Question

Explain what is Valency ? ( In 7- 8 lines )

Answer 1

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Valency is widely defined as combining capacity of any element.It is calculated on the basis of no of electrons in the outermost shell.There are various elements which have more than one valency e.g. Carbon.

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Answer 2

For metals,it is the number of electrons present in outermost shell.For non-metals ,it is the 8minus number of electrons present in outermost shell