Question
Identify the element for which electronic configuration in $+3$ oxidation state is $[\mathrm{Ar}] 3 \mathrm{~d}^{5}$ :
✓
Answer
d
$\mathrm{Fe}^{3+}[\mathrm{Ar}] 3 \mathrm{~d}^{5}$
$\mathrm{Fe}^{3+}[\mathrm{Ar}] 3 \mathrm{~d}^{5}$
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