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December 21, 2014

Homework Help: Science/Chemistry

Posted by Jeff on Tuesday, January 9, 2007 at 4:07pm.

Is this true

Dispersion forces generally increase in strength as the number of electrons in a molecule increases.

The number of electrons can only increase if more atoms are added to the molecule. The molecule has to stay electrically neutral. Dispersion forces are of greater consequence to high MW molecules. So, in a round about manner, true.

If you mean as the atomic numbers go up, then yes, because there are more electrons to have dispersion.

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