Chemistry

What radioactive metallic element, found in all uranium ores, has an atomic number of 89?

More Questions from Chemistry
What kind of crystalline solid is a grain of sand?
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Reacting an organic acid with a primary alcohol yields which of the following products?
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Which of these compounds is insoluble in water?
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Which three gas laws constitute the combined gas law (PV/T=pv/t)?
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Sodium on the periodic table is noted by which symbol?
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Which of the following molecules does not exhibit delocalized pi bonding?
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Which scientist was the first to discover that for DNA, "A=T and C=G"?
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Which of the following metals is not known to start fires in the presence of water?
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