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Transition and Inner Transition Elements — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryTransition and Inner Transition Elements1 Mark
MCQ
The correct electronic configuration of Cr is …………..
  • A
    $[ Ar ] 3 d^4 4 s^2$
  • B
    $[ Ar ] 3 d ^5$
  • ✓
    $[\operatorname{Ar}] 3 d^5 4 s^1$
  • D
    $[ Ar ] 3 d ^5 4 s ^1$
✓

Answer

Correct option: C.
$[\operatorname{Ar}] 3 d^5 4 s^1$
$[\operatorname{Ar}] 3 d^5 4 s^1$

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