| Earliest Use | Element | % Correct |
|---|---|---|
| Before 6000 BCE | Gold | 94%
|
| Before 5000 BCE | Silver | 93%
|
| 9000 BCE | Copper | 90%
|
| Before 5000 BCE | Iron | 90%
|
| 3500 BCE | Tin | 79%
|
| 7000 BCE | Lead | 75%
|
| 3750 BCE | Carbon | 71%
|
| Before 2000 BCE | Mercury | 61%
|
| Before 1000 BCE | Zinc | 57%
|
| Before 2000 BCE | Sulfur | 56%
|
| Before 300 CE | Arsenic | 29%
|
| Before 800 CE | Antimony | 24%
|