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d and f BLOCK ELEMENTS
Question #40157
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Question
What is the electronic configuration of Gadolinium (Gd)?
A. [Xe] 4f8 6s2
B. [Xe] 4f7 5d1 6s2
C. [Xe] 4f6 5d2 6s2
D. [Xe] 4f9 6s2
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