D-And F-Block Elements Ques 505

Question: The number of unpaired electrons in Gadolinium [Z=64] is

Options:

A) 3

B) 8

C) 6

D) 2

Show Answer

Answer:

Correct Answer: B

Solution:

$ Gd(64)=[Xe]4f^{7}5d^{1}6s^{2} $
$ \therefore $ No. of unpaired electrons = 8



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