflang="tg" data-title="Формулаи химиявӣ" 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%B8%AA%E0%B8%B9%E0%B8%95%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A1%E0%B8%B5" title="สูตรเคมี – thailandeză" lang="th" hreflang="th" data-title="สูตรเคมี" 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/Pormulang_kemikal" title="Pormulang kemikal – tagalog" lang="tl" hreflang="tl" data-title="Pormulang kemikal" 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/Kimyasal_form%C3%BCl" title="Kimyasal formül – turcă" lang="tr" hreflang="tr" data-title="Kimyasal formül" data-language-autonym="Türkçe" data-language-local-name="turcă" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A5%D1%96%D0%BC%D1%96%D1%87%D0%BD%D0%B0_%D1%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0" title="Хімічна формула – ucraineană" lang="uk" hreflang="uk" data-title="Хімічна формула" 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/%DA%A9%DB%8C%D9%85%DB%8C%D8%A7%D8%A6%DB%8C_%D8%B5%DB%8C%D8%BA%DB%81" title="کیمیائی صیغہ – urdu" lang="ur" hreflang="ur" data-title="کیمیائی صیغہ" 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/Kimyoviy_formulalar" title="Kimyoviy formulalar – uzbecă" lang="uz" hreflang="uz" data-title="Kimyoviy formulalar" 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-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/C%C3%B4ng_th%E1%BB%A9c_h%C3%B3a_h%E1%BB%8Dc" title="Công thức hóa học – vietnameză" lang="vi" hreflang="vi" data-title="Công thức hóa học" 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-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Formula_nga_kimikal" title="Formula nga kimikal – waray" lang="war" hreflang="war" data-title="Formula nga kimikal" 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/%E5%8C%96%E5%AD%A6%E5%BC%8F" title="化学式 – chineză wu" lang="wuu" hreflang="wuu" data-title="化学式" 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-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%8C%96%E5%AD%A6%E5%BC%8F" title="化学式 – chineză" lang="zh" hreflang="zh" data-title="化学式" 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/%E5%8C%96%E5%AD%B8%E5%BC%8F" title="化學式 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="化學式" 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/H%C3%B2a-ha%CC%8Dk-sek" title="Hòa-ha̍k-sek – chineză min nan" lang="nan" hreflang="nan" data-title="Hòa-ha̍k-sek" 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/%E5%8C%96%E5%AD%B8%E5%BC%8F" title="化學式 – cantoneză" lang="yue" hreflang="yue" data-title="化學式" data-language-autonym="粵語" data-language-local-name="cantoneză" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div 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versiune a acestei pagini"><span>Legătură permanentă</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Formul%C4%83_chimic%C4%83&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=Formul%C4%83_chimic%C4%83&id=16568650&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%2FFormul%25C4%2583_chimic%25C4%2583"><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%2FFormul%25C4%2583_chimic%25C4%2583"><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=Formul%C4%83+chimic%C4%83"><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=Formul%C4%83_chimic%C4%83&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=Formul%C4%83_chimic%C4%83&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/Category:Chemical_formulas" 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/Q83147" 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 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<div id="siteSub" class="noprint">De la Wikipedia, enciclopedia liberă</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirecționat de la <a href="/w/index.php?title=Formula_chimic%C4%83&redirect=no" class="mw-redirect" title="Formula chimică">Formula chimică</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ro" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r16501920">.mw-parser-output .ambox{margin:0px 10%;border:1px solid #aaa;border-left:10px solid #1e90ff;background:#fbfbfb}.mw-parser-output table.ambox-notice{border-left:10px solid #1e90ff}.mw-parser-output table.ambox-speedy{border-left:10px solid #b22222;background:#fee}.mw-parser-output table.ambox-delete{border-left:10px solid #b22222}.mw-parser-output table.ambox-content{border-left:10px solid #f28500}.mw-parser-output table.ambox-style{border-left:10px solid #f4c430}.mw-parser-output table.ambox-move{border-left:10px solid #9932cc}.mw-parser-output table.ambox-protection{border-left:10px solid #bba}@media screen{html.skin-theme-clientpref-night .mw-parser-output .ambox,html.skin-theme-clientpref-night .mw-parser-output .ambox-notice{border-left:10px solid #000f1e!important}html.skin-theme-clientpref-night .mw-parser-output .ambox-speedy{background-color:#310402!important}html.skin-theme-clientpref-night .mw-parser-output .ambox-speedy,html.skin-theme-clientpref-night .mw-parser-output .ambox-delete{border-left:10px solid #070101!important}html.skin-theme-clientpref-night .mw-parser-output .ambox-content{border-left:10px solid #261500!important}html.skin-theme-clientpref-night .mw-parser-output .ambox-style{border-left:10px solid #544004!important}html.skin-theme-clientpref-night .mw-parser-output .ambox-move{border-left:10px solid #1e0a28!important}html.skin-theme-clientpref-night .mw-parser-output .ambox-protection{border-left:10px solid #bba!important}html.skin-theme-clientpref-night .mw-parser-output .ambox-notice,html.skin-theme-clientpref-night .mw-parser-output .ambox-delete,html.skin-theme-clientpref-night .mw-parser-output .ambox-content,html.skin-theme-clientpref-night .mw-parser-output .ambox-style,html.skin-theme-clientpref-night .mw-parser-output .ambox-move,html.skin-theme-clientpref-night .mw-parser-output .ambox-protection{background-color:#202122!important}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .ambox,html.skin-theme-clientpref-os .mw-parser-output .ambox-notice{border-left:10px solid #000f1e!important}html.skin-theme-clientpref-os .mw-parser-output .ambox-speedy{background-color:#310402!important}html.skin-theme-clientpref-os .mw-parser-output .ambox-speedy,html.skin-theme-clientpref-os .mw-parser-output .ambox-delete{border-left:10px solid #070101!important}html.skin-theme-clientpref-os .mw-parser-output .ambox-content{border-left:10px solid #261500!important}html.skin-theme-clientpref-os .mw-parser-output .ambox-style{border-left:10px solid #544004!important}html.skin-theme-clientpref-os .mw-parser-output .ambox-move{border-left:10px solid #1e0a28!important}html.skin-theme-clientpref-os .mw-parser-output .ambox-protection{border-left:10px solid #bba!important}html.skin-theme-clientpref-os .mw-parser-output .ambox-notice,html.skin-theme-clientpref-os .mw-parser-output .ambox-delete,html.skin-theme-clientpref-os .mw-parser-output .ambox-content,html.skin-theme-clientpref-os .mw-parser-output .ambox-style,html.skin-theme-clientpref-os .mw-parser-output .ambox-move,html.skin-theme-clientpref-os .mw-parser-output .ambox-protection{background-color:#202122!important}}</style><table class="metadata plainlinks ambox ambox ambox-content ambox-content" style=""> <tbody><tr><td class="mbox-image"><div style="width: 52px;"><span typeof="mw:File"><a href="/wiki/Fi%C8%99ier:Question_book-4.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/50px-Question_book-4.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/75px-Question_book-4.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/100px-Question_book-4.svg.png 2x" data-file-width="262" data-file-height="204" /></a></span></div></td><td class="mbox-text" style=""><span class="mbox-text-span"><b>Acest articol sau această secțiune are <a href="/wiki/Wikipedia:Citarea_surselor" title="Wikipedia:Citarea surselor">bibliografia</a> incompletă sau inexistentă.</b><br /> Puteți contribui prin adăugarea de referințe în vederea <a href="/wiki/Wikipedia:Verificabilitate" title="Wikipedia:Verificabilitate">susținerii bibliografice</a> a afirmațiilor pe care le conține.<span class="hide-when-compact"> </span><span class="hide-when-compact"> </span></span></td></tr></tbody></table><table class="infobox" cellspacing="5" style="width: 22em; text-align: left; font-size: 88%; line-height: 1.5em;"><caption class="" style="font-size: 125%; font-weight: bold;">Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub></caption> <tbody><tr><td colspan="2" class="" style="text-align:center;"><a href="/wiki/Sulfat_de_aluminiu" title="Sulfat de aluminiu">Sulfatul de aluminiu</a> are formula chimică Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>. Forma hexahidratată are formula <span style="white-space:nowrap;"><span style="font-size:90%;">Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>•16<a href="/wiki/Ap%C4%83" title="Apă">H<sub>2</sub>O</a></span></span>.