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Physics Chemistry

Entry Test MCQ :: Group III A and IVA Elements

  Which electronic configuration corresponds to an element of group IIIA?
[A]. 1s2 2s2 2p3[B]. 1s2 2s2 2p6 3s2 3p1
[C]. 1s2 2s2 2p4[D]. 1s2 2s2 2p6 3s2 3p6 4s2 3d1

Answer: Option B
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