Across
- 6. heat exiting a reaction
- 7. a compound that has carbon and oxygen in it
- 8. scientific word for burning
- 10. heat entering a reaction
- 11. when oxygen is added to a chemical reaction
Down
- 1. symbolic representation of a chemical reaction
- 2. two or more atoms are chemically bonded together
- 3. two liquids are mixed to form a solid
- 4. a pure substance made from more than one element
- 5. when a liquid turns into a solid as the temperature cools
- 9. turns a solid into a liquid using heat