A.J. chapter 11

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Across
  1. 5. anything that has mass and.
  2. 7. the smallest unit of a substance that exhibits all of the properties characteristics of that substance.
  3. 9. any matter that has a fixed composition and definite properties.
  4. 10. mixing occurs between individual units
Down
  1. 1. the smallest particle that has properties of an element.
  2. 2. substances are not uniformly mixed
  3. 3. a combination of more than one pure substance.
  4. 4. a substance made of atoms of more than one element bound together.
  5. 6. the chemical symbols and numbers indicating the atoms contained in the basic unit of a substance.
  6. 8. a substance that cannot be broken down into simpler substances.