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vector-pinnable-element"> <div class="vector-pinnable-header 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">Tartalomjegyzék</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">áthelyezés az oldalsávba</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">elrejtés</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">Bevezető</div> </a> </li> <li id="toc-Kapcsolódó_szócikkek" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Kapcsolódó_szócikkek"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Kapcsolódó szócikkek</span> </div> </a> <ul id="toc-Kapcsolódó_szócikkek-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Jegyzetek" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Jegyzetek"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Jegyzetek</span> </div> </a> <ul id="toc-Jegyzetek-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="Tartalomjegyzék" 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="Tartalomjegyzék kinyitása/becsukása" > <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">Tartalomjegyzék kinyitása/becsukása</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">Vegyjel</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="Ugrás egy más nyelvű szócikkre. Elérhető 83 nyelven" > <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-83" 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">83 nyelv</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Chemical_symbol" title="Chemical symbol – angol" lang="en" hreflang="en" data-title="Chemical symbol" data-language-autonym="English" data-language-local-name="angol" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Chemiese_simbool" title="Chemiese simbool – afrikaans" lang="af" hreflang="af" data-title="Chemiese simbool" 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%B1%D9%85%D8%B2_%D9%83%D9%8A%D9%85%D9%8A%D8%A7%D8%A6%D9%8A" title="رمز كيميائي – arab" lang="ar" hreflang="ar" data-title="رمز كيميائي" data-language-autonym="العربية" data-language-local-name="arab" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/S%C3%ADmbolu_qu%C3%ADmicu" title="Símbolu químicu – asztúr" lang="ast" hreflang="ast" data-title="Símbolu químicu" data-language-autonym="Asturianu" data-language-local-name="asztúr" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A1%D1%96%D0%BC%D0%B2%D0%B0%D0%BB%D1%8B_%D1%85%D1%96%D0%BC%D1%96%D1%87%D0%BD%D1%8B%D1%85_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D0%B0%D1%9E" title="Сімвалы хімічных элементаў – belarusz" lang="be" hreflang="be" data-title="Сімвалы хімічных элементаў" data-language-autonym="Беларуская" data-language-local-name="belarusz" 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%A5%D1%96%D0%BC%D1%96%D1%87%D0%BD%D1%8B_%D0%B7%D0%BD%D0%B0%D0%BA" title="Хімічны знак – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Хімічны знак" 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-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%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A7%80%E0%A6%95" title="রাসায়নিক প্রতীক – bangla" lang="bn" hreflang="bn" data-title="রাসায়নিক প্রতীক" data-language-autonym="বাংলা" data-language-local-name="bangla" 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/Arouez_kimiek" title="Arouez kimiek – breton" lang="br" hreflang="br" data-title="Arouez kimiek" data-language-autonym="Brezhoneg" data-language-local-name="breton" 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/Hemijski_simbol" title="Hemijski simbol – bosnyák" lang="bs" hreflang="bs" data-title="Hemijski simbol" data-language-autonym="Bosanski" data-language-local-name="bosnyák" 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/S%C3%ADmbol_qu%C3%ADmic" title="Símbol químic – katalán" lang="ca" hreflang="ca" data-title="Símbol químic" data-language-autonym="Català" data-language-local-name="katalán" 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_h%C3%B9-h%C3%B4%CC%A4" title="Huá-hŏk hù-hô̤ – Mindong" lang="cdo" hreflang="cdo" data-title="Huá-hŏk hù-hô̤" 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/%DA%BE%DB%8E%D9%85%D8%A7%DB%8C_%DA%A9%DB%8C%D9%85%DB%8C%D8%A7%DB%8C%DB%8C" title="ھێمای کیمیایی – közép-ázsiai kurd" lang="ckb" hreflang="ckb" data-title="ھێمای