| A | B |
| Alkanes | Hydrocarbons with single bonds; formula CnH2n+2 |
| Perspective Formula | 3-D structure of a molecule |
| Condensed formula | shortened version of formula that leaves out bonds; ex. CH3CH2CH3 |
| Line Formula | Simplified formula in which each point represents a CH2; ex. CH3^CH3 |
| Isomer | variations of a compound with the same molecular formula |
| Alkyl | Hydrocarbon missing a hydrogen |
| Primary Carbon | Carbon bonded to one other carbon |
| Secondary Carbon | Carbon bonded to 2 other carbons |
| Tertiary Carbon | Carbon bonded to 3 other carbons |
| Quaternary Carbon | Carbon Bonded to 4 other carbons |
| Cycloalkane | Hydrcarbon in a ring structure |
| -Cis | prefix that means similar groups on the same side |
| -Trans | means similar groups on different sides |