Chemistry
What symbol appears on the periodic table for Beryllium which has the atomic number 4?
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What is the second most abundant element by mass (about 18.5%) in the human body?
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Felix Hoffmann, not Bayer, first patented what remedy?
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Which element gained notoriety from poisoning the waters around Japan?
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What is the spontaneous decay of atomic nuclei known as?
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The Diels-Alder reaction is an example of which class of reactions?
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What actinide was once used to power pacemaker batteries, but has since been replaced?
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What compounds that are soluble in water are classed as bases?
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What is an atom that has more electrons than normal referred to as?
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