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hahnium
[ hah-nee-uhm ]
noun
, Chemistry, Physics.
- a proposed but never officially adopted name for element 105, which was instead named dubnium. : Ha
hahnium
/ ˈhɑːnɪəm /
noun
- 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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