London Dispersion

London Dispersion
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  • What does that even mean ?
  • London Dispersion forces are temporary forces caused by the attraction of constantly moving electron, which causes temporary concentrations of charge on one side of an atom.
  • This means that there are temporary attractions between atoms. The attractions do not last long because the electron are constantly moving around.
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  • (Electrons do not attract)
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  • Again ... I'm not understanding.
  • Among the three intermolecular forces there is also dipole-dipole bonding. Dipole-dipole bonding is the permanent attraction between oppositely  charged ends of polar molecules.
  • This means that the attractions between the atoms are not temporary. The electrons are not constantly moving around allowing for longer stability of attractions.
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  • Hydrogen bonding, which is the strongest of them all !
  • And the last Intermolecular force is-
  • Hydrogen bonds, while the strongest, can only occur between a Hydrogen and a Fluorine, a Hydrogen and a Oxygen, or a Hydrogen and a Nitrogen. The Hydrogen atom is partially positive while the fluorine, oxygen and nitrogen are partially negative.
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