Question

write the electronic configuration of the following elements and also name the valence shell of each. 1)boron 2) sodium. 3) potassium 4) nitrogen ?​

Answer 1

Answer:-

1. Boron.

Electronic Configuration:- 2, 3

Valence Shell:- L

2. Sodium.

Electronic Configuration:- 2, 8, 1

Valence Shell:- M

3. Potassium.

Electronic Configuration:- 2, 8, 8, 1

Valence Shell:- N

4. Nitrogen.

Electronic Configuration:- 2, 5

Valence Shell:- L

Answer 2

Answer:

boron 2,3

sodium 2,8,1

potassium 2,8,8,1

nitrogen 2,4