Question

Write the valency and atomicity of the following elements
1.Helium
3.neon
3.calcium
4.hydrogen
5.nitrogen
6.oxygen
7.chlorine
8.carbon
9 phosphorus
10. Sulphur​

Answer 1

Explanation:

Write the valency and atomicity of the following elements

1.Helium

3.neon

3.calcium

4.hydrogen

5.nitrogen

6.oxygen

7.chlorine

8.carbon

9 phosphorus

10. Sulphur

Answer 2

Valency. atomicity

1. 0. 1

2. 0. 10

3. 2. 20

4. 1 1

5. 3. 7

6. 2. 8

7. 1. 17

8. 4. 6

9. 3. 15

10. 2. 16