What are London forces in chemistry?

Answer 1

See below.

London dispersion forces are considered the weakest intermolecular type of Van der Waals forces.

They are present in an instantaneous electric dipole moment in non-polar as well as polar molecules.

This type of force becomes stronger as the atom enlarges, and to a smaller degree for large molecules. This is due to the increased polarizability of molecules with more dispersed electron clouds where free electrons can be found.

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Answer 2

Ellie Adams

London forces, also known as dispersion forces or van der Waals forces, are weak intermolecular forces arising from temporary fluctuations in electron distribution. These forces occur in all molecules and increase with the size and shape of the molecules.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.