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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
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237
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238
Np
239
Np
240
Np
241
Np
242
Np
243
Np
244
Np
232
Np
Half-life
Fermion, 93p 139n
14.7 m
Spin 4 Parity 1
Hide Decay Modes
Probability
Mode
Decay Energy
Daughter
100%
β
+
1.728MeV
232
U
0.003%
α
6.012MeV
228
Pa
Show Ultimate Decay Products
Atomic Weight
232.040108
Abundance
None
Mass Excess
37.361MeV
Binding Energy
7.597MeV
Magnetic Moment
N/A
Quadrupole Moment
N/A
Show Element Pictures.
Show only decay products of this isotope.
Show Decay Image Smaller.
Click any isotope in diagram to see its data.
Decay chain image generated by
Mathematica
's
GraphPlot
and
IsotopeData
functions from
Wolfram Research, Inc.
.