Luke Strayer Burkholder CH11

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