A) lutetium
B) terbium
C) ytterbium
D) gadolinium
Correct Answer: D
Solution :
The atomic number of gadolinium (Gd) is 64 and its electronic configuration is as \[Gd(64):[Xe]4{{f}^{7}}\,5{{d}^{1}}6{{s}^{2}}\]You need to login to perform this action.
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