Question

Define valency: Write the valency of C,O,N,S.

Answer 1

Answer:-

Valency :-

Valency is the combining capacity of an atom of an element. It is the number of electrons and atom can donate or accept to form a chemical bond with another atom.

The valency of Carbon , Oxygen , Nitrogen and Sulphur are :-

1. The valency of Carbon ( C ) is 4.
2. The valency of Oxygen ( O ) is 2.
3. The valency of Nitrogen ( N ) is 3.
4. The valency of Sulphur ( S ) is 2.

More Info:-

Valency is a whole number.

Some elements have a valency equal to 1. They are called monovalent.

Some elements have valency equal to 2. they are called divalent.

Some elements have valency equal to 3 they are called trivalent.

Answer 2

In chemistry, the valence or valency of an element is the measure of its combining capacity with other atoms when it forms chemical compounds or molecules.

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