Van der Waals forces/Definition: Difference between revisions

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imported>Kim van der Linde
(correct def)
imported>Paul Wormer
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A weak attractive force between atoms or nonpolar molecules caused by a temporary change in dipole moment arising from a brief shift of orbital electrons to one side of one atom or molecule, creating a similar shift in adjacent atoms or molecules.
A weak force between (closed-shell) atoms and molecules. Attractive for long distances, repulsive for short distances. Sometimes used as synonym for the attractive London (dispersion) force (the only attractive force between  noble gases).

Revision as of 08:45, 19 October 2007

A weak force between (closed-shell) atoms and molecules. Attractive for long distances, repulsive for short distances. Sometimes used as synonym for the attractive London (dispersion) force (the only attractive force between noble gases).

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