MediumNEET 2025 Paper
+4 / -1
Which among the following electronic configurations belong to main group elements? A. [Ne]3s¹ B. [Ar]3d³4s² C. [Kr]4d¹⁰5s²5p⁵ D. [Ar]3d¹⁰4s¹ E. [Rn]5f⁰6d²7s²
A
B and E only
B
A and C only
C
D and E only
D
A, C and D only
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