Chemical Reactions Vocabulary

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Across
  1. 1. Compound of cobalt has ___ colour
  2. 7. One observation of reaction (rapid bubbles)
  3. 8. A substance that does not dissolve in water
  4. 9. A substance that undergoes a chemical change
  5. 10. Law of _______ of mass
Down
  1. 2. Most chemical changes can not be undone, they are____
  2. 3. During a chemical reaction what happens to the atoms
  3. 4. Any reaction that involves burning
  4. 5. These are tiny suspended solid particles
  5. 6. A new substance that forms in a chemical reaction