Chemistry
What symbol appears on the periodic table for the element with the atomic number 18?
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Which scientist was the first to discover that for DNA, "A=T and C=G"?
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A critical component of vitamin B-12, what element is the only metal found in vitamins?
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What compound found in tap water is good for the teeth?
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What metal is known for the chemical compounds it forms, such as emeralds and aquamarines?
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Which branch of chemistry deals with the determination of the chemical composition of substances?
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What transition metal's symbol comes from the Latin word "hydrargyrum" meaning "liquid silver"?
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