Which of the following is true regarding hydrogen bonding (select all that apply): Both molecules must contain an N, O or an F atom.

Hydrogen bonding is a physical bond holding two atoms close together.

Hydrogen bonding is an example of a London dispersion force.

Hydrogen bonding is an example of a dipole-dipole interaction.

Both molecules must contain a hydrogen bonded to either an N, O or F atom.

When comparing molecules of similar sizes, those that can hydrogen bond have a higher boiling point than those that are attracted solely by London dispersion forces.