A) s-block element
B) p-block element
C) d-block element
D) f-block element
Correct Answer: D
Solution :
Europium is a \[f-\]block elements as it follows the general electronic configuration of the \[f-\]block elements \[(4{{f}^{1-14}}5{{d}^{0,\,1}}6{{s}^{2}})\] \[Eu=[Xe]\,4{{f}^{7}}6{{s}^{2}}\]
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