Across
- 2. increasing the concentration ___________ the number of collisions per second
- 3. the amount of energy required to pull two bonded atoms apart
- 6. there are _____types of chemical reactions.
- 7. during a chemical reaction, one or more new compounds are formed as a result of the rearrangement of what?
- 9. bond energy is also known as what?
- 10. reactants turn into what?
Down
- 1. no atoms are gained or lost duing any reaction; this describes what?
- 4. how quickly the concentration of reactants decreases and how quickly the concenration of products increases
- 5. a substance that lowers the activation energy of a chemical reaction
- 8. clues to indicate chemical change include heat given off, bubbles or gas, precipitate may form, the change is difficult to reverse, and what else?