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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
Identify the outer electronic configuration of first element of first transition series.
  • A
    $[ Ar ] 3 d ^1 4 s ^1$
  • ✓
    $[ Ar ] 3 d ^1 4 s ^2$
  • C
    $[ Kr ] 4 d ^1 5 s ^2$
  • D
    $[ Kr ] 4 d^{\circ} 5 s^2$
✓

Answer

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

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