Question

complete the following table​

Answer 1

Explanation:

1A) alkaline metal- Li to Fr

electronic configuration- ns^1

valency- 1

2A) alkaline earth metals- Be- Ra.

valency-2

3A) boron family- B to Ti

electronic configuration- ns^2, np^1

4A) carbon family- C to Pb

electronic configuration- ns^2, np^2

valency- 4

5A) Nitrogen family- N to Bi

valency- 5