🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsTiếng ViệtРусскийالعربيةفارسیไทย한국어中文日本語EntityQ374793· pop 17· linked from 80 articlesunpaired electronelectron occupying an orbital by itself rather than in a pairAvailable in 17 languagesEspañolFrançais中文日本語ItalianoالعربيةCatalanCzechEstonianGreekConnectionsHund's rule of maximum multiplicityEntitychemistryEntityCategoriesChemical bondingQuantum chemistry