What kind of noncovalent interaction is typified by interactions between two molecules that are so close together that they can experience weak attractive forces bonding them together?

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Van der Waals forces are weak attractive forces that exist between molecules that are in close proximity of each other, and are caused by fluctuations in electron density around the atoms. These forces include London dispersion forces, which arise from instantaneous dipole moments, and dipole-dipole interactions, which occur between molecules with permanent dipole moments.

What Kind of Noncovalent Interaction Is Typified by Interactions Between