2.2 Water

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Across
  1. 4. molecules lack an affinity for water (water insoluble).
  2. 5. a light, colourless gas (CH4).
  3. 6. the force by which individual molecules stick together.
  4. 9. a liquid in which substances (or solutes) are dissolved to form a solution.
  5. 10. the property of a substance of being soluble (dissolved).
  6. 11. heat capacity the amount of energy required to raise the temperature of water by one degree Celsius.
Down
  1. 1. property of having distinct and opposite charges (poles).
  2. 2. the force by which individual molecules cling to surrounding material and surfaces.
  3. 3. property that allows light to penetrate molecules of water.
  4. 7. molecules capable of interacting with water through hydrogen bonding (having an affinity for water).
  5. 8. a weak bond caused by electrostatic attraction between a positively-charged part of one molecule and a negatively-charged part of another.