Chemistry > 2018 > 44
WASSCE
Which of the following electrons configuration represents the transition element chromium(24Cr)?
A.
1S2 2S2 2P6 3S2 3P6 4S2 3d1
B.
1S2 2S2 2P6 3S2 3P6 3d6
C.
1S2 2S2 2P6 3S2 3P4 4S1
D.
1S2 2S2 2P6 3S2 3P6 4S1 3d5
Answer: D
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