Lawrie Ryan and Roger Norris Solutions for Chapter: Transition Elements, Exercise 3: Question

Write down the electronic configuration of $\mathrm{Cr}$.

Write down the electronic configuration of $\mathrm{Co}$.

Write down the electronic configuration of ${\mathrm{Fe}}^{3+}$.

Write down the electronic configuration of ${\mathrm{Ni}}^{2+}$.

Write down the electronic configuration of ${\mathrm{Cu}}^{+}$.

Explain why scandium (which forms only one ion, ${\mathrm{Sc}}^{2+}$) and zinc (which forms only one ion, ${\mathrm{Zn}}^{2+}$) are not called transition elements. 

Explain why the maximum oxidation state of manganese is $+7$.

Determine the oxidation state of Vanadium in ${\mathrm{VO}}_2^{+}, {\mathrm{VO}}^{2+}, {\mathrm{V}}^{3+}, {\mathrm{V}}^{2+}$.