1.

In the energy level sequence for amulti electron atom, 4f- orbial lies between

Answer»

6s and 5d
5P and 5d
4p and 5p
5d and 6d

Solution :The sequence of energy LEVELS is 1s, 2s, 2p, 3S, 3p, 4s,3d,4p, 5s, 4d, 5p, 6s, 5d, 4F, 6p.


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