Question

First 30 elements of the periodic table with valency

Answer 1

Hydrogen
(-1), +1 Helium0 Lithium+1 Beryllium+2 Boron -3, +3 Carbon(+2), +4 Nitrogen-3, -2, -1, (+1), +2, +3, +4, +5 Oxygen-2 Fluorine-1, (+1) Neon0 Sodium+1 Magnesium+2 Aluminum+3 Silicon-4, (+2), +4 Phosphorus-3, +1, +3, +5 Sulfur-2, +2, +4, +6 Chlorine-1, +1, (+2), +3, (+4), +5, +7 Potassium0 Argon+1 Calcium+2 Scandium+3 Titanium+2, +3, +4 Vanadium+2, +3, +4, +5 Chromium+2, +3, +6 Manganese+2, (+3), +4, (+6), +7 Iron+2, +3, (+4), (+6) Nickel+2, +3, (+4) Cobalt(+1), +2, (+3), (+4) Copper+1, +2, (+3) Zinc+2