Assinale a alternativa com o número atômico de um átomo cuja configuração eletrônica é: 1s2 2s2 2p6 3s2 3p6 4s2

",[269],{"_20":113,"_59":114,"_96":115,"_98":99,"_100":94,"_71":116,"_73":116,"_67":270,"_109":120},{"_103":118,"_105":106,"_107":119},[272,274,276,278],{"_20":113,"_59":114,"_96":115,"_98":99,"_100":94,"_71":116,"_73":116,"_67":273,"_109":120},{"_103":118,"_105":106,"_107":119},{"_20":132,"_59":133,"_96":134,"_98":99,"_100":123,"_71":135,"_73":135,"_67":275,"_109":134},{"_103":106,"_105":106,"_107":137},{"_20":123,"_59":124,"_96":125,"_98":99,"_100":113,"_71":126,"_73":126,"_67":277,"_109":125},{"_103":128,"_105":106,"_107":129},{"_20":94,"_59":95,"_96":97,"_98":99,"_100":-5,"_71":101,"_73":101,"_67":279,"_109":97},{"_103":104,"_105":106,"_107":108},"tagsTree",[282],{"_20":94,"_59":95,"_96":97,"_98":99,"_100":-5,"_71":101,"_73":101,"_67":283,"_109":97,"_110":284},{"_103":104,"_105":106,"_107":108},[285],{"_20":113,"_59":114,"_96":115,"_98":99,"_100":94,"_71":116,"_73":116,"_67":286,"_109":120,"_110":287},{"_103":118,"_105":106,"_107":119},[288],{"_20":123,"_59":124,"_96":125,"_98":99,"_100":113,"_71":126,"_73":126,"_67":289,"_109":125,"_110":290},{"_103":128,"_105":106,"_107":129},[291],{"_20":132,"_59":133,"_96":134,"_98":99,"_100":123,"_71":135,"_73":135,"_67":292,"_109":134,"_110":293},{"_103":106,"_105":106,"_107":137},[],"videoDislikes",{},"videoLikes",{},"actionData","errors"]

Comentários