Question

what is meant by valency??​

Answer 1

The valency of an element is the number of hydrogen atoms that can combine with or replace (either directly or indirectly) one atom of the element.

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.

Answer 2

Hi..

the no of electrons present in the outer shell is reffered as valency

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