Physical Science Chapter 11 Crossword

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