Valency and valence electrons of first 20 elements
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Answered by
653
Heya mate !!!
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The Valency and valence electrons of the first 20 elements are -
1) Hydrogen (H)
Valency : +- 1 , Valence electrons : 1
2) Helium (He)
Valency : 0 , Valence electrons : 2
3) Lithium (Li)
Valency : +1 , Valence electrons : 1
4) Beryllium (Be)
Valency : +2 , Valence electrons : 2
5) Boron (B)
Valency : +3 , Valence electrons : 3
6) Carbon (C)
Valency : 4 , Valence electrons : 4
7) Nitrogen (N)
Valency: -3 , Valence electrons : 5
8) Oxygen (O)
Valency: -2 , Valence electrons : 6
9) Fluorine (F)
Valency: -1 , Valence electrons : 7
10) Neon (Ne)
Valency: 0 Valence electrons : 8
11) Sodium (Na)
Valency : +1 , Valence electrons : 1
12) Magnesium (Mg)
Valency : +2 , Valence electrons : 2
13) Aluminium (Al)
Valency : +3 , Valence electrons : 3
14) Silicon (Si)
Valency : 4 , Valence electrons : 4
15) Phosphorous (P)
Valency: -3 ( also 3 and 5 ),Valence electron: 5
16) Sulphur (S)
Valency: -2 , Valence electrons : 6
17) Chlorine (Cl)
Valency: -1 , Valence electrons : 7
18) Argon (Ar)
Valency: 0 , Valence electrons : 8
19) Potassium (K)
Valency : +1 , Valence electrons : 1
20) Calcium : +2 , Valence electrons : 2
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Hope helps !!
============
:-
The Valency and valence electrons of the first 20 elements are -
1) Hydrogen (H)
Valency : +- 1 , Valence electrons : 1
2) Helium (He)
Valency : 0 , Valence electrons : 2
3) Lithium (Li)
Valency : +1 , Valence electrons : 1
4) Beryllium (Be)
Valency : +2 , Valence electrons : 2
5) Boron (B)
Valency : +3 , Valence electrons : 3
6) Carbon (C)
Valency : 4 , Valence electrons : 4
7) Nitrogen (N)
Valency: -3 , Valence electrons : 5
8) Oxygen (O)
Valency: -2 , Valence electrons : 6
9) Fluorine (F)
Valency: -1 , Valence electrons : 7
10) Neon (Ne)
Valency: 0 Valence electrons : 8
11) Sodium (Na)
Valency : +1 , Valence electrons : 1
12) Magnesium (Mg)
Valency : +2 , Valence electrons : 2
13) Aluminium (Al)
Valency : +3 , Valence electrons : 3
14) Silicon (Si)
Valency : 4 , Valence electrons : 4
15) Phosphorous (P)
Valency: -3 ( also 3 and 5 ),Valence electron: 5
16) Sulphur (S)
Valency: -2 , Valence electrons : 6
17) Chlorine (Cl)
Valency: -1 , Valence electrons : 7
18) Argon (Ar)
Valency: 0 , Valence electrons : 8
19) Potassium (K)
Valency : +1 , Valence electrons : 1
20) Calcium : +2 , Valence electrons : 2
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Hope helps !!
Answered by
14
VALENCY & VALENCE ELECTRONS IN FIRST 20 ELEMENTS:
- Hydrogen : Valency : 1 & Valence Electrons : 1
- Helium : Valency : 2 & Valence Electrons : 2
- Lithium : Valency : 1 & Valence Electrons : 1
- Berylium : Valency : 2 & Valence Electrons : 2
- Boron : Valency : 3 & Valence Electrons : 3
- Carbon : Valency : 4 & Valence Electrons : 4
- Nitrogen : Valency : 3 & Valence Electrons : 5
- Oxygen : Valency : 2 & Valence Electrons : 6
- Fluorine : Valency : 1 & Valence Electrons : 7
- Neon : Valency : 0 & Valence Electrons : 8
- Sodium : Valency : 1 & Valence Electrons : 1
- Magnesium : Valency : 2 & Valence Electrons : 2
- Aluminium : Valency : 3 & Valence Electrons : 3
- Silicon : Valency : 4 & Valence Electrons : 4
- Phosphorous : Valency : 3 or 5 & Valence Electrons : 5
- Sulphur : Valency : 2 & Valence Electrons : 6
- Chlorine : Valency : 1 & Valence Electrons : 7
- Argon : Valency : 0 & Valence Electrons : 8
- Potassium : Valency : 1 & Valence Electrons : 1
- Calcium : Valency : 2 & Valence Electrons : 2
Hope It Helps
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