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Stack #4636324
| Question | Answer |
|---|---|
| Hydrogen Bond | weak attraction between a hydrogen atom and another atom |
| Cohesion | attraction between molecules of the same substance |
| Adhesion | force of attraction between different kinds of molecules |
| Mixture | material composed of two or more elements or compounds that are physically mixed together but not chemically combined |
| Solution | type of mixture in which all the components are evenly distributed |
| Solute | substance that is dissolved in a solution |
| Solvent | dissolving substance in a solution |
| Suspension | mixture of water and nondissolved material |
| 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 |
| Acid | a compound that forms hydrogen ions (H+) in solution; a solution with a pH of less than 7 |
| Base | a compound that produces hydroxide ions (OH-) in solution; a solution with a pH of more than 7 |
| Buffer | a compound that prevents sharp, sudden changes in pH |