Chemistry
What alkali metal is highly radioactive and decays into either astatine, radium, or radon?
More Questions from Chemistry
What are vast amounts of oil that have become trapped in one place called?
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What is used to remove oxygen from cathode ray tubes and vacuum tubes?
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Nitrogen on the periodic table is noted by which symbol?
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Which of these is a heavy gas used in specialized electric lamps?
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Which of the following common laboratory chemicals does a person not normally consume?
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What is the symbol used on the periodic table for the element Americium?
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