239Pu
Plutonium-239
Radioactive· Half-life: 24.1 ky
Nuclear Propertiesbinding energy · spin-parity · abundance
Protons (Z)
94
Neutrons (N)
145
Mass Number (A)
239
Atomic Mass
239.052162AMU
Spin / Parity
1/2+
Binding E/A
7.359keV
Natural Abundance
Trace / None
Half-life
24.1 ky
Decay Chain
α100.0%
235UUranium704 Myβ⁻100.0%
231PaProtactinium32.6 kyα100.0%
223RaRadium11.4 dα100.0%
215PoPolonium1.78 msβ⁻100.0%
211BiBismuth2.14 minβ⁻100.0%
207PbLeadSTABLE13-step decay chain → stable · Primary path shown · branching ratios indicated
Other Isotopes of Plutonium
← Back to PlutoniumData: IAEA NDS · ENSDF