First 20 elements with valeny electrons and valency
Answers
Explanation:
hydrogen
helium
lithium
beryllium
boron
carbon
nitrogen
oxygen
fluorine
neon
sodium
magnesium
aluminium
Number Element Valence Valence Electrons
1 Hydrogen (-1), +1 1
2 Helium 0 2
3 Lithium +1 1
4 Beryllium +2 2
5 Boron -3, +3 3
6 Carbon (+2), +4 4
7 Nitrogen -3, -2, -1, (+1), +2, +3, +4, +5 5
8 Oxygen -2 6
9 Fluorine -1, (+1) 7
10 Neon 0 8
11 Sodium +1 1
12 Magnesium +2 2
13 Aluminum +3 3
14 Silicon -4, (+2), +4 4
15 Phosphorus -3, +1, +3, +5 5
16 Sulfur -2, +2, +4, +6 6
17 Chlorine -1, +1, (+2), +3, (+4), +5, +7 7
18 Argon 0 8
19 Potassium +1 1
20 Calcium +2 2