Question

what are valence electrons ​

Answer 1

Answer:

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

Answer:

the outermost electron present in an atom is known as valence electron