Question

Define valency by taking example of silica and oxygen

Answer 1

Answer:

Explanation:total outermost electrons

Which can take part in chemical rxn. Is called its valency ...

Valency of oxygen is = 2

Valency of silica is=0

Answer 2

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

Example: Valency of oxygen is 2

Valency of silica is 0