The electron configuration of cobalt (Z = 27) is 1s22s22p63s23p63d74s2. How many unpaired electrons — Atomic Structure Chemistry Question
Question
The electron configuration of cobalt (Z = 27) is 1s22s22p63s23p63d74s2. How many unpaired electrons are in a gaseous Co3+ ion in its ground state?
A.
0
B.
2
C.✓ Correct
4
D.
6
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