Named after the Dutch physicist Johannes Diderik van der Waals, these intermolecular forces include attractions and repulsions that affect the physical properties and behaviors of molecules. They are ...

The properties of elements and compounds can ... the molecule itself is non-polar and the only intermolecular force present will be weak London dispersion forces. Ammonia (NH 3) and hydrogen ...

The alkanes are a homologous series with a structure based on a carbon chain - each carbon atom forms four covalent bonds The intermolecular forces vary between molecules, so different organic ...