Chemistry
What is the name for naturally-occurring alloy of gold and silver with a small amount of other metals?
More Questions from Chemistry
What makes matter expand when it's heated and contract when it's cooled?
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What element is used in manufacturing cans, foils and kitchen utensils, pipes, and window frames?
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Phosphorous on the periodic table is noted by which symbol?
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What phenomenon explains why cyclohexatriene does not exist?
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What is the second most common metal on Earth, and the most widely-used metal?
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What is the symbol used on the periodic table for the element Chlorine?
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