Intermolecular Forces

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Flashcards covering key concepts of intermolecular forces, including types and their characteristics.

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Intermolecular Forces

Forces that hold molecules of a substance together.

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Van der Waals' Forces

Also known as London dispersion forces; they are the weakest intermolecular forces.

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London Dispersion Forces

A type of Van der Waals' force caused by random movement of electrons that create temporary dipoles.

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Dipole-Dipole Forces

Attractions between polar molecules that have opposite partial charges.

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Hydrogen Bonds

A strong type of dipole-dipole interaction occurring in molecules containing H bonded to N, O, or F.

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Characteristics of Stronger IMFs

Include longer evaporation times, higher boiling/melting points, and higher surface tension.