Chemistry
What is the half-life of Potassium 40 as it decays to Argon?
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What process changes a rock's chemical composition to break it down?
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What is the symbol used on the periodic table for the element Terbium?
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What are organic compounds in which some of the bonding elements are delocalized?
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What fibrous substance, used in insulation and other products, can cause cancer?
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What is added to drinking water and to swimming pools to serve as a disinfectant?
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Compounds of what element are used in soaps, fertilizers, explosives, and matches?
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