states of matter

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Across
  1. 4. change from a solid to a liquid when temp rises
  2. 7. most dense state of matter
  3. 9. positive charged large particle found in the nucleus of an atom
  4. 11. that takes place at the surface of a liquid
  5. 12. density is between solids and gasses, closer to solids
  6. 13. change from gas to a liquid
  7. 14. large particle with no charge found in the nucleus of an atom
  8. 15. a substance that cannot be broken down into other substances
  9. 16. the smallest particle of an element that has the properties of the element
Down
  1. 1. change from a solid to a gas
  2. 2. small negative charged particle orbiting the nucleus
  3. 3. change from a liquid to a gas
  4. 5. least dense state of matter
  5. 6. change from a liquid to a solid
  6. 8. rapid vaporization- change from a liquid to a gas
  7. 10. anything that has mass and takes up space