Which one of the following species has the highest bond order, shortest bond length and maximum bond strength?
A
O<sub>2</sub>
B
O<sup>+</sup><sub>2</sub>
C
O<sup>-</sup><sub>2</sub>
D
O<sup>-2</sup><sub>2</sub>
Correct Answer: O<sup>+</sup><sub>2</sub>
O+2 has the highest bond order, shortest bond length and maximum bond strength.