کیمیایی" data-language-autonym="کوردی" data-language-local-name="közép-ázsiai kurd" 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/Symbol_prvku" title="Symbol prvku – cseh" lang="cs" hreflang="cs" data-title="Symbol prvku" data-language-autonym="Čeština" data-language-local-name="cseh" 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%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%81%D0%B5%D0%BD_%D1%81%D0%B8%D0%BC%D0%B2%D0%BE%D0%BB%C4%95%D1%81%D0%B5%D0%BC" title="Химилле элементсен символĕсем – csuvas" lang="cv" hreflang="cv" data-title="Химилле элементсен символĕсем" data-language-autonym="Чӑвашла" data-language-local-name="csuvas" 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/Symbol_cemegol" title="Symbol cemegol – walesi" lang="cy" hreflang="cy" data-title="Symbol cemegol" data-language-autonym="Cymraeg" data-language-local-name="walesi" 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/Atomtegn" title="Atomtegn – dán" lang="da" hreflang="da" data-title="Atomtegn" data-language-autonym="Dansk" data-language-local-name="dán" 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/Elementsymbol" title="Elementsymbol – német" lang="de" hreflang="de" data-title="Elementsymbol" data-language-autonym="Deutsch" data-language-local-name="német" 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%83%CF%8D%CE%BC%CE%B2%CE%BF%CE%BB%CE%BF" title="Χημικό σύμβολο – görög" lang="el" hreflang="el" data-title="Χημικό σύμβολο" data-language-autonym="Ελληνικά" data-language-local-name="görög" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Kemia_simbolo" title="Kemia simbolo – eszperantó" lang="eo" hreflang="eo" data-title="Kemia simbolo" data-language-autonym="Esperanto" data-language-local-name="eszperantó" 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/S%C3%ADmbolo_qu%C3%ADmico" title="Símbolo químico – spanyol" lang="es" hreflang="es" data-title="Símbolo químico" data-language-autonym="Español" data-language-local-name="spanyol" 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_s%C3%BCmbol" title="Keemiline sümbol – észt" lang="et" hreflang="et" data-title="Keemiline sümbol" data-language-autonym="Eesti" data-language-local-name="észt" 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/Ikur_kimiko" title="Ikur kimiko – baszk" lang="eu" hreflang="eu" data-title="Ikur kimiko" data-language-autonym="Euskara" data-language-local-name="baszk" 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%86%D9%85%D8%A7%D8%AF_%D8%B4%DB%8C%D9%85%DB%8C%D8%A7%DB%8C%DB%8C" title="نماد شیمیایی – perzsa" lang="fa" hreflang="fa" data-title="نماد شیمیایی" data-language-autonym="فارسی" data-language-local-name="perzsa" 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_merkki" title="Kemiallinen merkki – finn" lang="fi" hreflang="fi" data-title="Kemiallinen merkki" data-language-autonym="Suomi" data-language-local-name="finn" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fiu-vro mw-list-item"><a href="https://fiu-vro.wikipedia.org/wiki/Elemendi_tunnus" title="Elemendi tunnus – Võro" lang="vro" hreflang="vro" data-title="Elemendi tunnus" data-language-autonym="Võro" data-language-local-name="Võro" class="interlanguage-link-target"><span>Võro</span></a></li><li class="interlanguage-link interwiki-fr badge-Q70894304 mw-list-item" title=""><a href="https://fr.wikipedia.org/wiki/Symbole_chimique" title="Symbole chimique – francia" lang="fr" hreflang="fr" data-title="Symbole chimique" data-language-autonym="Français" data-language-local-name="francia" 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/Siombail%C3%AD_agus_foirml%C3%AD_ceimiceacha" title="Siombailí agus foirmlí ceimiceacha – ír" lang="ga" hreflang="ga" data-title="Siombailí agus foirmlí ceimiceacha" data-language-autonym="Gaeilge" data-language-local-name="ír" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Cowrey_kemmigagh" title="Cowrey kemmigagh – man-szigeti" lang="gv" hreflang="gv" data-title="Cowrey kemmigagh" data-language-autonym="Gaelg" data-language-local-name="man-szigeti" 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%A1%D7%9E%D7%9C_%D7%9B%D7%99%D7%9E%D7%99" title="סמל כימי – héber" lang="he" hreflang="he" data-title="סמל כימי" data-language-autonym="עברית" data-language-local-name="héber" 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%AA%E0%A5%8D%E0%A4%B0%E0%A4%A4%E0%A5%80%E0%A4%95" title="रासायनिक