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unnilhexium |
2 definitions found From WordNet r 1.6 [wn]: unnilhexium n : a transuranic element [syn: {Unh}, {element 106}, {atomic number 106}] From Elements database 20001107 [elements]: unnilhexium Symbol: Atomic number: 106 Atomic weight: (263) Half-life of 0.9 +/- 0.2 s. Discovered by the Joint Institute for Nuclear Research at Dubna (U.S.S.R.) in June of 1974. Its existence was confirmed by the Lawrence Berkeley Laboratory and Livermore National Laboratory in September of 1974.
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