🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیहिन्दीไทย한국어中文日本語EntityQ7214051· pop 119Category:Physical chemistryWikimedia categoryArticleContentsTopRead full article (4 paragraphs)Available in 104 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةहिन्दी