市丸 暗黑魔法使 注册 2002-09-12 消息 3,506 荣誉分数 0 声望点数 0 2003-03-11 #1 Name: caesium Symbol: Cs Atomic number: 55 Atomic weight: 132.90545 (2) CAS Registry ID: 7440-46-2 Group number: 1 Group name: Alkali metal Period number: 6 Block: s-block
Name: caesium Symbol: Cs Atomic number: 55 Atomic weight: 132.90545 (2) CAS Registry ID: 7440-46-2 Group number: 1 Group name: Alkali metal Period number: 6 Block: s-block
