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Intermolecular Force (IMF)

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Intermolecular Force (IMF). Force of attraction between or among molecules. London Dispersion Forces (LDF). Weak force Temporary or induced dipole Exist between all particles Dominant between identical non-polar molecules. Dipole-Dipole. Attraction between oppositely- charged regions

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Intermolecular Force (IMF)

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  1. Intermolecular Force (IMF) Force of attraction between or among molecules

  2. London Dispersion Forces (LDF) Weak force Temporary or induced dipole Exist between all particles Dominant between identical non-polar molecules

  3. Dipole-Dipole Attraction between oppositely- charged regions Polar molecules Generally stronger than LDF

  4. Hydrogen Bond Special type of dipole-dipole Occurs between molecules containing H atom bonded to F, O, N -stronger than ordinary dipole-dipole

  5. H bond>dipole-dipole>LDF polar (N,O,F)polarall molecules -boiling point -melting point -freezing point

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