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d and f BLOCK ELEMENTS
Question #39746
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What is Gadolinium (Gd) notable for in terms of its electronic configuration and magnetism?
A. It has a filled 4f subshell and is diamagnetic
B. It has no 4f electrons and is weakly paramagnetic
C. It has a half-filled 4f subshell (4f⁷) and is highly paramagnetic
D. It is the only lanthanoid that is ferromagnetic
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