Elements, Compunds, and Mixtures

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Across
  1. 1. not chemically bonded together
  2. 3. Periodic Table of _______
  3. 7. bonded together by lines or touching
  4. 8. how compounds are held together
Down
  1. 2. same type
  2. 4. anything that has a mass or takes up space
  3. 5. Building blocks
  4. 6. carbon dioxide
  5. 9. oxygen