Matter

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