प्रतीक – hindi" lang="hi" hreflang="hi" data-title="रासायनिक प्रतीक" 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/Chemical_symbol" title="Chemical symbol – Fiji Hindi" lang="hif" hreflang="hif" data-title="Chemical symbol" 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-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Symbolo_chimic" title="Symbolo chimic – interlingva" lang="ia" hreflang="ia" data-title="Symbolo chimic" data-language-autonym="Interlingua" data-language-local-name="interlingva" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-iba mw-list-item"><a href="https://iba.wikipedia.org/wiki/Simbol_kimia" title="Simbol kimia – iban" lang="iba" hreflang="iba" data-title="Simbol kimia" data-language-autonym="Jaku Iban" data-language-local-name="iban" class="interlanguage-link-target"><span>Jaku Iban</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Lambang_unsur" title="Lambang unsur – indonéz" lang="id" hreflang="id" data-title="Lambang unsur" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonéz" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Kimiko_a_simbolo" title="Kimiko a simbolo – ilokó" lang="ilo" hreflang="ilo" data-title="Kimiko a simbolo" data-language-autonym="Ilokano" data-language-local-name="ilokó" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Simbolo_chimico" title="Simbolo chimico – olasz" lang="it" hreflang="it" data-title="Simbolo chimico" data-language-autonym="Italiano" data-language-local-name="olasz" 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%85%83%E7%B4%A0%E8%A8%98%E5%8F%B7" title="元素記号 – japán" lang="ja" hreflang="ja" data-title="元素記号" data-language-autonym="日本語" data-language-local-name="japán" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Azamul_akruran" title="Azamul akruran – kabije" lang="kab" hreflang="kab" data-title="Azamul akruran" data-language-autonym="Taqbaylit" data-language-local-name="kabije" 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%82%D0%B0%D2%A3%D0%B1%D0%B0%D0%BB%D0%B0%D1%80" title="Химиялық таңбалар – kazah" lang="kk" hreflang="kk" data-title="Химиялық таңбалар" data-language-autonym="Қазақша" data-language-local-name="kazah" 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%93%E1%9E%B7%E1%9E%98%E1%9E%B7%E1%9E%8F%E1%9F%92%E1%9E%8F%E1%9E%9F%E1%9E%89%E1%9F%92%E1%9E%89%E1%9E%B6%E1%9E%82%E1%9E%B8%E1%9E%98%E1%9E%B8" title="និមិត្តសញ្ញាគីមី – khmer" lang="km" hreflang="km" data-title="និមិត្តសញ្ញាគីមី" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="khmer" 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/%EC%9B%90%EC%86%8C_%EA%B8%B0%ED%98%B8" title="원소 기호 – koreai" lang="ko" hreflang="ko" data-title="원소 기호" data-language-autonym="한국어" data-language-local-name="koreai" 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/Diref%C5%9Fa_element%C3%AA" title="Direfşa elementê – kurd" lang="ku" hreflang="ku" data-title="Direfşa elementê" data-language-autonym="Kurdî" data-language-local-name="kurd" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Simbul_chimich" title="Simbul chimich – lombard" lang="lmo" hreflang="lmo" data-title="Simbul chimich" data-language-autonym="Lombard" data-language-local-name="lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/%C4%B6%C4%ABmiskais_simbols" title="Ķīmiskais simbols – lett" lang="lv" hreflang="lv" data-title="Ķīmiskais simbols" data-language-autonym="Latviešu" data-language-local-name="lett" 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%B8_%D1%81%D0%B8%D0%BC%D0%B1%D0%BE%D0%BB" title="Хемиски симбол – macedón" lang="mk" hreflang="mk" data-title="Хемиски симбол" data-language-autonym="Македонски" data-language-local-name="macedón" 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%AA%E0%B5%8D%E0%B4%B0%E0%B4%A4%E0%B5%80%E0%B4%95%E0%B4%82_(%E0%B4%B0%E0%B4%B8%E0%B4%A4%E0%B4%A8%E0%B5%8D%E0%B4%A4%E0%B5%8D%E0%B4%B0%E0%B4%82)" title="പ്രതീകം (രസതന്ത്രം) – malajálam" lang="ml" hreflang="ml" data-title="പ്രതീകം (രസതന്ത്രം)" data-language-autonym="മലയാളം" data-language-local-name="malajálam" 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%A5%D0%B8%D0%BC%D0%B8%D0%B9%D0%BD_%D1%82%D1%8D%D0%BC%D0%B4%D1%8D%D0%B3" title="Химийн тэмдэг – mongol" lang="mn" hreflang="mn" data-title="Химийн