Chemical Reaction Quest

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Across
  1. 2. Evidence of gas produced during a chemical reaction
  2. 4. A common kitchen ingredient that reacts with citric acid.
  3. 7. The "C" in CO2
  4. 8. System where the mass does not change
  5. 11. The new substances formed in a chemical reaction
  6. 14. dioxide Gas produced during the bath bomb reaction
  7. 15. Another word for smell
  8. 17. Material made up of more than one substance
  9. 18. another property is the state of matter at room __________
Down
  1. 1. A component of marble
  2. 3. A state of matter
  3. 5. The building blocks of molecules
  4. 6. Solid left off during the bath bomb reaction
  5. 9. A physical change where no new substance is formed
  6. 10. Atoms are neither created or _____ in a chemical reaction
  7. 12. mass divided by volume
  8. 13. Helps to identify a substance, like density and flammability
  9. 14. The type of change where atoms rearrange to form new substances
  10. 16. Starting materials of the reaction