Why does hydrochloric acid have a higher boiling point than diatomic fluorine?

Hydrochloric acid is polar which means it has stronger bonds between it's molecules, unlike diatomic fluorine that is non-polar and has weaker bonds. That's why it has a higher boiling point.

The dispersed phase is liquid and dispersed medium in milk is liquid

You use the atomic number to find out how many protons and neutrons there are in the atom. you use the atomic mass to find out how many protons and electrons there are in the atom.