Advanced Science - Chemistry - First Term

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Across
  1. 1. what side of the periodic table are the metals placed?
  2. 3. a chemical reaction that takes in energy.
  3. 7. what are the horizontal rows in the periodic table called?
  4. 8. what is the name of the process for a liquid changing to a gas?
  5. 10. The minimum amount of energy particles need to react.
  6. 12. elements in the same group are similar because they have the same number of outer ---------?
  7. 13. how many elements are liquid state at room temperature?
  8. 14. a solution that wont dissolve any more solute at that temperature.
Down
  1. 2. the name given when a chemical reaction gives off gas.
  2. 4. what do the elements gain as you descend the groups?
  3. 5. what is the name given when an enzyme is destroyed by high temperatures.
  4. 6. What has taken place when a change of state occurs?
  5. 9. a firework display is an example of what kind of reaction?
  6. 11. What is the name of the first group of elements?