| A | B |
|---|
| Acids | substances that release positively charged hydrogen ions |
| Hydronium ions | positively charged and have the formula H3O+ |
| Bases | substances that can accept hydrogen ions |
| pH | a measure of how acidic or basic a solution is |
| indicators | compounds that react with acidic and basic solutions and produce certain colors, depending on the solutions pH |
| neutralization | the reaction of an acid with a base |
| organic compound | most compounds that contain carbon |
| hydrocarbon | a compound that contains only carbon and hydrogen |
| saturated hydrocarbon | all the bonds in a hydrocarbon are single bonds |
| unsaturated hydrocarbon | hydrocarbons with double or triple bonds |
| isomers | compounds that have the same molecular formula but different arrangements or structures |
| hydroxyl group | made up of one oxygen atom and a hydrogen atom joined by a covalent bond -OH |
| carboxyl group | consists of a carbon atom that has a double bond with one oxygen atom and a singel bond with a hydroxyl group -COOH |
| amino group | nitrogen joined by a covalent bond to two hydrogen atoms -NH2 |
| amino acid | essential for human life |
