Chemistry
What radioactive metallic element, found in all uranium ores, has an atomic number of 89?
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Heavy water contains what isotopic form of hydrogen?
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What symbol appears on the periodic table for Magnesium which has the atomic number 12?
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Which of the following is the list of hydrogen halides of group 7A from highest boiling point to lowest?
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Compounds of what element are used in soaps, fertilizers, explosives, and matches?
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What element is the most ductile of the pure metals, but is less malleable than gold?
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What polyethylene bowls made Earl Tupper a millionaire?
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