Download App

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

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryTransition and Inner Transition Elements1 Mark
MCQ
Chromium (Z = 24) has electronic configuration
  • A
    $[ Ar ] 4 d^A 4 s^2$
  • B
    $[ Ar ] 4 d ^5 45^1$
  • C
    $[A r] 3 d^5 3 s^1$
  • ✓
    $[ Ar ] 3 d^5 4 s^1$
✓

Answer

Correct option: D.
$[ Ar ] 3 d^5 4 s^1$
$[ Ar ] 3 d^5 4 s^1$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Transition and Inner Transition Elements→Transition and Inner Transition Elements — all question types→Chemistry STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

The ratio of close packed atoms to octahedral holes in cubic packing is
→
The total number of electrons present in the central carbon atom of a free radical is
→
RNA has
→
A solid which has definite heat of fusion is
→
Which polymer among the following polymers does not soften on heating?
→
The strongest oxidizing agent is :
→
(+)-2-Methylbutan-1-ol and (-)-2-methylbutan-1-ol have different values for which property?
→
Which from following amino acids contains sulfur?
→
According to Lowry$-$Bronsted concept, base is a substance which acts as $–$
→
Which of the following is not correct ?
→