To what valence did Mendeleev correct uranium in his periodic system?
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What main-belt asteroid is named after Dmitri Mendeleev?
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In what year did Dmitri Mendeleev become a Doctor of Science?
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1865
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What leadership job did Mendeleev's father Ivan hold at Russian gymnasiums?
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school principal
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In 1902, Mendeleev placed helium and argon in which group?
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Group 0
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Who isolated scandium oxide in late 1879, confirming eka-boron?
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What provisional name in Mendeleev's predictions corresponds to technetium?
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eka-manganese