91Ó°ÊÓ

Explain why N₂²⁺ is diamagnetic, while O₂⁴⁺, which has the same number of valence electrons, is paramagnetic.

A typical barometric pressure in Redding, California, is about 750mm Hg. Calculate this pressure in atm and kPa.

Use valence bond theory to explain the bonding in\({{\rm{O}}_{\rm{2}}}\). Sketch the overlap of the atomic orbitals involved in the bonds in \({{\rm{O}}_{\rm{2}}}\).

The main component of air is N₂. From the molecular orbital diagram of N₂, predict its bond order and whether it is diamagnetic or paramagnetic.

Why is the concept of hybridization required in valence bond theory?