🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPortuguêsTiếng ViệtРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ585745· pop 30· linked from 177 articlesAufbau principleprinciple of atomic physicsConnectionsAlternative periodic tablesEntityHund's rule of maximum multiplicityEntityCategoriesChemical bondingElectron statesFoundational quantum physics