</td></tr> </tbody></table> <table class="infobox" cellspacing="5" style="width: 22em; text-align: left; font-size: 88%; line-height: 1.5em;"><caption class="" style="font-size: 125%; font-weight: bold;"><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 {\ce {H-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-H}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>H</mtext> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mover> <munder> <mtext>C</mtext> <mfrac linethickness="0"> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> <mstyle displaystyle="true" scriptlevel="0"> <mtext>H</mtext> </mstyle> </mfrac> </munder> <mfrac linethickness="0"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>H</mtext> </mstyle> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> </mfrac> </mover> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mover> <munder> <mtext>C</mtext> <mfrac linethickness="0"> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> <mstyle displaystyle="true" scriptlevel="0"> <mtext>H</mtext> </mstyle> </mfrac> </munder> <mfrac linethickness="0"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>H</mtext> </mstyle> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> </mfrac> </mover> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mover> <munder> <mtext>C</mtext> <mfrac linethickness="0"> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> <mstyle displaystyle="true" scriptlevel="0"> <mtext>H</mtext> </mstyle> </mfrac> </munder> <mfrac linethickness="0"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>H</mtext> </mstyle> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> </mfrac> </mover> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mover> <munder> <mtext>C</mtext> <mfrac linethickness="0"> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> <mstyle displaystyle="true" scriptlevel="0"> <mtext>H</mtext> </mstyle> </mfrac> </munder> <mfrac linethickness="0"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>H</mtext> </mstyle> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> </mfrac> </mover> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> </mrow> <mtext>H</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {H-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-H}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9832d7ae154c8aa976748d951691b600c631232b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -4.338ex; width:21.729ex; height:10.009ex;" alt="{\displaystyle {\ce {H-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-H}}}"></span></caption> <tbody><tr><td colspan="2" class="" style="text-align:center;"><a href="/wiki/Formul%C4%83_structural%C4%83" title="Formulă structurală">Formula structurală</a> pentru <i>n</i>-<a href="/wiki/Butan" title="Butan">butan</a>. Aceasta nu este o formulă chimică, ci următoarele: formula empirică C<sub>2</sub>H<sub>5</sub>, formula moleculară C<sub>4</sub>H<sub>10</sub> și formula restrânsă CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub>.</td></tr> </tbody></table> <p><b>Formula chimică</b> sau <i>formula moleculară</i> este o expresie care reprezintă <a href="/wiki/Compozi%C8%9Bie_chimic%C4%83" title="Compoziție chimică">compoziția</a> unei substanțe chimice pure cu ajutorul <a href="/wiki/Simbol" title="Simbol">simbolurilor</a> pentru elementele chimice constitutive. Această formulă servește în <a href="/wiki/Chimie" title="Chimie">chimie</a> pentru indicarea numărului de <a href="/wiki/Atom" title="Atom">atomi</a> dintr-o <a href="/wiki/Molecul%C4%83" title="Moleculă">moleculă</a>, iar cifrele indică raportul în care se află atomii. Indicarea tipului legăturilor și a orientării lor se face prin <a href="/wiki/Formula_structural%C4%83" class="mw-redirect" title="Formula structurală">formula structurală</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Tipuri">Tipuri</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Formul%C4%83_chimic%C4%83&veaction=edit&section=1" title="Modifică secțiunea: Tipuri" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Formul%C4%83_chimic%C4%83&action=edit&section=1" title="Edit section's source code: Tipuri"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Cel mai simplu tip de formulă chimică este <i><a href="/wiki/Formul%C4%83_empiric%C4%83" title="Formulă empirică">formula empirică</a></i> sau brută, care reprezintă proporția fiecărui element dintr-un compus. <i>Formula moleculară</i> este acea formulă chimică ce nu oferă nicio informație referitoare la structură, dar reprezintă numărul corect de atom din fiecare element chimic. <i><a href="/wiki/Formul%C4%83_structural%C4%83" title="Formulă structurală">Formula structurală</a></i> nu este în sine o formulă chimică, ci este o reprezentare mai complexă care oferă detalii referitoare la <a href="/wiki/Structur%C4%83_chimic%C4%83" title="Structură chimică">structura chimică</a> (cu ajutorul desenelor, proiecțiilor, etc.). Formula structurală restrânsă sau condensată este acea formulă prin care se reprezintă structura într-un mod compact, ca o formulă moleculară „desfăcută”. </p> <div class="mw-heading