In the molecular orbital diagram for the molecular ion,$N_2^+$,the number of electrons in the $\sigma_{2p_z}$ molecular orbital is

Explain $H_{2}$ molecule by molecular orbital theory.

Group the following molecules/ions according to their bond order: $O_2^{2-}, Li_2, O_2^{2+}, F_2, N_2, He_2^{2+}$.

During the formation of a molecular orbital from atomic orbitals,the probability of electron density is

$A$ pair of isoelectronic species having bond order of $1$ is

Bonding in which of the following diatomic molecule$(s)$ becomes stronger,on the basis of $M.O.$ Theory,by removal of an electron?
$(A)$ $NO$
$(B)$ $N_2$
$(C)$ $O_2$
$(D)$ $C_2$
$(E)$ $B_2$
Choose the most appropriate answer from the options given below.