Chemistry
What is the second most abundant element by mass (about 18.5%) in the human body?
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What transition metal's symbol comes from the Latin word "hydrargyrum" meaning "liquid silver"?
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What is the symbol used on the periodic table for the element Promethium?
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What is best described as the separation of a material into elements or parts?
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Which of these is used to determine the strength of a chemical bond?
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Which element has the highest boiling point at 5933.2 Kelvin?
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