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Isotopes of Neptunium (click to see decay chain):
225
Np
226
Np
227
Np
228
Np
229
Np
230
Np
231
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232
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233
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234
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237
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239
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240
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241
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242
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243
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244
Np
227
Np
Half-life
Boson, 93p 134n
510 ms
Spin 5/2 Parity -1
Show Decay Modes
Hide Ultimate Decay Products
Yield
Nuclide
100.0510015014%
207
Pb
7.05325×10
-17
%
205
Tl
Atomic Weight
227.034956789
Abundance
None
Mass Excess
32.56204MeV
Binding Energy
7.607351MeV
Magnetic Moment
N/A
Quadrupole Moment
N/A
Show Element Pictures.
Also show decay chains leading to this isotope.
Show only decays with probability >0.1%.
Show Decay Image Full Size.
Decay chain image generated by
Mathematica
's
GraphPlot
and
IsotopeData
functions from
Wolfram Research, Inc.
.