| Term | Definition |
|---|
| Adhesion | An attraction between molecules of different substances. |
| Cohesion | An attraction between molecules of the same substance. |
| Capillary action | The combination of adhesion and cohesion that allows water to travel up small tubes. |
| Hydrogen Bonding | Attraction that form between a positively charged hydrogen atom of one water molecule and a negatively charged oxygen atom of another water molecule. |
| Temperature Moderation | Property of water in which water molecules resist temperature change because of hydrogen bonding. |
| Solution | Combination of a solute and a solvent. |
| Solvent | The substance that the solute dissolves in to form a solution. |
| Solute | The substance dissolved by the solvent to form a solution. |
| Polarity | The differences in electrical charge at the ends of a molecule. |
| Nonpolarity | Not having a positively charged and a negatively charged end. |
| Amphipathic | Having both a hydrophilic region and a hydrophobic region. |
| pH | A logarithmic scale (each level a factor of ten above the last) used to determine the acidity of an organic compound. |
| Hydroxide | The ion that bases have a higher concentration of. |
| Hydronium | The ion that acids have a higher concentration of. |
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