Element:U
From Metabolomics.JP
(Difference between revisions)
Revision as of 20:00, 27 February 2008
Atomic Number
92
Atomic Name
Uranium(ウラン)
Stable Isotopes
isotope | mass | isotopic abundance (%) |
---|---|---|
234U | 234.0409447 | [0.0054(5)] = (Natural radioactivity isotope) |
235U | 235.0439222 | [0.7204(6)] = (Natural radioactivity isotope) |
238U | 238.0507835 | [99.2742(10)] = (Natural radioactivity isotope) |
Radioisotopes
isotope | half life | disintegration form |
---|---|---|
232U | 68.9 years | alpha |
233U | 1.592 x 105 years | alpha, SF |
234U | 2.455 x 105 years | alpha, SF |
235U | 7.038 x 108 years | alpha, SF |
237U | 6.75 days | beta- |
238U | 4.468 x 109 years | alpha, SF |
239U | 23.45 minuites | beta- |