Periodic Table/Plutonium/²³¹Pu

← 230Pu232Pu →

²³¹Pu

Plutonium-231

Radioactive· Half-life: 8.60 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

94

Neutrons (N)

137

Mass Number (A)

231

Atomic Mass

231.041126AMU

Spin / Parity

3/2+

Binding E/A

7.379keV

Natural Abundance

Trace / None

Half-life

8.60 min

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

β⁺

α

13.0%

Decay Chain

²³¹PuPlutonium8.60 min

α13.0%

β⁺²³¹Np

²²⁷UUranium1.10 min

α100.0%

β⁺²²⁷Pa

²²³ThThorium600 ms

α100.0%

²¹⁹RaRadium9.00 ms

α100.0%

²¹⁵RnRadon2.30 μs

α100.0%

²¹¹PoPolonium516 ms

α100.0%

²⁰⁷PbLeadSTABLE

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

Other Isotopes of Plutonium

221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247

← Back to PlutoniumData: IAEA NDS · ENSDF