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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
Np
232
Np
233
Np
234
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235
Np
236
Np
237
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238
Np
239
Np
240
Np
241
Np
242
Np
243
Np
244
Np
243
Np
Half-life
Boson, 93p 150n
1.85 m
Spin 5/2 Parity -1
Show Decay Modes
Hide Ultimate Decay Products
Yield
Nuclide
100.276313667%
207
Pb
8.900000000048×10
-8
%
205
Tl
8.00001071204×10
-10
%
206
Pb
9.900000000049×10
-13
%
208
Pb
Atomic Weight
243.064279
Abundance
None
Mass Excess
59.875MeV
Binding Energy
7.525MeV
Magnetic Moment
N/A
Quadrupole Moment
N/A
Show Isotope Symbols.
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Show only decays with probability >0.1%.
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Click any isotope in diagram to see its data.
Decay chain image generated by
Mathematica
's
GraphPlot
and
IsotopeData
functions from
Wolfram Research, Inc.
.