Periodic Table/Plutonium/²²²Pu

← 221Pu223Pu →

²²²Pu

Plutonium-222

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

94

Neutrons (N)

128

Mass Number (A)

222

Atomic Mass

222.037638AMU

Spin / Parity

0+

Binding E/A

7.366keV

Natural Abundance

Trace / None

Half-life

Unknown

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

α

SF

Decay Chain

²²²PuPlutonium?

α

²¹⁸UUranium354 μs

α100.0%

²¹⁴ThThorium87.0 ms

α100.0%

β⁺²¹⁴Ac

²¹⁰RaRadium4.00 s

α100.0%

β⁺²¹⁰Fr

²⁰⁶RnRadon5.67 min

α62.0%

β⁺²⁰⁶At38.0%

²⁰²PoPolonium44.6 min

β⁺98.1%

α¹⁹⁸Pb1.92%

²⁰²BiBismuth1.72 h

β⁺100.0%

α¹⁹⁸Tl1.00%

²⁰²PbLead52.5 ky

EC100.0%

²⁰²TlThallium12.3 d

EC100.0%

²⁰²HgMercurySTABLE

10-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