Nature of matter

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Across
  1. 2. Consists of 2 or more pure substances physically mixed but not chemically combined
  2. 3. from liquid to gas
  3. 6. substance that can be decomposed by chemical means
  4. 8. Composed of a single type of atom
Down
  1. 1. from solid to liquid
  2. 2. groups of two or more atoms linked by chemical bonds
  3. 4. Definite shape and volume
  4. 5. fourth state of matter
  5. 7. Anything that occupies space and has mass