тэмдэг" data-language-autonym="Монгол" data-language-local-name="mongol" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Simbol_kimia" title="Simbol kimia – maláj" lang="ms" hreflang="ms" data-title="Simbol kimia" data-language-autonym="Bahasa Melayu" data-language-local-name="maláj" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Atomteken" title="Atomteken – alsónémet" lang="nds" hreflang="nds" data-title="Atomteken" data-language-autonym="Plattdüütsch" data-language-local-name="alsónémet" 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%A4%99%E0%A5%8D%E0%A4%95%E0%A5%87%E0%A4%A4" title="रासायनिक सङ्केत – nepáli" lang="ne" hreflang="ne" data-title="रासायनिक सङ्केत" data-language-autonym="नेपाली" data-language-local-name="nepáli" 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/Chemisch_symbool" title="Chemisch symbool – holland" lang="nl" hreflang="nl" data-title="Chemisch symbool" data-language-autonym="Nederlands" data-language-local-name="holland" 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/Atomsymbol" title="Atomsymbol – norvég (nynorsk)" lang="nn" hreflang="nn" data-title="Atomsymbol" data-language-autonym="Norsk nynorsk" data-language-local-name="norvég (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/Atomsymbol" title="Atomsymbol – norvég (bokmål)" lang="nb" hreflang="nb" data-title="Atomsymbol" data-language-autonym="Norsk bokmål" data-language-local-name="norvég (bokmål)" class="interlanguage-link-target"><span>Norsk bokmål</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%B8%E0%A9%B0%E0%A8%95%E0%A9%87%E0%A8%A4" title="ਰਸਾਇਣਕ ਸੰਕੇਤ – pandzsábi" lang="pa" hreflang="pa" data-title="ਰਸਾਇਣਕ ਸੰਕੇਤ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="pandzsábi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/S%C3%ADmbolo_qu%C3%ADmico" title="Símbolo químico – portugál" lang="pt" hreflang="pt" data-title="Símbolo químico" data-language-autonym="Português" data-language-local-name="portugál" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Simbol_chimic" title="Simbol chimic – román" lang="ro" hreflang="ro" data-title="Simbol chimic" data-language-autonym="Română" data-language-local-name="román" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A1%D0%B8%D0%BC%D0%B2%D0%BE%D0%BB%D1%8B_%D1%85%D0%B8%D0%BC%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D1%85_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D0%BE%D0%B2" title="Символы химических элементов – orosz" lang="ru" hreflang="ru" data-title="Символы химических элементов" data-language-autonym="Русский" data-language-local-name="orosz" 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_%D0%B1%D1%8D%D0%BB%D0%B8%D1%8D%D1%82%D1%8D" title="Химия бэлиэтэ – szaha" lang="sah" hreflang="sah" data-title="Химия бэлиэтэ" data-language-autonym="Саха тыла" data-language-local-name="szaha" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%DA%AA%D9%8A%D9%85%D9%8A%D8%A7%D8%A6%D9%8A_%D9%86%D8%B4%D8%A7%D9%86%D9%8A" title="ڪيميائي نشاني – szindhi" lang="sd" hreflang="sd" data-title="ڪيميائي نشاني" data-language-autonym="سنڌي" data-language-local-name="szindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Hemijski_simbol" title="Hemijski simbol – szerbhorvát" lang="sh" hreflang="sh" data-title="Hemijski simbol" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="szerbhorvát" 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%B6%82%E0%B6%9A%E0%B7%9A%E0%B6%AD" title="රසායනික සංකේත – szingaléz" lang="si" hreflang="si" data-title="රසායනික සංකේත" data-language-autonym="සිංහල" data-language-local-name="szingaléz" 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_symbol" title="Chemical symbol – Simple English" lang="en-simple" hreflang="en-simple" data-title="Chemical symbol" 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%A1_zna%C4%8Dka" title="Chemická značka – szlovák" lang="sk" hreflang="sk" data-title="Chemická značka" data-language-autonym="Slovenčina" data-language-local-name="szlovák" 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/Kemijski_simbol" title="Kemijski simbol – szlovén" lang="sl" hreflang="sl" data-title="Kemijski simbol" data-language-autonym="Slovenščina" data-language-local-name="szlovén" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-smn mw-list-item"><a href="https://smn.wikipedia.org/wiki/Kemiall%C3%A2%C5%A1_merkk%C3%A2" title="Kemiallâš