MCQ
$Nd ^{2+}=$
  • A
    $4 f^2 6 s^2$
  • $4 f^4$
  • C
    $4 f^3$
  • D
    $4 f ^4 6 s ^2$

Answer

Correct option: B.
$4 f^4$
b
$Nd (60)=[ Xe ] 4 f ^4 5 d ^0 6 s ^2$

$Nd ^{2+}=[ Xe ] 4 f ^4 5 d ^0 5 s ^0$

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