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Are London dispersion forces present in every molecule?

Posted: Fri Jun 08, 2018 6:15 pm
by Mario Reyes 1C
Is it safe to say that London dispersion forces are present in every molecule? Are these forces within the molecule, or between neighboring molecules?

Re: Are London dispersion forces present in every molecule?

Posted: Fri Jun 08, 2018 11:46 pm
by jadam_1E
London dispersion forces exist between any two molecules provided that they are close enough together! They are a result of the electrons in one molecule attracting to the positively charged nuclei of another molecule (This means they are present in both polar and non polar molecules).

These dispersion forces are strongest between large, heavy atoms that have valence e- farther away from the nucleus!

Re: Are London dispersion forces present in every molecule?

Posted: Sat Jun 09, 2018 4:28 pm
by Salena Chowdri 1I
London dispersion forces are present between any 2 molecules that are close together