Question

what is mean by valece electrons​

Answer 1

Answer:

heya..

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

Valence electrons are those electrons in the outermost shell of an atom. These electrons help the atom to bond with various others in different ways in order to attain an octet, that is, eight electrons in the outermost shell, which is often associated with stability.

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