Question

Certain metals exhibition more than one valency hence showing 'variable valency'. Give reason​

Answer 1

Answer:

Hello mate! Here is your answer

Explanation:

Some elements show variable valency because of the different electronic configurations. An atom of an element can sometimes lose more electrons than are present in its valence shell i.e. loss from the penultimate shell and hence exhibit more than 1 or variable valency.

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Answer 2

Answer:

Yes

Explanation:

Some elements have only one valency.

but some metals exist two valencies. It is called variable valency.

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