Which one of the noble gases will will have the strongest london dispersion forces?

1 Answer
anor277
Dec 8, 2015

The one with the most electrons, viz. radon. #Z# #=# #86#.

Explanation:

London dispersion forces arise from polarizable electron clouds. Clearly the atom with the most electrons will be one that is most (transiently!) polarizable. This is reflected by the respective boiling points, #He# #4K#, #Ne# #27K#, #Ar# #87K#, #Kr# #122K#, #Xe# #167K#, #Rn# #212K#

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