Please tell me all important valency - Chemistry - Chemical Reactions and Equations

Question

Please tell me all important valency

Shivani Thakur · Accepted Answer

DEAR STUDENT,
The important valencies of some of the elements are as
follows:

Element
Atomic
Number
Valency

Valency
of Hydrogen
1
1

Valency
of Helium
2
0

Valency
of Lithium
3
1

Valency
of Beryllium
4
2

Valency
of Boron
5
3

Valency
of Carbon
6
4

Valency
of Nitrogen
7
3

Valency
of Oxygen
8
2

Valency
of Fluorine
9
1

Valency
of Neon
10
0

Valency
of Sodium (Na)
11
1

Valency
of Magnesium (Mg)
12
2

Valency
of Aluminium
13
3

Valency
of Silicon
14
4

Valency
of Phosphorus
15
3

Valency
of Sulphur
16
2

Valency
of Chlorine
17
1

Valency
of Argon
18
0

Valency
of Potassium (K)
19
1

Valency
of Calcium
20
2

Valency
of Scandium
21
3

Valency
of Titanium
22
4

Valency
of Vanadium
23
5,4

Valency
of Chromium
24
2

Valency
of Manganese
25
7, 4,
2

Valency
of Iron (Fe)
26
2,
3

Valency
of Cobalt
27
3,
2

Valency
of Nickel
28
2

Valency
of Copper (Cu)
29
2,
1

Valency
of Zinc
30
2

REGARDS,