Molecule
Intermolecular
Intramolecular
Symmetry
NH
3
hydrogen bonding and dispersion forces
polar covalent
Asymmetrical
CH
4
dispersion forces only
polar covalent
Symmetrical
SO
3
dispersion forces only
polar covalent
Symmetrical
CO
2
dispersion forces only
polar covalent
Symmetrical
C
2
H
6
dispersion forces only
polar covalent
Symmetrical