Question

define valency with example ​

Answer 1

Answer:

Valency is defined as combining power of an element with other atom to form chemical bond. Valency refers to electron in outer shell of an atom.

for example-For example, oxygen has six valence electrons, but its valency is 2. Some elements may have more than one combining power (or valency), while others have just one. For example, H →1; Mg→2; Al→3; C→4; N→3, and 5; P→3 and 5; O→2; S→ 2, 4 and 6; Cl→ 1;

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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