Chemistry
What is the symbol used on the periodic table for the element Francium?
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What element is used in manufacturing cans, foils and kitchen utensils, pipes, and window frames?
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What symbol appears on the periodic table for the element with the atomic number 92?
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What is used in manufacturing matches, fertilizers and pesticides, and in vulcanization of rubber?
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What makes matter expand when it's heated and contract when it's cooled?
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Beryllium, magnesium, calcium, strontium, barium, and radium consist what group of elements?
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What is a vital constituent of plant and animal life, and is the key component of hemoglobin?
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What happens to water when it gets close to freezing?
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