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Unformatted text preview: strong dipole-dipole interaction Dipole-Dipole d + d d X H Y X, Y = N, O, F Solid Liquid Dispersion (or London) forces At some point in time, E.g. Ne atom 3 London force Polarizability : susceptibility of an atoms electron cloud to distortion by a neighbouring charge strength depends on polarizability - increases with the number of electrons which increases with molecular mass. b.p. ( o C) F 2-188 Cl 2- 34 Br 2 59 I 2 185 - increase in London forces between molecules Basis Energy (kJ/mol) Example...
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