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LuckyWell [14K]

3 years ago

8

What is a valence electron ?

2 answers:

timofeeve [1]3 years ago

6 0

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.

natulia [17]3 years ago

5 0

electron in the outermost energy ring

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