s-block in the periodic table
1 2 18
Group →
↓ Period
1 1
H
2
He
2 3
Li
4
Be
3 11
Na
12
Mg
4 19
K
20
Ca
5 37
Rb
38
Sr
6 55
Cs
56
Ba
7 87
Fr
88
Ra
टेम्पलेट बिबरनलेख[बनाईं]