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Chemistry · 2026 · 1 mark
CBSE 2026 · Region 2 · Set 1 · Q4
Electronic configuration of chromium is:
Electronic configuration of chromium is :
Official answer
(C)
$\displaystyle [\mathrm{Ar}] 3 \mathrm{~d}^{5} 4 \mathrm{~s}^{1}$
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CBSE Class 12 Chemistry past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.