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| Q: Mendeleev created the first periodic table by arranging elements in order of... |
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| Q: How did the chemist change Mendeleev's periodic table in the early 1900's? |
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| Q: Which of the following sciientist inferred that an atom positive charge must be clustered in the nucleus? |
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Q: What natural event provides enough energy for the nuclear fusion reactions that create the heaviest elements? |
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| A: good conductors of heat & electricty;; ductile |
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| Q: In the periodic table, the most reactive metals are found... |
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