merkkâ – inari számi" lang="smn" hreflang="smn" data-title="Kemiallâš merkkâ" data-language-autonym="Anarâškielâ" data-language-local-name="inari számi" class="interlanguage-link-target"><span>Anarâškielâ</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Summad_kimikeed" title="Summad kimikeed – szomáli" lang="so" hreflang="so" data-title="Summad kimikeed" data-language-autonym="Soomaaliga" data-language-local-name="szomáli" class="interlanguage-link-target"><span>Soomaaliga</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%B8_%D1%81%D0%B8%D0%BC%D0%B1%D0%BE%D0%BB" title="Хемијски симбол – szerb" lang="sr" hreflang="sr" data-title="Хемијски симбол" data-language-autonym="Српски / srpski" data-language-local-name="szerb" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Lambang_(kimia)" title="Lambang (kimia) – szundanéz" lang="su" hreflang="su" data-title="Lambang (kimia)" data-language-autonym="Sunda" data-language-local-name="szundanéz" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Kemiskt_tecken" title="Kemiskt tecken – svéd" lang="sv" hreflang="sv" data-title="Kemiskt tecken" data-language-autonym="Svenska" data-language-local-name="svéd" 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%B5%E0%AF%87%E0%AE%A4%E0%AE%BF%E0%AE%95%E0%AF%8D_%E0%AE%95%E0%AF%81%E0%AE%B1%E0%AE%BF%E0%AE%AF%E0%AF%80%E0%AE%9F%E0%AF%81" title="வேதிக் குறியீடு – tamil" lang="ta" hreflang="ta" data-title="வேதிக் குறியீடு" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AA%E0%B8%B1%E0%B8%8D%E0%B8%A5%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%93%E0%B9%8C%E0%B8%98%E0%B8%B2%E0%B8%95%E0%B8%B8" title="สัญลักษณ์ธาตุ – thai" lang="th" hreflang="th" data-title="สัญลักษณ์ธาตุ" data-language-autonym="ไทย" data-language-local-name="thai" 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/Simbolong_pangkimika" title="Simbolong pangkimika – tagalog" lang="tl" hreflang="tl" data-title="Simbolong pangkimika" 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/Element_simgesi" title="Element simgesi – török" lang="tr" hreflang="tr" data-title="Element simgesi" data-language-autonym="Türkçe" data-language-local-name="török" 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%B8%D0%B9_%D0%B7%D0%BD%D0%B0%D0%BA" title="Хімічний знак – ukrán" lang="uk" hreflang="uk" data-title="Хімічний знак" data-language-autonym="Українська" data-language-local-name="ukrán" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/K%C3%BD_hi%E1%BB%87u_h%C3%B3a_h%E1%BB%8Dc" title="Ký hiệu hóa học – vietnámi" lang="vi" hreflang="vi" data-title="Ký hiệu hóa học" data-language-autonym="Tiếng Việt" data-language-local-name="vietnámi" 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/Simbolo_kimiko" title="Simbolo kimiko – varaó" lang="war" hreflang="war" data-title="Simbolo kimiko" data-language-autonym="Winaray" data-language-local-name="varaó" 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%E7%AC%A6%E5%8F%B7" title="化学符号 – wu kínai" lang="wuu" hreflang="wuu" data-title="化学符号" data-language-autonym="吴语" data-language-local-name="wu kínai" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%9B%D7%A2%D7%9E%D7%99%D7%A9%D7%A2%D7%A8_%D7%A1%D7%99%D7%9E%D7%91%D7%90%D7%9C" title="כעמישער סימבאל – jiddis" lang="yi" hreflang="yi" data-title="כעמישער סימבאל" data-language-autonym="ייִדיש" data-language-local-name="jiddis" 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/%C3%80m%C3%AC-%C3%ACd%C3%A1m%E1%BB%8D%CC%80_k%E1%BA%B9%CC%81m%C3%ADk%C3%A0" title="Àmì-ìdámọ̀ kẹ́míkà – joruba" lang="yo" hreflang="yo" data-title="Àmì-ìdámọ̀ kẹ́míkà" data-language-autonym="Yorùbá" data-language-local-name="joruba" 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/%E5%8C%96%E5%AD%A6%E7%AC%A6%E5%8F%B7" title="化学符号 – kínai" lang="zh" hreflang="zh" data-title="化学符号" data-language-autonym="中文" data-language-local-name="kínai" 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%E7%AC%A6%E8%99%9F" title="化學符號 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="化學符號" 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_h%C3%BB-h%C5%8D" title="Hòa-ha̍k hû-hō – min nan kínai" lang="nan" hreflang="nan" data-title="Hòa-ha̍k hû-hō" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan kínai" 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%E7%AC%A6%E8%99%9F" title="化學符號 – kantoni" lang="yue" hreflang="yue" data-title="化學符號" data-language-autonym="粵語" data-language-local-name="kantoni" class="interlanguage-link-target"><span>粵語</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/Q102500#sitelinks-wikipedia" title="Nyelvközi hivatkozások szerkesztése" class="wbc-editpage">Hivatkozások szerkesztése</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="Névterek"> <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 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href="/w/index.php?title=Vegyjel&printable=yes" title="A lap nyomtatható változata [p]" accesskey="p"><span>Nyomtatható változat</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"> Társprojektek </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_symbols" hreflang="en"><span>Wikimédia 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/Q102500" title="Kapcsolt adattárelem [g]" accesskey="g"><span>Wikidata-adatlap</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="Oldal eszközök"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Megjelenés"> <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">Megjelenés</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">áthelyezés az oldalsávba</button> <button class="vector-pinnable-header-toggle-button 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cdx-dialog__header--default"><div class="cdx-dialog__header__title-group"><h2 class="cdx-dialog__header__title">Változat állapota</h2><p class="cdx-dialog__header__subtitle">Ez a lap egy ellenőrzött változata</p></div><button class="cdx-button cdx-button--action-default cdx-button--weight-quiet
							cdx-button--size-medium cdx-button--icon-only cdx-dialog__header__close-button" aria-label="Close" onclick="document.getElementById("mw-fr-revision-details").style.display = "none";" type="submit"><span class="cdx-icon cdx-icon--medium
							cdx-fr-css-icon--close"></span></button></header><div class="cdx-dialog__body">Ez a <a href="/wiki/Wikip%C3%A9dia:Jel%C3%B6lt_lapv%C3%A1ltozatok" title="Wikipédia:Jelölt lapváltozatok">közzétett változat</a>, <a class="external text" href="https://hu.wikipedia.org/w/index.php?title=Speci%C3%A1lis:Rendszernapl%C3%B3k&type=review&page=Speci%C3%A1lis:Badtitle/Message">ellenőrizve</a>: <i>2023. február 19.</i><p><table id="mw-fr-revisionratings-box" class="flaggedrevs-color-1" style="margin: auto;" cellpadding="0"><tr><td class="fr-text" style="vertical-align: middle;">Pontosság</td><td class="fr-value40" style="vertical-align: middle;">ellenőrzött</td></tr></table></p></div></div><div tabindex="0"></div></div></div></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="hu" dir="ltr"><p>A <b>vegyjel</b> a <a href="/wiki/K%C3%A9miai_elem" title="Kémiai elem">kémiai elemek</a> rövid <a href="/wiki/K%C3%A9mia" title="Kémia">kémiai</a> jele. A természetben is előforduló <a href="/wiki/K%C3%A9miai_elem" title="Kémiai elem">elemeket</a> mind egy, vagy két betűvel jelöljük; néhány mesterségesen előállított <a href="/wiki/Radioakt%C3%ADv" class="mw-redirect" title="Radioaktív">radioaktív</a> elem vegyjele három karakterből épül fel, például Uub, amit később neveznek el a <a href="/wiki/IUPAC" title="IUPAC">IUPAC</a> döntése alapján állandó néven. A vegyjelet mindig nagybetűvel kezdjük, de a következő karakterek, ha vannak, mindig kisbetűk. Noha az elemek nevei nyelvenként eltérhetnek, a vegyjelek nemzetközileg ismertek és azonosak, a <a href="/wiki/IUPAC" title="IUPAC">IUPAC</a> szabályai szerint. Ugyanakkor <a href="/wiki/K%C3%ADna" title="Kína">Kínában</a> például saját rendszer alapján is jelölik őket.<sup id="cite_ref-Kínai_periódusos_rendszer_1-0" class="reference"><a href="#cite_note-Kínai_periódusos_rendszer-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>A vegyjelek a <a href="/wiki/K%C3%A9miai_elemek_peri%C3%B3dusos_rendszere" title="Kémiai elemek periódusos rendszere">periódusos rendszerből</a> olvashatók ki. </p><p>A ma használt vegyjeleket <a href="/wiki/J%C3%B6ns_Jakob_Berzelius" title="Jöns Jakob Berzelius">Jöns Jakob Berzelius</a> svéd vegyész fejlesztette ki. </p><p>A vegyjelek az elemek általában <a href="/wiki/G%C3%B6r%C3%B6g_nyelv" title="Görög nyelv">görög</a>, ill. <a href="/wiki/Latin_nyelv" title="Latin nyelv">latin</a> eredetű nevéből képzettek: </p> <dl><dd><a href="/wiki/H%C3%A9lium" title="Hélium">hélium</a>: <b>He</b> (a görög "helios" = "nap" szóból).