| A | B |
|---|
| polar molecule | molecule in which the charges are unevenly distributed causing them to have a positive side and a negative side |
| hydrogen bond | weak attraction between polar molecules |
| cohesion | attraction between molecules of the same substance |
| adhesion | attraction between molecules of different substances |
| solution | mixture in which all the components are evenly distributed |
| solute | the substance that is dissolved in a solution |
| solvent | the substance in which another substance is dissolved to form a solution |
| acid | substance with a pH below 7 |
| base | substance with a pH above 7 |
| pH scale | measurement system to indicate the acidity or alkalinity of a substance |
| pH 7 | neutral solution, pure water |
| pH below 7 | acidic solutions |
| pH above 7 | basic solutions |
| surface tension | strong attractive force of molecules at the top |
| capillary action | upward movement of water through small tubes |
| hydrophillic | "water-loving" |
| hydrophobic | "water-fearing" |
| specific heat | energy required to raise the temperature of a subtance |
| pH 12.8 | strong base |
| pH 6.2 | weak acid |
| pH 1 | strong acid |
| pH 8.5 | weak base |
