What does dubnium mean?

Definitions for dubnium

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Princeton's WordNet

  1. dubnium, Db, hahnium, element 105, atomic number 105noun

    a transuranic element


  1. dubniumnoun

    A transuranic chemical element (symbol Db) with atomic number 105.

    Etymology: Named after Dubna in Russia


  1. Dubnium

    Dubnium is a chemical element with the symbol Db and atomic number 105, named after the town of Dubna in Russia, where it was first produced. It is a synthetic element and radioactive; the most stable known isotope, dubnium-268, has a half-life of approximately 28 hours. In the periodic table of the elements, it is a d-block element and in the transactinide elements. It is a member of the 7th period and belongs to the group 5 element. Chemistry experiments have confirmed that dubnium behaves as the heavier homologue to tantalum in group 5. The chemical properties of dubnium are characterized only partly. They are similar with those of other group 5 elements. In the 1960s, microscopic amounts of dubnium were produced in laboratories in the former Soviet Union and in California. The priority of the discovery and therefore the naming of the element was disputed between Soviet and American scientists, and it was not until 1997 that International Union of Pure and Applied Chemistry established dubnium as the official name for the element.

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  1. Chaldean Numerology

    The numerical value of dubnium in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of dubnium in Pythagorean Numerology is: 3

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  1. dubnium

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    a state of acute pain
    • A. guts
    • B. suffering
    • C. apex
    • D. mediocrity

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