Chemistry
Nitrogen on the periodic table is noted by which symbol?
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Which element is a poisonous gas that combines with sodium to form table salt?
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What symbol appears on the periodic table for the element with the atomic number 62?
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What is the unit defined as the energy needed to raise one gram of water by 1 degree Celsius?
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From all salt elements, which group is most soluble?
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How many degrees of unsaturation are in the compound C2H4?
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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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What is used to remove oxygen from cathode ray tubes and vacuum tubes?
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