Periodic Table/Plutonium/²²⁸Pu

← 227Pu229Pu →

²²⁸Pu

Plutonium-228

Radioactive· Half-life: 2.10 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

94

Neutrons (N)

134

Mass Number (A)

228

Atomic Mass

228.038763AMU

Spin / Parity

0+

Binding E/A

7.380keV

Natural Abundance

Trace / None

Half-life

2.10 s

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

α

100.0%

β⁺

Decay Chain

²²⁸PuPlutonium2.10 s

α100.0%

β⁺²²⁸Np

²²⁴UUranium396 μs

α100.0%

β⁺²²⁴Pa

²²⁰ThThorium10.2 μs

α100.0%

EC²²⁰Ac

²¹⁶RaRadium172 ns

α100.0%

EC²¹⁶Fr1.00%

²¹²RnRadon23.9 min

α100.0%

²⁰⁸PoPolonium2.90 y

α100.0%

β⁺²⁰⁸Bi0.00%

²⁰⁴PbLeadSTABLE

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