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Water Properties
| Term | Definition |
|---|---|
| cohesion | attraction between molecules of the same substance |
| adhesion | force of attraction between different kinds of molecules |
| buffer | a compound that prevents sharp, sudden changes in pH |
| base | a compound that produces hydroxide ions (OH-) in solution; a solution with a pH of more than 7 |
| acid | a compound that forms hydrogen ions (H+) in solution; a solution with a pH of less than 7 |
| solution | type of mixture in which all the components are evenly distributed |
| suspension | mixture of water and nondissolved materials |
| mixture | material composed of two or more elements or compounds that are physically mixed together but not chemically combined |
| hydrogen bonds | weak attraction between a hydrogen atom and another atom |
| solvent | dissolving substance in a solution |
| solute | substance that is dissolved in a solution |
| pH scale | scale with values from 0 to 14, used to measure the concentration of H+ ions in a solution; a pH of 0 to 7 is acidic, a pH of 7 is neutral, and a pH of 7 to 14 is basic |