Question

explain what is valency with examples​

Answer 1

An element's valence is the number of hydrogen atoms which can combine with or replace (directly or indirectly) one of the element's atoms.

Example :

Oxygen has six valence electrons but its valence is 2.

Answer 2

Answer:

Valency is the combining capacity of the atoms of an element with the atoms of other elements to form molecules. Eg- Sodium has valency 1 and Chlorine has valency 1, they combine together to form Sodium Chloride (NaCl) or Common Salt.

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