Which of the following molecules has a bond order greater than $1$?

The total number of molecular orbitals formed from $2s$ and $2p$ atomic orbitals of a diatomic molecule is:

Which pair among the following does not have the same bond order?

If $P$ to $T$ are second period $p-$block elements,then which of the following graphs shows the correct relation between the number of valence electrons in $P_2$ to $T_2$ (corresponding molecules) and their bond order?

Explain the formation of $H_{2}$ and the energy level diagram of the $H_{2}$ molecule.

The bond order of $CO$ molecule is