Across
- 1. One property of gases is that they can all ____?
- 2. Gas associated with coloured lights
- 4. Gas that is known for causing a squeaky voice
- 7. A from of oxygen that forms a layer around the earth
- 11. Used to test for carbon dioxide
- 12. Only group 6 gas
- 14. Noble gas and the third most abundant gas in the atmosphere
Down
- 1. Yellow coloured halogen
- 3. nitrogen compound that has a distinctive pungent smell
- 5. Tested for with a lighted splint
- 6. Hydrocarbon produced in cattle
- 8. Main gas in air
- 9. Dioxide that causes acid rain
- 10. Gas with atomic number 54
- 13. Dioxide associated with global warming