Chemical Reactions and The Law of Conservation of Mass

123456789101112131415
Across
  1. 3. One element changes places
  2. 5. A type of reaction in which the system ABSORBS energy
  3. 7. Is a positive charge
  4. 8. EACH ElEMENT that are present in a compound
  5. 9. A type of reaction that RElEASES energy
  6. 11. EACH COMPOUND that is present
  7. 12. The basic unit of a chemical element
  8. 13. Substances created by chemical change
  9. 14. Products are ALWAYS CO2 and H2O
  10. 15. Anything that has mass and take up space
Down
  1. 1. means "to break apart"
  2. 2. Two or more substances combine to form a new substance
  3. 4. Is a negative charge
  4. 6. Occurs between two iconic compounds
  5. 10. Substances that are destroyed by the chemical change