Chemistry
What radioactive metallic element, found in all uranium ores, has an atomic number of 89?
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Which is a chemical often injected into lips for plastic surgery?
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What symbol appears on the periodic table for Thorium which has the atomic number 90?
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Compounds of what element are used in soaps, fertilizers, explosives, and matches?
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Which of the following common laboratory chemicals does a person not normally consume?
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What is the symbol used on the periodic table for the element Francium?
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