Question

explain the volency of qn element is related to its electronic configuration.​

Answer 1

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An element's valency is determined by the number of electrons in its outer shell. Hence, the number of valence electrons obtained from the electronic configuration of the element gives the valency i.e. the number of electrons lost, gained or shared by the element to attain the noble gas configuration.

Answer 2

Answer:

this is your answer.........