Question

4. What is valency? Explain different types of
valencies​

Answer 1

Valency is the combining power of an element.

There are two types of valency - Electrovalency and Covalency.

• Electrovalency: It is equal to the number of electrons lost or gained by atom to form ion.
• Covalency: It is the number of electron taking part in the formation of shared pairs.

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