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