Question

Define valency and give valency of copper and iron.

Answer 1

Answer:

Valency is defined as the combining capacity of the elements . The valency of an element is related to how many electrons are in the outer shell.

Valency of copper is 2 and 1

Valency of iron is 2 and 3

Answer 2

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The combining capacity of the atoms in a element is known as valency.

Valency of copper = 2,1

Valency of iron = 2,3