Chemistry, asked by vijayalakshmik24, 5 months ago

write valency and valence electrons from 1 to 20 elements

Answers

Answered by KornikaChakraborty
4

Answer:

1. Hydrogen: valency- 1, valence electrons- 1

2. Helium: valency- 0, valence electrons-2 (noble gas)

3. Lithium: valency- 1, valence electrons- 1

4. Beryllium: valency- 2, valence electrons- 2

5. Boron: valency- 3, valence electrons- 3

6. Carbon: valency- 4, valence electrons- 4

7. Nitrogen: valency- 3, valence electrons- 5

8. Oxygen: valency- 2, valence electrons- 6

9. Fluorine: valency- 1, valence electrons- 7

10. Neon: valency- 0, valence electrons-8 (noble gas)

11. Sodium: valency- 1, valence electrons- 1

12. Magnesium: valency- 2, valence electrons- 2

13. Aluminium: valency- 3, valence electrons- 3

14. Silicon: valency- 4, valence electrons- 4

15. Phosphorus: valency- 3, valence electrons- 5

16. Sulphur: valency- 2, valence electrons- 6

17. Chlorine: valency- 1, valence electrons- 7

18. Argon: valency- 0, valence electrons- 8

19. Potassium: valency- 1, valence electrons- 1

20. Calcium: valency- 2, valence electrons- 2

There you go! Hope this helps!!!


KornikaChakraborty: Please note that Argon is a noble gas too
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