Across
- 4. Before chemical reaction.
- 8. Means that a reaction is taking place in an equation.
- 9. Law of __________ of mass
- 10. Shows nothing was created or destroyed.
Down
- 1. Shows that something was created or destroyed.
- 2. Something that takes up space.
- 3. Matter cannot be created or ________.
- 5. After chemical reaction.
- 6. event that changes matter
- 7. Need to be equal on both sides of the equation.