| A | B |
| alkanes | carbon compounds with all single bonds |
| alkenes | carbon compounds with one or more double bonds |
| alkynes | carbon compounds with one or more triple bonds |
| cycloalkanes | carbon compounds that have a "circle" connection in them |
| Saturated hydrocarbons | carbon compounds that have the maximum number of hydrogens |
| unsaturated hydrocarbons | carbon compounds that do NOT have the maximum double bonds |
| aliphatic hydrocarbons | carbon compounds that have a chain of carbons connected together |
| organic compounds | carbon compounds that can be found in living things |
| propane | a carbon compound with three carbon in a connected line |
| propene | carbon compound that has three carbons with a double bond |
| isomers | carbon compounds that have the same empirical formula but different structural formulas |
| substituent group | a group of carbons connected together added to a chain of carbons |
| homologous series | compounds whose structure differ from one another by a specific structural unit |
| general formula for alkanes | CnH2n |