| A | B |
|---|
| electrolysis | the use of electricity to break a molecule down into smaller units |
| polar molecule | a molecule that has slight positive and negative charges due to an imbalance in the way electrons are shared |
| solvent | a liquid substance capable of dissolving other substances |
| solute | a substance that is dissolved in a solvent |
| cohesion | the phenomenom that occurs when individual molecules are so strongly attracted to each other that they tend to stay together, even when exposed to tension |
| hard water | water that has certain dissolved ions in it-predominantly calcium and magnesiun ions |
| peer review | when scientists look closely at another scientist's findings to try to find experimental errors that the original scientist did not recognize |
| chemical bonds | link atoms in molecules together |
| nonpolar molecule | molecules with neutral charge |
