Chemistry
What is the second most abundant element by mass (about 18.5%) in the human body?
More Questions from Chemistry
What metal is known for the chemical compounds it forms, such as emeralds and aquamarines?
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What is a chemical or physical agent that tends to cause cancers?
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If nitrous oxide is added to an engine, what will the effect be?
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Praseodymium on the periodic table is noted by which symbol?
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What is used in manufacturing matches, fertilizers and pesticides, and in vulcanization of rubber?
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What fibrous substance, used in insulation and other products, can cause cancer?
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