matter

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Across
  1. 2. can be broken down by chemical means
  2. 3. components are not uniform, they may be observed seperatly
  3. 6. 2 or more atoms held together by a chemical bond
  4. 7. 2 or more kinds of substances that are physically combined
  5. 8. Substances composed of one kind of element or compound
Down
  1. 1. Solutions and alloys are __________ mixtures
  2. 4. consists of 1 kind of atom
  3. 5. smallest unit of matter
  4. 6. is composed of atoms & molecules