Which of the following represent electron configurations that are allowed but do not represent ground-state configurations?
(A) [Ne]3s13p5 (B) [Kr]4d125s25p3 (C) [Ar]3d104s24p2
A) only (A)
B) only (B)
C) (A) and (B)
D) (B) and (C)
Correct Answer:
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