GOLONGAN I A ( ALKALI )
3Li =
1s2 2s1
11Na =
[Ne] 3s1
19K =
[Ar] 4s1
37Rb =
[Kr] 5s1
55Cs =
[Xe] 6s1
87Fr =
[Rn] 7s1
Sifat Fisik :
Template by Maiahost and Guntur Setyo, S.Si for Kimia Basic Science