Question

what is the importance of valency of an element or ions?

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Answer 1

Answer:

The valence or valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules.Valency can be used to find out the atoms of an element will combine with the atoms of another element to form a compound or molecule.

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Answer 2

there is no importance of a valency in electron because an electron is itself made up of valency. valencies are to determine whether electron is stable or not if the outermost shell of the electron is full then electron will come in the category of noble gases .