</dd> <dd><a href="/wiki/Kl%C3%B3r" title="Klór">klór</a>: <b>Cl</b> (a görög "chloros" = "halványzöld" szóból).</dd> <dd><a href="/wiki/Arany_(k%C3%A9miai_elem)" title="Arany (kémiai elem)">arany</a>: <b>Au</b> ( a latin "aurum" szóból).</dd> <dd><a href="/wiki/Sz%C3%A9n" title="Szén">szén</a>: <b>C</b> (a latin "carbo" = "állati szén" szóból)</dd> <dd><a href="/wiki/Vas" title="Vas">vas</a>: <b>Fe</b> (a latin "ferrum" = "kard, vas" szóból).</dd> <dd><a href="/wiki/R%C3%A9z" title="Réz">réz</a>: <b>Cu</b> (a latin "cuprum" = "Cyprus" szóból).</dd> <dd><a href="/wiki/Szil%C3%ADcium" title="Szilícium">szilícium</a>: <b>Si</b> (a latin "silicis" = "kovakő" szóból).<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></dd></dl> <p>A vegyjelek segítségével írjuk fel a kémiai anyagok <b><a href="/wiki/K%C3%A9miai_k%C3%A9plet" title="Kémiai képlet">képletét</a></b>, pl. </p> <div class="image modul-kep modul-kep-floatright modul-kep-clear" style="width:100px;"><style data-mw-deduplicate="TemplateStyles:r24819349">.mw-parser-output .modul-kep{text-align:center;width:min-content}.mw-parser-output .modul-kep-floatright{float:right;margin-left:10px}.mw-parser-output .modul-kep-floatright.modul-kep-clear{clear:right}.mw-parser-output .modul-kep-floatleft{float:left;margin-right:10px}.mw-parser-output .modul-kep-floatleft.modul-kep-clear{clear:left}</style><div><span typeof="mw:File"><a href="/wiki/F%C3%A1jl:Water_molecule_3D.svg" class="mw-file-description" title="Vízmolekula"><img alt="Vízmolekula" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Water_molecule_3D.svg/100px-Water_molecule_3D.svg.png" decoding="async" width="100" height="86" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Water_molecule_3D.svg/150px-Water_molecule_3D.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Water_molecule_3D.svg/200px-Water_molecule_3D.svg.png 2x" data-file-width="600" data-file-height="515" /></a></span></div><small><a href="/wiki/V%C3%ADz" title="Víz">Vízmolekula</a></small></div> <dl><dd>-az <a href="/wiki/Oxig%C3%A9n" title="Oxigén">oxigén</a> vegyjele: <b>O</b>, molekulaképlete: <b>O<sub>2</sub></b>. Az oxigén gáz egy elemi anyag, mert csak egyetlen atomfajta építi fel.</dd> <dd>-a <a href="/wiki/Hidrog%C3%A9n" title="Hidrogén">hidrogén</a> vegyjele: <b>H</b>, molekulaképlete: <b>H<sub>2</sub></b>. A hidrogén gáz szintén egy elemi anyag, mert csak egyetlen atomfajta építi fel.</dd> <dd>-a <a href="/wiki/V%C3%ADz" title="Víz">víz</a> képlete: <b>H<sub>2</sub>O</b>. A víz egy összetett anyag, a <a href="/wiki/V%C3%ADz" title="Víz">vízmolekula</a> két különböző kémiai elem atomjaiból épül fel.</dd></dl> <p>A <a href="/wiki/K%C3%A9plet" title="Képlet">képletek</a> segítségével írjuk fel a <a href="/wiki/K%C3%A9miai_egyenlet" title="Kémiai egyenlet">kémiai egyenleteket</a>, pl. </p> <dl><dd><b>2H<sub>2</sub> + O<sub>2</sub> → 2H<sub>2</sub>O</b></dd></dl> <p>Egy vegyjel nem csupán az adott <a href="/wiki/K%C3%A9miai_elem" title="Kémiai elem">kémiai elemet</a> jelölheti, hanem az adott elem egy atomját, valamint egy mólnyi mennyiségét [ <a href="/wiki/Avogadro-sz%C3%A1m" title="Avogadro-szám"><b><i>N</i><sub>A</sub></b></a> (~ 6×10<sup>23</sup>) db <a href="/wiki/Atom" title="Atom">atomját</a>, illetve ennyi <a href="/wiki/Atom" title="Atom">atom</a> <a href="/wiki/T%C3%B6meg" title="Tömeg">tömegét</a>] is, pl. </p> <table class="wikitable"> <tbody><tr> <th>A vegyjel jelentése </th> <th>S </th></tr> <tr> <td>kémiai elem </td> <td><a href="/wiki/K%C3%A9n" title="Kén">kén</a> </td></tr> <tr> <td>a kémiai elem egy atomja </td> <td><a href="/wiki/K%C3%A9n" title="Kén">kén</a><a href="/wiki/Atom" title="Atom">atom</a> </td></tr> <tr> <td>Az adott elem egy mólnyi mennyisége (<a href="/wiki/Avogadro-sz%C3%A1m" title="Avogadro-szám"><b><i>N</i><sub>A</sub></b></a> db atomja) </td> <td>1 mól (<a href="/wiki/Avogadro-sz%C3%A1m" title="Avogadro-szám"><b><i>N</i><sub>A</sub></b></a> db) kénatom </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Kapcsolódó_szócikkek"><span id="Kapcsol.C3.B3d.C3.B3_sz.C3.B3cikkek"></span>Kapcsolódó szócikkek</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Vegyjel&action=edit&section=1" title="Szakasz szerkesztése: Kapcsolódó