Chemistry
What is the half-life of Potassium 40 as it decays to Argon?
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What will happen to a bowl of ice cream left in the sun?
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What solution contains the same ratio of chemical constituents after it is distilled?
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Compounds of what element are used in soaps, fertilizers, explosives, and matches?
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What is the symbol used on the periodic table for the element Scandium?
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Neptunium on the periodic table is noted by which symbol?
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What actinide was once used to power pacemaker batteries, but has since been replaced?
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A compound or molecule that is composed of carbon, oxygen and hydrogen best fits which science term?
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