Chemistry
What isotope of carbon can be used to figure out how old some objects are or when something died?
More Questions from Chemistry
High levels of what chemical may be in trailers provided for people displaced by Hurricane Katrina?
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Sodium on the periodic table is noted by which symbol?
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How many electrons are in the third ring of the atom Chlorine?
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What is deterioration of a metal by chemical or electrochemical reaction with its environment?
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What major chemical other than chlorine is used to purify water of microorganisms?
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