| A | B |
|---|
| Organic compounds | Compounds that contain carbon. |
| Hydrocarbons | Made of only carbon and hydrogen. |
| Saturated hydrocarbons | Contain only single-bonded carbons. |
| Unsaturated hydrocarbons | Contain double and triple bonded carbons. |
| Isomers | Have the same chemical formula, but a different chemical structure. |
| Aromatic compound | Contains a benzene ring |
| Substiuted hydrocarbon | Has one or more of its hydrogen atoms replaced by atoms of other elements. |
| Alcohol | Made when an OH group replacesa hydrogen. |
| Biomass | All animal and plant material. |
| Biogas | Methane |
| Energy Farming | Growing plants for use as fuel not food. |
| Gasohol | Combination of ethanol and gasoline. |
| Polymers | Huge molecules made of many smaller molecules. |
| Proteins | A polymer formed from amino acids. |
| Nucleic acids | A polymer made from nucleotides; DNA |
| Carbohydrates | Compound with twice as many hydrogens than oxygens. |
| Lipids | Fats |
