Consider the molecular orbital diagram shown below, a diagram
that is often applied to the first row diatomic molecules. Note
that this diagram comprises orbitals derived from the n = 2 valence
shell of orbitals (2s and 2p). Use this diagram to determine (1) if
the following diatomic molecules or ions will be diamagnetic (all
electrons paired) or paramagnetic (one or more unpaired electrons),
and (2) for paramagnetic species, the number of unpaired
electrons.O2, N2, CO, NO, NO-, NO+, CN-,...