CBSE 2025 · Region 2 · Set 1 · Q4 · 1 mark
The element having $\displaystyle [\mathrm{Ar}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^{1}$ electronic configuration is
Official answer
From CBSE’s own marking scheme for this paper.
(A)
Cu
The d-and f-Block ElementsElectronic Configurations of the d-Block ElementsRemembermcqeasy
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CBSE Class 12 Chemistry past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.