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