Chapter 21, Problem 63RQ

Coordination Number and Structure

What is the coordination number of nickel in ${\left[\text{Ni}\left({\text{C}}_{\text{2}}{\text{O}}_{\text{4}}\right)\text{,}{\left({\text{NO}}_{\text{2}}\right)}_{\text{2}}\right)}^{\text{4-}}\text{?}$