Chemistry · PYQ NEET UG 2025

Which among the following electronic configurations belong to main group elements? A. \( [\text{Ne}]3\text{s}^1 \) B. \( [\text{Ar}]3\text{d}^34\text{s}^2 \) C. \( [\text{Kr}]4\text{d}^{10}5\text{s}^25\text{p}^5 \) D. \( [\text{Ar}]3\text{d}^{10}4\text{s}^1 \) \nE. \( [\text{Rn}]5\text{f}^06\text{d}^27\text{s}^2 \) Choose the correct answer from the option given below:

1. B and E only
2. A and C only
3. D and E only
4. A, C and D only