properties of matter

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Across
  1. 6. A characteristict of a material that you can observe that produces one or more new substances
  2. 7. A change from one substance to another
  3. 11. The smallest Constituent
  4. 12. retains its own original property
  5. 13. two or more different types of atom
  6. 14. two or more substances that re not chemically combined
  7. 15. A type of matter with fixed composition
Down
  1. 1. A change in size,shape,or state
  2. 2. The mass of all substances that are present before a chemcial change,equals the mass of all of the substances that remain after the change
  3. 3. Takes up space
  4. 4. Any substance made up of only one type of atom
  5. 5. A heterogenous mixture with particles that never settle
  6. 8. Number of neutrons and protons have different amounts
  7. 9. Lose their original properties
  8. 10. You can observe without changing the identity of a substance