| A | B |
| covalent bond | attraction between atoms when share electrons |
| organic compound | contain element carbon |
| hydrocarbon | compound composed only of carbon & hydrogen |
| saturated hydrocarbon | contains only single-bonded carbon atoms |
| unsaturated hydrocarbon | contains at least one double or triple-bonded carbon atoms |
| isomer | compounds, same chemical formula, differenct molecular shape and structures |
| benzene | cyclic hydrocarbon with carbon atoms joined in alternating single and double bonds |
| acid | substance that produces hydrogen ions in water |
| substituted hydrocarbon | has one or more hydrogen atoms replaced by atoms of another element |
| alcohol | formed when -HO groups replace hydrogen atoms in hyddrocarbon |
| ester | substituted hydrocarbon |
| amine | substituted hydrocarbon with an -NH2 |
| aromatic compound | contains benzene compound |