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Ch 2 (Sec 2.2)
Miller and Levine Biology
| Question | Answer |
|---|---|
| hydrogen bond | a weak bond formed between a hydrogen molecule and another atom |
| cohesion | attraction between molecules of the same substance |
| adhesion | attraction between molecules of different substances |
| mixture | a material composed of two or more elements or compounds that are physically mixed together but not chemically combined |
| solution | a mixture in which all the components are evenly distributed |
| solute | the substance that is dissolved |
| solvent | the substance in which the solute dissolves |
| suspension | mixtures of water and nondissolved material |
| acid | any material that forms hydrogen ions in solution |
| base | any material that forms hydroxide ions in solution |
| buffer | prevent sharp, sudden changes in pH |