Hydrocarbon
A compound containing only carbon and hydrogen
Homologous series
A series of compounds that have the same functional group. Each member differs from the next by a common structural unit
Functional group
The atom or group of atoms in a molecule that give it its characteristic chemical properties
Unsaturated compound
Compounds that contain double or triple bonds
Saturated compound
Compounds that only have single bonds
Structural isomer
Two or more compounds that have the same molecular formula but different structural formula - the atoms