write valency and valence electrons from 1 to 20 elements
Answers
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!!!