Question

What is a valency and where it is used?​

Answer 1

${\bold{\green{\boxed{\red{\huge{\mathbb{Valency}}}}}}}$

1. It is the tendency on atom to share, lose, gain electrons in a chemical reaction
2. It is the no of free electrons which can take part in a chemical reaction

The valence electrons r responsible for a chemical reaction

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Answer 2

Valency:

• It is the tendency on atom to share, lose, gain electrons in a chemical reaction
• It is the no of free electrons which can take part in a chemical reaction

The valence electrons r responsible for a chemical reaction

hope it is clear!!