| A | B |
| Alkanes | Carbon-carbon single bonds |
| Alkenes | Carbon-carbon double bonds |
| Alkynes | Carbon-carbon triple bonds |
| one | number of bonds formed by halogens |
| two | number of bonds formed by oxygen |
| four | number of bonds formed by carbon |
| -OH | alcohol functional group |
| -COOH | carboxylic acid functional group |
| R-O-R' | Ether functional group |
| buta | prefix for 4 carbon parent chain |
| eth | prefix for 2 carbon parent chain |
| hepta | prefix for 7 carbon parent chain |
| esters | compounds used for perfumes and flavorings |
| alcohols | used in disinfectants |
| penta | prefix for 5 carbon parent chain |
| -yl | ending for a carbon chain branch |