What do u mean by valency??
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The combining capacity of an element is known as valency.
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Answer:
Valency of an element is the combining capacity of that element with the other elements.It is equal to the number of electrons that take part in a chemical reaction.
Explanation:
Valency of elements having 1,2 or 3 valance electrons is 1,2 or 3 respectively while valency of elements with 4,5,6 or 7 electrons is 4,3,2 or 1 respectively.
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