Question

Valency of first 1-30 elements

Answer 1

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

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