The lowest $O - O$ bond length in the following molecule is
$O_2F_2$
$O_2$
$H_2O_2$
$O_3$
Which of the following statement is not correct ?
The bond order of $He_2^ + $ molecule ion is
Incorrect statement when $C_2$ change to $C_2^{-2}$
Use molecular orbital theory to explain why the $Be_{2}$ molecule does not exist.
Which of the following species is the least stable