| A | B |
|---|
| Cohesion | attraction between molecules of the same substance. |
| Adhesion | attraction between molecules of different substances. |
| Mixture | material composed of two or more elements or compounds that are physically mixed together but not chemically combined. |
| Solution | mixture of two or more substances in which the molecules of the substances are evenly distributed. |
| Solute | substance that is dissolved in a solvent to make a solution. |
| Solvent | substance in which a solute is dissolved to form a solution. |
| Suspension | mixture of water and nondissolved materials. |
| pH scale | measurement system used to indicate the concentration of hydrogen ions in solution; ranges from 0 to 14 |
| Acid | compound that forms hydrogen ions in solution. |
| Base | compound that produces hydroxide ions in solution |
| Buffer | weak acid or base that can react with strong acids or bases to help prevent sharp. sudden changes in pH |
