Question

Explain what do you understand by valence electrons ?

Answer 1

valence electron is anelectron that is associated with an atom, and that can participate in the formation of a chemical bond; in a single covalent bond, both atoms in the bond contribute one valence electron in order to form a shared pair.

Answer 2

An electron of an atom, located in the uppermost shell of the atom that can be transferred to or shared with another atom.....Valence electron in science. An electron in one of the outer shells of an atom that can participate in forming chemical bonds with other atoms.