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Question

$2 s^{2}; 2 s^{2} 2 p^{6}, 3 s^{2}; 3 s^{2} 3 p^{6}, 4 s^{2}$ . Given electronic configuration represents which group?

Your Answer

A

Group I A

Correct Answer

B

Group II A

Your Answer

C

Group III A

Your Answer

D

None of these

Solution

The correct option is A
Group II A

The 's' is the outermost orbital in this case and it contains two valence electrons. Thus the given electronic configuration belongs to Group II A.

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