Which among the following electronic configurations belong to main group elements? A. [ Ne ] 3 ~s ^1 B. [ Ar ] 3 ~d ^3 4 ~s ^2 C. [ Kr ] 4 d¹⁰ 5 s^2 5 p^5 D. [ Ar ] 3 ~d ¹⁰ 4 ~s ^1 E. [R n] 5 f^0 6 d^2 7 s^2 Choose the correct answer from t

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Which among the following electronic configurations belong to main group elements? A. [ Ne ] 3 ~s ^1 B. [ Ar ] 3 ~d ^3 4 ~s ^2 C. [ Kr ] 4 d¹⁰ 5 s^2 5 p^5 D. [ Ar ] 3 ~d ¹⁰ 4 ~s ^1 E. [R n] 5 f^0 6 d^2 7 s^2 Choose the correct answer from the option given below:

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Correct answer: B. A and C only

Main group elements are s & p-block elements. A s-block C p -block

Which among the following electronic configurations belong to main group elements? A. [ Ne ] 3 ~s ^1 B. [ Ar ] 3 ~d ^3 4 ~s ^2 C. [ Kr ] 4 d¹⁰ 5 s^2 5 p^5 D. [ Ar ] 3 ~d ¹⁰ 4 ~s ^1 E. [R n] 5 f^0 6 d^2 7 s^2 Choose the correct answer from the option given below:

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