Which of the following contains $(2C -1e^-)$ bond
$H_2^+$
$O_2$
$H_2$
$O_2^{2-}$
Explain energy level diagram for molecular orbital form by $1\mathrm{s}$ orbitals.
Give electron configuration, bond order, magnetic property and energy diagram for berilium $\left( {{\rm{B}}{{\rm{e}}_2}} \right)$ molecule and writ about it existence.
Which of the following pairs have identical values of bond order ?
Out of the following which has smallest bond length
State resemblance and differentence - both sigma and pai bond