Question of the day: 5-19-17

Question: Tin is one of the main components of bronze, but what other metal is the backbone of the alloy?

Answer: Copper. Most bronze is about 12% tin, mostly copper, and a bit of nickel, manganese, aluminum or zinc to improve its workability. Ancient bronze was first made by adding arsenic to copper, but when early metal workers realized that arsenic would kill them and tin wouldn’t, they made the switch.

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