| Odpowiedź | % Poprawnych | |
|---|---|---|
| Węgiel | C | 75%
|
| Tlen | O | 72%
|
| Wodór | H | 67%
|
| Potas | K | 67%
|
| Jod | I | 64%
|
| Fosfor | P | 61%
|
| Fluor | F | 58%
|
| Siarka | S | 55%
|
| Azot | N | 51%
|
| Bor | B | 48%
|
| Uran | U | 37%
|
| Wanad | V | 29%
|
| Wolfram | W | 27%
|
| Itr | Y | 24%
|