Chapter 11 crossword by Tommy

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Across
  1. 6. the chemical symbols and numbers indicating the atoms contained in the basic unit of a substance
  2. 7. the ability to change or move matter
  3. 8. a combination of more than one pure substance
  4. 12. the way a substance reacts with others to form new substances with different properties
  5. 14. a substance that cannot be broken down into simpler substances.
  6. 15. is anything that has mass that occupies space
  7. 17. describes 2 or more liquids that are able to dissolve into each other in various portions
  8. 19. any matter that has a fixed composition and definite properties
Down
  1. 1. the mass per unit volume
  2. 2. mixing occurs between individual units
  3. 3. a change in physical form but not in composition
  4. 4. a characteristic of a substance that can be observed or measured without changing the composition of the substance
  5. 5. substances are not uniformly mixed
  6. 9. a change in the composition by forming one or more new substance
  7. 10. the smallest unit of a substance that exhibits all of the properties characteristic of that
  8. 11. the smallest particle that has the properties on an element
  9. 13. the force exerted per unit area of a surface
  10. 16. describes 2 or more liquids that do not mix into each other
  11. 18. a substance made of atoms of more than one element bound together