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hahnium

[ hah-nee-uhm ]

noun

, Chemistry, Physics.
  1. a proposed but never officially adopted name for element 105, which was instead named dubnium. : Ha


hahnium

/ ˈhɑːnɪəm /

noun

  1. a name once advanced by the American Chemical Society for a transuranic element, artificially produced from californium, atomic no: 105; half-life of most stable isotope, 262Ha: 40 seconds Now called dubnium


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Word History and Origins

Origin of hahnium1

First recorded in 1965–70; named after German chemist Otto Hahn ( def ); -ium ( def )

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Word History and Origins

Origin of hahnium1

C20: named after Otto Hahn

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