Chemistry

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Across
  1. 2. Has a fixed volume but an unfixed shape
  2. 5. Group 1 of the periodic table.
  3. 6. contains two or more elements. Cannot be separated by physical means.
  4. 8. Gases Group 18 of the periodic table.
  5. 9. Group 17 of the periodic table
  6. 10. substances that aren't chemically combined
Down
  1. 1. Group 2 of the periodic table
  2. 3. Has an unfixed volume and shape
  3. 4. made up of one type of atom
  4. 7. Has a fixed volume and shape.