Although $CN^{-}$ ion and $N_2$ molecule are isoelectronic,yet $N_2$ molecule is chemically inert because of

Compare the relative stability of the following species and indicate their magnetic properties: $O_2$,$O_2^+$,$O_2^-$ (superoxide),$O_2^{2-}$ (peroxide).

Bond order of $C_2$ vapour is :

$AX$ is a covalent diatomic molecule where $A$ and $X$ are second row elements of the periodic table. Based on Molecular Orbital Theory,the bond order of $AX$ is $2.5$. The total number of electrons in $AX$ is ........... (Round off to the nearest integer).

Which of the following molecular orbitals has the maximum number of nodal planes?

Among the following species,the diamagnetic molecule is