symbols of elements with their valencies
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1) Hydrogen (H)
Atomic Number -- 1
Valency -- 1
2) Helium (He)
Atomic Number --2
Valency -- 0
3) Lithium (Le)
Atomic Number -- 3
Valency -- 1
4) Beryllium (Be)
Atomic Number -- 4
Valency -- 2
5) Boron (B)
Atomic Number-- 5
Valency -- 3
6)Carbon(C)
Atomic Number: 6
Valency = 4
7) Nitrogen (N)
Atomic Number --7
Valency -- 3
8) Oxygen (O)
Atomic Number --8
Valency --2
9) Fluorine (F)
Atomic Number -- 9
Valency --1
10) Neon (Ne)
Atomic Number -- 10
Valency -- 0
11)Sodium (Na)
Atomic Number --11
Valency -- 1
12) Magnesium (Mg)
Atomic Number -- 12
Valency -- 2
13) Aluminum (Al)
Atomic Number -- 13
Valency -- 3
14) Silicon (Si)
Atomic Number -- 14
Valency -- 4
15) Phosphorus (P)
Atomic Number -- 15
Valency -- 5 , 3
16) Sulfur (S)
Atomic Number -- 16
Valency -- 2
17) Chlorine (Cl)
Atomic Number -- 17
Valency -- 1
18) Argon (Ar)
Atomic Number -- 18
Valency -- 0
19) Potassium (K)
Atomic Number --19
Valency -- 1
20) Calcium (Ca)
Atomic Number -- 20
Valency -- 2
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Atomic Number -- 1
Valency -- 1
2) Helium (He)
Atomic Number --2
Valency -- 0
3) Lithium (Le)
Atomic Number -- 3
Valency -- 1
4) Beryllium (Be)
Atomic Number -- 4
Valency -- 2
5) Boron (B)
Atomic Number-- 5
Valency -- 3
6)Carbon(C)
Atomic Number: 6
Valency = 4
7) Nitrogen (N)
Atomic Number --7
Valency -- 3
8) Oxygen (O)
Atomic Number --8
Valency --2
9) Fluorine (F)
Atomic Number -- 9
Valency --1
10) Neon (Ne)
Atomic Number -- 10
Valency -- 0
11)Sodium (Na)
Atomic Number --11
Valency -- 1
12) Magnesium (Mg)
Atomic Number -- 12
Valency -- 2
13) Aluminum (Al)
Atomic Number -- 13
Valency -- 3
14) Silicon (Si)
Atomic Number -- 14
Valency -- 4
15) Phosphorus (P)
Atomic Number -- 15
Valency -- 5 , 3
16) Sulfur (S)
Atomic Number -- 16
Valency -- 2
17) Chlorine (Cl)
Atomic Number -- 17
Valency -- 1
18) Argon (Ar)
Atomic Number -- 18
Valency -- 0
19) Potassium (K)
Atomic Number --19
Valency -- 1
20) Calcium (Ca)
Atomic Number -- 20
Valency -- 2
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Valency of First 30 Elements
Element Atomic Number Valency
Valency of Hydrogen 1 1
Valency of Helium 2 0
Valency of Lithium 3 1
Valency of Beryllium 4 2
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