szócikkek"><span>szerkesztés</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Atom" title="Atom">Atom</a></li> <li><a href="/wiki/Avogadro-sz%C3%A1m" title="Avogadro-szám">Avogadro-szám</a></li> <li><a href="/wiki/K%C3%A9miai_elem" title="Kémiai elem">Kémiai elem</a></li> <li><a href="/wiki/K%C3%A9miai_elemek_list%C3%A1ja" title="Kémiai elemek listája">Kémiai elemek listája</a></li> <li><a href="/wiki/K%C3%A9miai_elemek_felfedez%C3%A9si_d%C3%A1tum_szerinti_list%C3%A1ja" title="Kémiai elemek felfedezési dátum szerinti listája">Kémiai elemek felfedezési dátum szerinti listája</a></li> <li><a href="/wiki/K%C3%A9miai_elemek_nev%C3%A9nek_etimol%C3%B3gi%C3%A1ja" title="Kémiai elemek nevének etimológiája">Kémiai elemek nevének etimológiája</a></li> <li><a href="/wiki/Transzur%C3%A1n_elemek" title="Transzurán elemek">Transzurán elemek</a></li> <li><a href="/wiki/Rendsz%C3%A1m_(k%C3%A9mia)" title="Rendszám (kémia)">Rendszám</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Jegyzetek">Jegyzetek</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Vegyjel&action=edit&section=2" title="Szakasz szerkesztése: Jegyzetek"><span>szerkesztés</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="ref-1col"><div style="-moz-column-count:2; -webkit-column-count:2; column-count:2; -webkit-column-gap: 3em; -moz-column-gap: 3em; column-gap: 3em;"><ol class="references"> <li id="cite_note-Kínai_periódusos_rendszer-1"><span class="mw-cite-backlink"><a href="#cite_ref-Kínai_periódusos_rendszer_1-0">↑</a></span> <span class="reference-text"><span class="citation"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20070418002920/http://www.limestone.on.ca/ibuild/davies/chinesept.html#"><i>http://www.limestone.on.ca/ibuild/davies/chinesept.html</i></a>. [2007. április 18-i dátummal az <a rel="nofollow" class="external text" href="http://www.limestone.on.ca/ibuild/davies/chinesept.html">eredetiből</a> archiválva]. (Hozzáférés: 2007. február 10.)</span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external free" href="http://webelements.com/">http://webelements.com/</a></span> </li> </ol></div></div><div class="ref-1col"><div style="-moz-column-count:2; -webkit-column-count:2; column-count:2; -webkit-column-gap: 3em; -moz-column-gap: 3em; column-gap: 3em;"></div></div> <div class="noprint noviewer" style="overflow: hidden; clear: both;"><div style="margin-left:0; margin-right:2px;"><ul style="display:block; list-style-image:none; list-style-type:none; width:100%; vertical-align:middle; margin:0; padding:0; min-height: 27px;"><li style="float:left; min-height: 27px; line-height:25px; width:100%; margin:0; margin-top:.5em; margin-left:0; margin-right:0; padding:0; border:1px solid #CCF; background-color:#F0EEFF"><span typeof="mw:File"><a href="/wiki/F%C3%A1jl:P_chemistry.svg" class="mw-file-description" title="Kémia"><img alt="Kémia" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/P_chemistry.svg/25px-P_chemistry.svg.png" decoding="async" width="25" height="23" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/P_chemistry.svg/38px-P_chemistry.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ca/P_chemistry.svg/50px-P_chemistry.svg.png 2x" data-file-width="400" data-file-height="360" /></a></span> <b><a href="/wiki/Port%C3%A1l:K%C3%A9mia" title="Portál:Kémia">Kémiaportál</a></b> • összefoglaló, színes tartalomajánló lap</li></ul></div></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="">A lap eredeti címe: „<a dir="ltr" href="https://hu.wikipedia.org/w/index.php?title=Vegyjel&oldid=25837358">https://hu.wikipedia.org/w/index.php?title=Vegyjel&oldid=25837358</a>”</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Wikip%C3%A9dia:Kateg%C3%B3ri%C3%A1k" title="Wikipédia:Kategóriák">Kategória</a>: <ul><li><a href="/wiki/Kateg%C3%B3ria:K%C3%A9miai_n%C3%B3menklat%C3%BAra" title="Kategória:Kémiai nómenklatúra">Kémiai nómenklatúra</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"> A lap utolsó módosítása: 2023. február 19., 18:55</li> <li id="footer-info-copyright">A lap szövege <a rel="nofollow" class="external text" href="http://creativecommons.org/licenses/by-sa/4.0/deed.hu">Creative Commons Nevezd meg! – Így add tovább! 4.0</a> licenc alatt van; egyes esetekben más módon is felhasználható. 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