Crossword Puzzle in Chemistry

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Across
  1. 4. substances that give ions when dissolved in water.
  2. 7. the amount of heat that must be added or removed during a chemical reaction in order to keep all substances present at the same temperature
  3. 8. the number of particles each solute formula unit breaks apart into when it dissolves
  4. 10. the lowering of a solvents freezing point due to the addition of a solute.It has the molal constant boiling temperature of 1.86°C/m
Down
  1. 1. the raising of a solvents boiling point due to the addition of a solute. It has the molal constant boiling temperature of 0.512°C/m
  2. 2. it is known as molal concentration.
  3. 3. a unit of concentration expressed as the number of moles dissolved solute per liter of solution.
  4. 5. a substance that speed up the rate of chemical reaction by lowering the activation energy
  5. 6. postively charged ions
  6. 9. negative ions that are formed when a non-metal atom gain one or more electrons