Question

Which of the following substances made up of nonpolar molecules would you predict to have the lower boiling point, F2 or H2?

Answer 1

intermolecular forces of attraction of these forces (which is van der waals), forces the diatoms to increase w/ atomic size due to increase number of electrons. the higher boiling point means that it requires MORE energy to break apart these bonds and take them into gas phase. So, ingeneral, more electrons = stronger intermolecular attraction = higher bP