Across
- 3. a physical or chemical change in which energy is absorbed
- 5. starting materials in a chemical reaction
- 8. Solid that is produced as a result of a chemical reaction in solution
- 10. substances formed from a chemical reaction
Down
- 1. Representation of a chemical reaction
- 2. mass is neither created nor destroyed in ordinary chemical and physical changes
- 4. process by which one or more substances undergo change to produce one or more different substances
- 6. Number of molecules in a chemical compound
- 7. a physical or chemical change in which energy is released or removed
- 9. small whole number in front of a formula in a chemical equation