Ella Burgermeister

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