Question

define valency with an example​

Answer 1

Explanation:

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 6 electron but it's valency is 2.some element may have more than one combining power ( Or valency) ,while other have just one.

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Answer 2

Answer:

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. Oxygen, for instance, has six valence electrons but its valence is 2.

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