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Transition and Inner Transition Elements — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryTransition and Inner Transition Elements1 Mark
MCQ
The electronic configuration of Sc is
  • A
    $[ Ar ] 3 d ^2 4 s ^2$
  • ✓
    $[ Ar ] 3 d^1 4 s^2$
  • C
    $[K r] 3 d^1 4 s^2$
  • D
    $[K r] 3 d^2 4 s^1$
✓

Answer

Correct option: B.
$[ Ar ] 3 d^1 4 s^2$
$[ Ar ] 3 d^1 4 s^2$

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