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 d^10 5 s^2 5 p^5…

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