AJ Chapter 11

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