Named after the Dutch physicist Johannes Diderik van der Waals, these intermolecular forces include attractions ... observed and demonstrates the universal presence of these forces. Post-it Notes: The ...

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 ...

Isomers are compounds with the same molecular formulae but different structural formulae. They have the same number of each type of atom. They can be part of the same or different homologous ...