| A | B |
|---|
| organic compound | compounds that contain carbon and hydrogen, often combined with a few other elements such as oxygen or nitrogen |
| network solid | a solid in which all the atoms are linked by covalent bonds |
| hydocarbon | an organic compound that contains only the elements hydrogen and carbon |
| saturated hydrocarbon | a hydrocarbon in which all of the bonds are single bonds |
| isomer | organic compounds with the same molecular formula but with different structual formulas |
| unsaturated hydrocarbon | a hydrocarbon that contains one or more double or triple bonds |
| aromatic hydrocarbons | hydrocarbon that contain a ring structure similar benzene |
| fossil feuls | rich deposits of hydrocarbon mixtures that formed from the remains of organisms |
| polymer | a large molecule formed when many smaller molecules are linked together by covalent |
| monomers | a small organic molecule that joins with other monmers to form a polymer |
| carbohydrates | a compound composed of carbon, hydrogen, and oxygen in which the ratio of hydrogen to oxygen atoms |
| nucleic acid | a large, nitrogen-containing polymer, found mainly in nuclei |
| amino acid | compounds that contain both carboxyl and amino functional groups |
| protein | a longer polymer that forms when amino acids bond together |
| photosythesis | a process in which plants chemically combine carbon dioxide and water into carbohydrates, a process requiring light and chlorophyll |
| enzymes | a protein that acts as a catalyst for reactions in cells |
| vitamins | an organic compound that organisms need in small amounts , but cannot produce |
