Chapter 11

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