- 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
| 单词 | hahnium |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 hahn•i•um (hä′nē əm),USA pronunciation n. [Chem.]
Collins Concise English Dictionary © HarperCollins Publishers:: hahnium /ˈhɑːnɪəm/ n
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