MCQ
Europium is
  • A
    $s-$block element
  • B
    $p-$block element
  • C
    $d-$block element
  • $f-$block element

Answer

Correct option: D.
$f-$block element
d
(d)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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