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单词 hahnium
释义

Definition of hahnium in English:

hahnium

noun ˈhɑːnɪəmˈhɑniəm
mass noun
  • The name formerly proposed by the American Chemical Society for the chemical element of atomic number 105 (dubnium), and by IUPAC for element 108 (hassium).

    Example sentencesExamples
    • The heaviest element whose discovery has been previously confirmed is element 105, hahnium.
    • The name ‘bohrium ‘was recommended for 107 (instead of GSI's choice of nielsbohrium), and ‘hahnium ‘for 108 (instead of GSI's choice of hassium).’
    • They proposed the name hahnium - after the late German scientist Otto Hahn - and symbol Ha.
    • Some scientists still use the earlier name of hahnium because it had been used for about 25 years.
    • Investigation of the chemical properties of the actinides was followed more recently by chemical studies of the first three transactinides - rutherfordium, hahnium, and seaborgium.

Origin

1970s: named in honour of Otto Hahn (see Hahn, Otto).

 
 

Definition of hahnium in US English:

hahnium

nounˈhänēəmˈhɑniəm
  • The name formerly proposed by the American Chemical Society for the chemical element of atomic number 105 (dubnium), and by IUPAC for element 108 (hassium).

    Example sentencesExamples
    • They proposed the name hahnium - after the late German scientist Otto Hahn - and symbol Ha.
    • The name ‘bohrium ‘was recommended for 107 (instead of GSI's choice of nielsbohrium), and ‘hahnium ‘for 108 (instead of GSI's choice of hassium).’
    • The heaviest element whose discovery has been previously confirmed is element 105, hahnium.
    • Investigation of the chemical properties of the actinides was followed more recently by chemical studies of the first three transactinides - rutherfordium, hahnium, and seaborgium.
    • Some scientists still use the earlier name of hahnium because it had been used for about 25 years.

Origin

1970s: named in honor of Otto Hahn (see Hahn, Otto).

 
 
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更新时间:2024/12/23 9:19:52