Hint | Answer | % Correct |
---|---|---|
~9,000 BC | Copper | 100%
|
~6,000 BC | Gold | 100%
|
~5,000 BC | Iron | 100%
|
~1,500 BC | Mercury | 100%
|
~5,000 BC | Silver | 100%
|
~3,750 BC | Carbon | 88%
|
~2,000 BC | Sulfur | 88%
|
~3,500 BC | Tin | 88%
|
~7,000 BC | Lead | 75%
|
~1,000 BC | Zinc | 75%
|
~850 AD | Antimony | 50%
|
~850 AD | Arsenic | 38%
|
~600 BC | Platinum | 38%
|
~1,500 | Bismuth | 25%
|
1,669 | Phosphorous | 0%
|
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