Question
Give the electron configuration and the number of unpaired electrons for (a) $\mathrm{Sc}^{3+} ;(\mathrm{b}) \mathrm{Cu}^{2+} ;(\mathrm{c}) \mathrm{Fe}^{3+} ;(\mathrm{d}) \mathrm{Nb}^{3+} .$
Step 1
Step 1: First, we need to understand that electrons are removed from the outermost shell first, and within a shell, they are removed from the s orbital before the d orbital. Show more…
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