Question

what are the valency of first 30 elements?

Answer 1

Here is the answer...

Valency..

First of all , what's valency?

Valency is the capacity of an element to combine.
The valency of an element is Indicated by a specific number. It is the number of chemical bonds formed by one atom of that element with other atoms.

$\text {\red{First 30 Elements and their}} \\ \text {\red{Valency}}$


Hydrogen... Valency = 1

Helium...Valency = 0

Lithium...Valency = 1

Beryllium...Valency= 2

Boron...Valency = 3

Carbon...Valency = 4

Nitrogen...Valency = 3

Oxygen ...Valency =2

Fluorine...Valency= 1

Neon...Valency =0

Sodium...Valency =1

Magnesium...Valency =2

Aluminum....Valency= 3

Silicon...Valency= 4

Phosphorus...Valency = 3

Sulfur...Valency = 2

Chlorine...Valency= 1

Argon...Valency = 0

Potassium...Valency= 1

Calcium...Valency= 2

Scandium....Valency= 3

Titanium...Valency= 4

Vanadium...Valency =4

Chromium...Valency =2

Manganese ....Valency =2

Iron...Valency = 3

Cobalt...Valency = 2

Nickel...Valency = 2

Copper...Valency = 1

Zinc....Valency = 2