A) s-block elements
B) p-block elements
C) d-block elements
D) f-block elements
Correct Answer: D
Solution :
The electronic configuration of Ce is \[_{58}Ce={{[Xe]}_{54}}\,\,4{{f}^{2}}6{{s}^{2}}5{{d}^{o}}\] Because of the presence of partially filled \[f\]-orbitals, Ce is a\[f\]-block element.
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