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hahnium

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
hah·ni·um  (hän-m)
n. Symbol Ha
The name formerly used for dubnium. Also called unnilpentium.
[After Otto Hahn.]
hahnium
Noun
Chem a transuranic element artificially produced from californium Symbol: Ha
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.hahnium - a transuranic element
atomic number 105, Db, dubnium, element 105
chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
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However, after previous experiments on elements 104 and 105--rutherfordium and hahnium (SN: 9/8/90, p.
Element 106 takes a seat at the table by Wu, Corinna / Science News
Atomic Voting number Name Symbol in favor(a) 101 Mendelevium Md 20 102 Nobelium No 20 103 Lawrencium Lr 20 104 Dubnium Db 19 105 Joliotium Jl 18 106 Rutherfordium Rf 18 107 Bohrium Bh 20 108 Hahnium Hn 19 109 Meitnerium Mt 20
Elemental upset by Science News
The chemical elements lawrencium, rutherfordium and hahnium hardly contribute to the stuff of everyday life.
A chemical glance at short-lived elements by Peterson, Ivars / Science News
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