| Hint | Answer | % Correct |
|---|---|---|
| Most abundant element in the Universe | hydrogen | 94%
|
| Leads to rust | Oxygen | 90%
|
| Used in pencils | carbon | 83%
|
| Used for cryopreservation | Nitrogen | 79%
|
| Of yellow Color | Sulfur | 71%
|
| Was once used in Matches | Phosphorus | 49%
|