Statistics for Name that Alloy!

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Composition \| Use	Answer	% Correct
Mainly copper with a little bit of tin \| Used to protect against corrosion, also the name of a 2000~ year long period	Bronze	100%
Mainly tin with a little bit of copper \| Used for kitchenware	Pewter	100%
Mostly copper with 1/4~ zinc \| Used to protect against corrosion	Brass	67%
Mainly silver with a little bit of copper \| Used in jewelry; also the name of a currency	Sterling	67%
Mainly iron with a little bit of carbon and silicon \| Used for its low melting temperature and in kitchenware	Cast Iron	33%
Primarily copper, a little bit of nickel, and slight amounts of iron/manganese \| Used for boats	Cupronickel	0%
Primarily gold and silver, occasionally has a small amount of platinum/copper \| Used for jewelry and once used for currency	Electrum	0%
60% beryllium and 40% aluminum \| Invented by Lockheed; used in aircraft	Lockalloy	0%
Primarily nickel, 1/4~ copper, and slight amounts of iron and manganese \| Used for its corrosion and heat resistance	Monel	0%
Mainly cobalt, some chromium, and a little molybdenum \| Used in turbochargers for its heat resistance	Vitallium	0%