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Valence electrons are the outer layer of electrons, the part that reacts.

Argon is a noble gas, so it has a full valence electron level.

It has eight valence electrons.

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What is the valence electron configuration of argon?

Argon, being one of the noble gases, has a completely filled outer electron shell and thus has zero valency.


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Does KR and AR have the same valence electron configuration?

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