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Question
Q426) The electron configuration of
21
Sc is ...{BHU 1997]
a) 1s
2
2s
2
2p
6
2s
2
3p
6
4s
2
3d
1
b)1s
2
2s
2
2p
6
2s
2
3p
6
4s
1
3d
2
c)1s
2
2s
2
2p
6
2s
2
3p
6
4s
0
3d
3
d)1s
2
2s
2
2p
6
2s
2
3p
6
4s
2
3d
2
SOLUTION
Answer: (a)
