Across
- 6. Collision that leads to a chemical reaction
- 7. Ability to do work or cause change
- 8. Process that results in a chemical change
- 10. When particles strike each other
- 12. Measure of the average kinetic energy of particles
Down
- 1. How often particles collide
- 2. Speed of a chemical reaction
- 3. Energy of motion of particles
- 4. Substance that speeds up a reaction without being used up
- 5. Small unit of matter involved in reactions
- 7. Biological catalyst
- 9. Minimum energy needed for a reaction to occur
- 11. Proper alignment of reacting particles