Figure \PageIndex2: Dipole-dipole forces are a result of the attraction of the positive end of one dipole to the negative end of a neighboring dipole. (CC BY-NC 3.0; Joy Sheng via CK-12 Foundati...Figure \PageIndex2: Dipole-dipole forces are a result of the attraction of the positive end of one dipole to the negative end of a neighboring dipole. (CC BY-NC 3.0; Joy Sheng via CK-12 Foundation) Intermolecular forces are nearly nonexistent in the gas state, and so the dispersion forces in chlorine and fluorine only become measurable as the temperature decreases and they condense into the liquid state.