A) \[n=2,\,l=1\]
B) \[n=3,\,l=2\]
C) \[n=3,\,l=1\]
D) \[n=2,\,l=0\]
Correct Answer: B
Solution :
Energy is highest in the outermost shell \[n=2,l=1,=2p\] \[n=3,l=2=3d\] \[n=3,l=1=3p\] \[n=2,l=0=2s\] According to aufbaus principle 3d has highest energy
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