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What is Valency ? please explain it with examples.

Answers (1)

A Ankit Dutt

Valency is the number of electrons that can be donated or gaining or shared between different atoms or same type atoms. For Na can donate 1 electron, thus its valency is +1. Oxygen can gain 2 two electrons, thus its valency is -2. Carbon can share 4 electrons, thus its valency is 4.

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