| Hint | Symbol | Answer | % Correct |
|---|---|---|---|
| 2nd | CO2 | Carbon dioxide | 100%
|
| 3rd | CH4 | Methane | 100%
|
| 5th | O3 (but stops UV rays) | Ozone | 89%
|
| 4th | N2O | Nitrous oxide/ Laughing gas | 56%
|
| 1st | H2O (and state) | Water Vapour | 56%
|
| 6th | CHF3 | Trifluoromethane | 22%
|
| 8th | SF6 | Sulfur Hexafluoride | 11%
|
| 7th | C2F6 | Hexafluoroethane | 0%
|
| 10th | SO2F2 | Sulfuryl Fluoride | 0%
|
| 9th | CClF3 | Trichlorofluoromethane | 0%
|