Question

What is Valency and valence electrons ?​

Answer 1

Answer:

Valency of an element is determined by the number of valence electrons present in the outermost shell of an atom of an element.

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Answer 2

Valency is the ability of an atom to lose or gain electrons in order to achieve noble gas configuration. And Valence electron is a outermost Electron that is associated with an atom and that can participate in electron bonds. Hoped I helped you in some way.