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Nuclear properties
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Basic properties
Np
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Np225
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Np226
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Np227
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Np228
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Np229
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Np230
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Np231
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Np232
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Np233
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Np234
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Np235
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Np236
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Np236m
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Np237
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Np238
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Np239
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Np240
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Np240m
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Np241
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Np242
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Np242m
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Np243
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Np244