Matter

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Across
  1. 3. True or False: H2O is a compound
  2. 4. What everything is made of
  3. 8. True or False: C6 is an element
  4. 9. True or False: Cu3Zn2 is a compound
  5. 10. 2 or more substances that are NOT chemically combined
Down
  1. 1. 2 or more elements that are chemically combined.
  2. 2. ________ is the rarest element in the universe
  3. 5. A substance that cannot be broken down or separated
  4. 6. ________ is the most abundant element in the universe
  5. 7. A substance like Oobleck