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Module 4-physical sc
| Question | Answer |
|---|---|
| The use of electricity to break a molecule down into smaller units | electrolysis |
| a liquid substance capable of dissolving other substances | solvent |
| a substance that is dissolved in a solvent | solute |
| the phenomenon that occurs when individual molecules are so strongly attracted to each other that they tend to stay together, even when exposed to tension | cohesion |
| a molecule that has slight positive and negative charges due to an imbalance in the way electrons are shared | polar molecule |
| water that has certain dissolved ions in it-predominantly calcium and magnesium ions | hard water |