51Թ

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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

/ ˈɑːɪə /

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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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51Թ History and Origins

Origin of hahnium1

First recorded in 1965–70; named after German chemist Otto Hahn ( def ); -ium ( def )
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51Թ History and Origins

Origin of hahnium1

C20: named after Otto Hahn
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Example Sentences

Examples have not been reviewed.

Ghiorso, Nuclear Chemist James Harris, Finnish Physicists Matti Nurmia and Kari Eskda, the same team that discovered element 104, suggested that the new element be named hahnium, in honor of Otto Hahn, the German chemist who in 1938 discovered nuclear fission.

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