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Dipole-dipole forces
Dipole-dipole forces are intermolecular attractions between the oppositely charged ends of permanent dipoles in polar molecules.
Dipole-induced dipole forces
Dipole-induced dipole forces occur when a polar molecule with a permanent dipole induces a temporary dipole in a nearby nonpolar molecule.
Hydrogen bonding
Hydrogen bonding occurs when a hydrogen atom is covalently bonded to a highly electronegative atom (N, O, or F), creating a highly polar bond. The partially positive hydrogen atom $δ^+$ is then attracted to a lone pair of electrons on another electronegative atom in a nearby molecule.
London dispersion forces
London dispersion forces are weak intermolecular forces caused by temporary dipoles that arise due to momentary fluctuations in electron distribution within atoms or molecules.