Question

Write the valencies of the elements from atomic no 1 to15

Answer 1

Answer:

Valency of Hydrogen 1

Valency of Helium  0

Valency of Lithium  1

Valency of Beryllium 2

Valency of Boron  3

Valency of Carbon  4

Valency of Nitrogen 3

Valency of Oxygen 2

Valency of Fluorine 1

Valency of Neon     0

Valency of Sodium  1

Valency of Magnesium 2

Valency of Aluminium 3

Valency of Silicon  4

Valency of Phosphorus  3

Explanation:

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Answer 2

Answer:

1. hydrogen-1

2.Helium-0

3. lithium-1

4. beryllium-2

5. boron-3

6.carbon-4

7. nitrogen-3

8.oxygen-2

9.fluorine-1

10.neon-0

11.sodium-1

12.magnesium-2

13. aluminium-3

14.Silicon-4

15. phosphorus-3

Explanation: