93-Neptunium
Nuclide weight or level energy spin & parity abundance half-life sig(J32) sig(J33) sig(J40)
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Np-225 225.033910301 +- 0.000076889 9/2- unknown
Np-226 226.035145 +- 0.000095 35MS 10
Np-227 227.034955853 +- 0.000077840 0.51S 6
Np-228 228.036065589 +- 0.000054294 61.4S 17
Np-229 229.036262863 +- 0.000093237 (5/2+) 4.0M 2
Np-230 230.037826650 +- 0.000055062 4.6M 3
Np-231 231.038244688 +- 0.000054271 (5/2) 48.8M 2
Np-232 232.040102 +- 0.000107 (4+) 14.7M 3
Np-233 233.040740830 +- 0.000054694 (5/2+) 36.2M 1
Np-234 234.042896565 +- 0.000009147 (0+) 4.4D 1 XXX
Np-235 235.044064523 +- 0.000002136 5/2+ 396.2D 12 XXX XXX
Np-236 236.046563283 +- 0.000054145 (6-) 154E+3Y 6 XXX XXX XXX
Np-236 1 22.5H 4
Np-237 237.048174914 +- 0.000001971 5/2+ 2.144E+6Y 7 XXX XXX XXX
Np-238 238.050947876 +- 0.000001983 2+ 2.117D 2 XXX XXX XXX
Np-239 239.052940487 +- 0.000002234 5/2+ 2.356D 3 XXX XXX XXX
Np-240 240.056163645 +- 0.000016253 (5+) 61.9M 2
Np-240 (1+) 7.22M 2
Np-241 241.058253894 +- 0.000075936 5/2+ 13.9M 2
Np-242 242.061642566 +- 0.000214718 (1+) 2.2M 2
Np-242 (6+) 5.5M 2
Np-243 243.064280 +- 0.000034 (5/2-) 1.85M 15
Np-244 244.067850 +- 0.000320 (7-) 2.29M 16
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