| Odpowiedź | % Poprawnych |
|---|---|
| Tlen | 85%
|
| Wodór | 83%
|
| Węgiel | 81%
|
| Potas | 79%
|
| Azot | 78%
|
| Jod | 77%
|
| Siarka | 72%
|
| Fosfor | 70%
|
| Fluor | 60%
|
| Bor | 58%
|
| Uran | 55%
|
| Itr | 39%
|
| Wanad | 37%
|
| Wolfram | 33%
|