matter

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Across
  1. 4. positive charge
  2. 6. a mixture that is uniform throughout
  3. 7. No charge
  4. 8. how to turn a liquid to a gas
  5. 10. negative charge
  6. 11. how to turn a solid to a liquid
  7. 12. The vertical columns in the periodic table
Down
  1. 1. two elements chemically combined
  2. 2. how to turn a liquid into a solid
  3. 3. what makes up everything around you
  4. 5. the horizontal rows on the periodic table
  5. 6. a mixture that is not uniform throughout
  6. 9. the smallest level of matter