Define valency by taking examples of silicon and oxygen.
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3
Answer:
as we know that O² ka atomic no. hai 8
so it's valency will be 2
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Answer:
VALENCY is the combining capacity of an element with other elements.
OR
The number of electrons that an atom can lose, gain or share during a chemical reaction is called it's valency.
Ex:- (1) Silicon - Si (atomic no. is 14.)
Valency of silicon is 4.
(2) Oxygen - O (atomic no. is 8.)
Valency of oxygen is 2
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