Chapter 11

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