Intro Chem CH 2 and 3

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Across
  1. 6. matter that has unique chemical and physical properties
  2. 7. a change in matter that involves formation of a new substance
  3. 8. matter changing from a solid directly to a gas
  4. 10. anything that has mass and takes up space
  5. 11. a change in matter from a liquid to a solid
  6. 12. a change from a gas to a liquid
  7. 13. the ability to move matter or do work
Down
  1. 1. matter changing from a liquid to a gas without boiling
  2. 2. a combination of atoms bonded together
  3. 3. the smallest particle of an element
  4. 4. matter changing from a gas directly to a solid
  5. 5. a change that does not involve forming a new substance
  6. 9. the average kinetic energy of a sample of matter