Chemistry
What alkali metal is highly radioactive and decays into either astatine, radium, or radon?
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Beryllium, magnesium, calcium, strontium, barium, and radium consist what group of elements?
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What is the name of a hydrocarbon with two carbons sp^2 hybridized?
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What kind of cell has a negative EMF and a positive Gibbs free energy?
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What is the symbol used on the periodic table for the element Protactinium?
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What is added to drinking water and to swimming pools to serve as a disinfectant?
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What radioactive metallic element, found in all uranium ores, has an atomic number of 89?
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