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Question
Which electronic configuration corresponds to an element of group IIIA ?
Options:
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
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
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