Multiple Choice
The electron configuration of a ground-state Co atom is
A) [Ar]4s23d7.
B) 1s22s22p63s23d9.
C) [Ne]3s23d7.
D) [Ar]4s13d5.
E) [Ar]4s24d7.
Correct Answer:

Verified
Correct Answer:
Verified
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