mw-heading2"><h2 id="Semnificație"><span id="Semnifica.C8.9Bie"></span>Semnificație</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Formul%C4%83_chimic%C4%83&veaction=edit&section=2" title="Modifică secțiunea: Semnificație" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Formul%C4%83_chimic%C4%83&action=edit&section=2" title="Edit section's source code: Semnificație"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Formula chimică indică elementele care se combină și raportul numeric al particulelor în care acestea reacționează. <i>Formula brută</i> reprezintă raportul numeric în care se combină particulele dintr-un compus chimic. O formulă chimica <i>nu</i> indică ce tipuri de particule se combină. De exemplu, în clorura de sodiu, <a href="/wiki/NaCl" class="mw-redirect" title="NaCl">NaCl</a>, particulele componente sunt <a href="/wiki/Ioni" class="mw-redirect" title="Ioni">ioni</a>, iar în apă, H<sub>2</sub>O, particulele sunt <a href="/wiki/Atom" title="Atom">atomi</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Stabilire">Stabilire</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Formul%C4%83_chimic%C4%83&veaction=edit&section=3" title="Modifică secțiunea: Stabilire" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Formul%C4%83_chimic%C4%83&action=edit&section=3" title="Edit section's source code: Stabilire"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Pentru a stabili formula unei substanțe chimice este necesară cunoașterea <a href="/wiki/Valen%C8%9Bei" class="mw-redirect" title="Valenței">valenței</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Exemplu">Exemplu</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Formul%C4%83_chimic%C4%83&veaction=edit&section=4" title="Modifică secțiunea: Exemplu" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Formul%C4%83_chimic%C4%83&action=edit&section=4" title="Edit section's source code: Exemplu"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Pentru a exemplifica această operație, vom realiza scrierea oxidului de magneziu. Reprezentarea se face astfel: </p> <ul><li><b>Se scriu simbolurile elementelor invers de cum se aud: MgO</b></li> <li><b>Scrierea valenței elementelor deasupra simbolurilor</b></li> <li><b>Simplificarea valențelor</b>(după caz)</li> <li><b>Scrierea <a href="/w/index.php?title=Indicilor&action=edit&redlink=1" class="new" title="Indicilor — pagină inexistentă">indicilor</a> astfel: valența unui element se scrie indice la vecinul său. Indicele 1 </b>NU <b> se scrie.</b></li></ul> <dl><dd><i>Orientarea în spațiu a atomilor cu prezentarea scheletului moleculei apare în <a href="/wiki/Formula_structural%C4%83" class="mw-redirect" title="Formula structurală">formula structurală</a>.</i></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Formul%C4%83_chimic%C4%83&veaction=edit&section=5" title="Modifică secțiunea: Note" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Formul%C4%83_chimic%C4%83&action=edit&section=5" title="Edit section's source code: Note"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Adus de la <a dir="ltr" href="https://ro.wikipedia.org/w/index.php?title=Formulă_chimică&oldid=16568650">https://ro.wikipedia.org/w/index.php?title=Formulă_chimică&oldid=16568650</a></div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categorii" title="Special:Categorii">Categorii</a>: <ul><li><a href="/wiki/Categorie:Nota%C8%9Bii" title="Categorie:Notații">Notații</a></li><li><a href="/wiki/Categorie:Substan%C8%9Be_chimice" title="Categorie:Substanțe chimice">Substanțe chimice</a></li><li><a href="/wiki/Categorie:Terminologie_%C8%99tiin%C8%9Bific%C4%83" title="Categorie:Terminologie științifică">Terminologie științifică</a></li><li><a href="/w/index.php?title=Categorie:Pages_that_use_a_deprecated_format_of_the_chem_tags&action=edit&redlink=1" class="new" title="Categorie:Pages that use a deprecated format of the chem tags — pagină inexistentă">Pages that use a deprecated format of the chem tags</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Categorie ascunsă: <ul><li><a href="/wiki/Categorie:Articole_cu_suport_bibliografic_necorespunz%C4%83tor" title="Categorie:Articole cu suport bibliografic necorespunzător">Articole cu suport bibliografic necorespunzător</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Ultima editare a paginii a fost efectuată la 15 octombrie 2024, ora 17:05.</li> <li id="footer-info-copyright">Acest text este disponibil sub licența <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.ro">Creative Commons cu atribuire și distribuire în condiții identice</a>; pot exista și clauze suplimentare. 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