Across
- 4. ________ reactions create a new substance
- 6. Tells you how many of that same element is in a compound
- 9. everything after the arrow in a chemical equation
- 11. Everything before the arrow in a chemical equation
- 13. ________ electrons bond atoms
Down
- 1. Reaction is cooler than surroundings
- 2. Reaction is warmer than surroundings
- 3. We mix chemicals in this glass object
- 5. What is energy?
- 7. What kind of reaction is tearing paper?
- 8. Tells you how many compounds there are
- 10. Energy is released to _______ new bonds
- 12. Energy is needed to ______ bonds