Chemistry
What symbol appears on the periodic table for Magnesium which has the atomic number 12?
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What metal is known for the chemical compounds it forms, such as emeralds and aquamarines?
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What is the second most common metal on Earth, and the most widely-used metal?
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What isotope of carbon can be used to figure out how old some objects are or when something died?
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In a lead storage battery, what strong acid is consumed in a reaction which produces the voltage?
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What is the chemical element with symbol "N" and atomic number 14?
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