Question

element which exibits both 2+ and 4+ valency​

Answer 1

Answer:

Element Atomic Number Valency

1. Valency of Hydrogen 1 1
2. Valency of Helium 2 0
3. Valency of Lithium 3 1
4. Valency of Beryllium 4 2
5. Valency of Boron 5 3
6. Valency of Carbon 6 4
7. Valency of Nitrogen 7 3
8. Valency of Oxygen 8 2
9. Valency of Fluorine 9 1
10. Valency of Neon 10 0
11. Valency of Sodium (Na) 11 1
12. Valency of Magnesium (Mg) 12 2
13. Valency of Aluminium 13 3
14. Valency of Silicon 14 4
15. Valency of Phosphorus 15 3
16. Valency of Sulphur 16 2
17. Valency of Chlorine 17 1
18. Valency of Argon 18 0
19. Valency of Potassium (K) 19 1
20. Valency of Calcium 20 2
21. Valency of Scandium 21 3
22. Valency of Titanium 22 4
23. Valency of Vanadium 23 5,4
24. Valency of Chromium 24 2
25. Valency of Manganese 25 7, 4, 2
26. Valency of Iron (Fe) 26 2, 3
27. Valency of Cobalt 27 3, 2
28. Valency of Nickel 28 2
29. Valency of Copper (Cu) 29 2, 1
30. Valency of Zinc 30 2

Explanation: