Atomic number and electronic configuration of first 20 elements velancy
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Answered by
6
Answer:
Number Element Valence
1 Hydrogen (-1), +1
2 Helium 0
3 Lithium +1
4 Beryllium +2
5 Boron -3, +3
6 Carbon (+2), +4
7 Nitrogen -3, -2, -1, (+1), +2, +3, +4, +5
8 Oxygen -2
9 Fluorine -1, (+1)
10 Neon 0
11 Sodium +1
12 Magnesium +2
13 Aluminum +3
14 Silicon -4, (+2), +4
15 Phosphorus -3, +1, +3, +5
16 Sulfur -2, +2, +4, +6
17 Chlorine -1, +1, (+2), +3, (+4), +5, +7
18 Argon 0
19 Potassium +1
20 Calcium +2
if helpful so mark it as a brainaliest
Answered by
1
Answer:
atomic number
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
valency
- 2
- 2,1
- 2,2
- 2,4
- 2,5
- 2,6
- 2,7
- 2,8
- 2,8,1
- 2,8,2
- 2,8,3
- 2,8,4
- 2,8,5
- 2,8,6
- 2,8,7
- 2,8,8
- 2,8,8,1
- 2,8,8,2
- 2,8,8,3
- 2,8,8,4
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