Question

12 On the basis of periodic classification identify each set belonging to a group or a period & check which
of them show similar chemical properties?
1. Na,K,Li
2. N,O,F
3. O,S,P
4. Mg, Ca,Be
5, Na, Mg,Al
6. Li,Be,B
will mark as branliest for.perfect answer​

Answer 1

Answer:

1. alkali metals i.e. 1st group

2.belongs to 2nd period

3 . o&s belongs to 16 group and p&s belongs to 3 period

4 .alkaline earth metals belong to 2 nd group

5.belongs to 3 period

6.belongs to 2 period