Question

valency of first 30 elements please give the answer as fast you can

Answer 1

able of Element ValencesNumber Element Valence 1Hydrogen(-1), +12Helium03Lithium+14Beryllium+25Boron-3, +36Carbon(+2), +47Nitrogen-3, -2, -1, (+1), +2, +3, +4, +58Oxygen-29Fluorine-1, (+1)10Neon011Sodium+112Magnesium+213Aluminum+314Silicon-4, (+2), +415Phosphorus-3, +1, +3, +516Sulfur-2, +2, +4, +617Chlorine-1, +1, (+2), +3, (+4), +5, +718Argon019Potassium+120Calcium+221Scandium+322Titanium+2, +3, +423Vanadium+2, +3, +4, +524Chromium+2, +3, +625Manganese+2, (+3), +4, (+6), +726Iron+2, +3, (+4), (+6)27Cobalt+2, +3, (+4)28Nickel(+1), +2, (+3), (+4)29Copper+1, +2, (+3)30Zinc+2

Answer 2

valency .no. of valence electrons in outermost shell
1. 1 11. 1 21. 2
2. 2 12. 2 22. 2
3. 1 13. 1 23. "
4. 2 14. 2 24. "
5. 1 15. 3 25. "
6. 2 16. 4 26. "
7. 3 17. 5 27. "
8. 4 18. 6 28. 2
9. 5 19. 1 29. 1
10. 6 20. 2 30. 2