Question

ᴅᴇғɪɴᴇ ᴠᴀʟᴇɴᴄᴇ ᴇʟᴇᴄᴛʀᴏɴs.​

Answer 1

Answer:

A valence electron is an electron in the outer shell associated with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed.

Answer 2

Answer:

In chemistry and physics, a valence electron is an electron in the outer shell 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