Chemical Formulas and Reactions

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