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Module 4 Vocabulary
The Wonder of Water
Question | Answer |
---|---|
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 phenomenon 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 - predominately calcium and magnesium ions |
Surface tension | The effect of cohesion on the surface of a liquid |