• # question_answer Which of the following species have same shape/same bond order? $N_{3}^{-},\,NO_{2}^{-},\,C{{O}_{2}},\,{{O}_{3}}$

Isoelectronic species have same shape/same bond order. The number of outer electrons is same in $C{{O}_{2}}$ and $N_{3}^{-}$ and same in ${{O}_{3}}$ and $NO_{2}^{-}$.