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which sublevels contain valence electrons in an atom of argon (ar)?
A. 3s and 3p
B. 3s and 2p
C. 4s and 3p
D. 2s and 3d

Respuesta :

Its 3s and 3p !! A !!

Answer:

3s and 2p that should be the answer do not hurt me plz

Explanation:

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