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Chemistry
Who discovered calcium and barium?
Chemistry
Who discovered calcium and barium?
Antoine Balard
Smithson Tennant
Sir Humphry Davy
Charles Hatchett
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In an ethyne molecule, what is the hybridization of each of the carbons?
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What element was discovered as a component of the debris of the first hydrogen bomb explosion?
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What gas makes up most of the atmosphere of Mars?
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Which type of matter has definite volume but no definite shape?
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If nitrous oxide is added to an engine, what will the effect be?
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What polyethylene bowls made Earl Tupper a millionaire?
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What are vast amounts of oil that have become trapped in one place called?
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Who is generally credited with discovering the electron?
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