Among the following species$N _{2}, N _{2}^{+}, N _{2}^{-}, N _{2}{ }^{2-}, O _{2}, O _{2}{ }^{+}, O _{2}^{-}, O _{2}{ }^{2-}$ the number of species showing diamagnetism is.
$4$
$1$
$2$
$3$
The total number of electron that takes part in forming bonds in ${N_2}$ is
What bond order does $O_2^{2 - }$ have
Which of the following statement is correct about $I^+_3$ and $I^-_3$ molecular ions ?
Write the important conditions required for the linear combination of atomic orbitals to form molecular orbitals.
Which one is paramagnetic from the following