Question

What are valance electrons or valency electrons?​

Answer 1

Answer:

Hey mate!

Valence electrons are the electrons present in the last shell of the atom.

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Answer 2

Explanation:

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.