Periodic Table/Neptunium/²³²Np

← 231Np233Np →

²³²Np

Neptunium-232

Radioactive· Half-life: 14.7 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

93

Neutrons (N)

139

Mass Number (A)

232

Atomic Mass

232.040107AMU

Spin / Parity

5-

Binding E/A

7.392keV

Natural Abundance

Trace / None

Half-life

14.7 min

Decay Modesoverview · half-life · α · β⁻ · β⁺

β⁺

100.0%

α

Decay Chain

²³²NpNeptunium14.7 min

β⁺100.0%

α²²⁸Pa

²³²UUranium68.9 y

α100.0%

24Ne²⁰⁸Pb8.90%

28Mg²⁰⁴Hg5.00%

²²⁸ThThorium1.91 y

α100.0%

20O²⁰⁸Pb1.13%

²²⁴RaRadium3.63 d

α100.0%

¹⁴C²¹⁰Pb4.00%

²²⁰RnRadon55.6 s

α100.0%

2β⁻²²⁰Ra

²¹⁶PoPolonium144 ms

α100.0%

2β⁻²¹⁶Rn

²¹²PbLead10.6 h

β⁻100.0%

²¹²BiBismuth1.01 h

β⁻64.1%

α²⁰⁸Tl35.9%

β⁻α²⁰⁸Pb0.01%

²¹²PoPolonium294 ns

α100.0%

²⁰⁸PbLeadSTABLE

10-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Neptunium

219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245

← Back to NeptuniumData: IAEA NDS · ENSDF