🌐EnglishEnglishBahasa IndonesiaEspañolItalianoPolskiTiếng ViệtTürkçeفارسیहिन्दी中文日本語EntityQ2717377· pop 15· linked from 11 articlesFajans' rulesset of rules regarding the nature of chemical bondsAvailable in 15 languagesEspañol中文日本語Italianoहिन्दीBahasa IndonesiaCatalanHebrewPolskiRomanianTiếng ViệtConnectionsionEntitynoble gasesEntityCategoriesEponymous chemical rulesInorganic chemistry