Inter and Intramolecular Forces

Polar

Non-polar

Non-polar

Polar

Permanent dipoles

Movement of electrons creating temporary charges

Hydrogen bonding

Ionic interactions

They occur between two polar molecules.

They occur between a polar and a non-polar molecule.

The polar molecule induces a dipole in the non-polar molecule.

They only occur in ionic compounds.

London Dispersion

Dipole-dipole

Hydrogen Bond

London Dispersion

Dipole-dipole

Hydrogen Bond

Fluorine, Nitrogen, or Oxygen

Carbon, Sulfur, or Phosphorus

Helium, Neon, or Argon

Chlorine, Bromine, or Iodine

Dipole-Dipole Interaction

Ion-Dipole Interaction

Hydrogen Bonds

Covalent Bond

Ionic Bond

Dipole-Dipole Interaction

Ion-Dipole Interaction

Hydrogen Bonds

Covalent Bond

Ionic Bond

Hydrogen Bond, London Dispersion, Dipole-dipole

London Dispersion, Dipole-dipole,

Hydrogen Bond

Hydrogen Bond, Dipole-dipole, London Dispersion

Dipole-dipole, Hydrogen Bond, London Dispersion

an increase

a decrease

no change

Hydrogen bonding

dipole dipole

LDF

ion dipole

hydrogen bonding

dipole dipole

LDF

ion dipole

hydrogen bonding

ion dipole

LDF

dipole dipole

CH₄

H₂O

HCl

PH₃