Question

what is meant by valence electrons ​

Answer 1

Answer:

In chemistry and physics, a valence electron is an outer shell electron that is associated with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed; in a single covalent bond, both atoms in the bond contribute one valence electron in order to form a shared pair.

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Answer 2

An electron of an atom ,located in the outermost shell( valency shell) of the atom ,that can be transferred to or shared with another atoms

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