General Biology-Unit 2-2 Smejkal/Fleming/Coop
About this set
Created by:
asmejkal on August 27, 2012
Subjects:
Description:
Chapter 2 Section 2
Classes:
CHS General Biology - Fleming/Smejkal/Coop
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12 terms
Terms | Definitions |
|---|---|
 Acid | compound that forms hydrogen ions (H+) in solutions |
| adhesion | attraction between molecules of different substances |
| base | compound that produces hydroxide ions (OH-) in solutions |
| buffer | weak acid or base that can react with strong acids or bases to help prevent sharp, sudden changes in pH |
| cohesion | attraction between molecules of the same substance |
| mixture | material composed of 2 or more elements or compounds that are physically mixed together but not chemically combined |
| pH scale | measurement system used to indicate the concentration of hydrogen ions (H+) in solution |
| polarity | molecule with unequal distribution of charges |
| solution | mixture of two or more substances in which the molecules of the substances are evenly distributed |
| suspension | mixture of water and non dissolved materials |
| solvent | substance in which a solute is dissolved to form a solution |
| solute | substance that is dissolved in a solvent to make a solution |
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