1. London Dispersion Force (L.D.F.)
- results from temporary electron diploes
- weakest intermolecular force
- increases as the number of electrons increases
- occurs in any compound that has electrons (aka EVERYTHING)
2. Dipole-Dipole Force
- results from a permanent dipole in molecules
- polar molecules experience this force
- polarity depends how much elements want electrons (electronegativity)
- the strength of the bond depends on the difference in electronegativity between the two atoms
3. Hydrogen Bonds (H-Bonds)
- this is a special type of dipole-dipole bond between H and O, F, or N.
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