223Pa
Protactinium-223
Radioactive· Half-life: 5.30 ms
Nuclear Propertiesbinding energy · spin-parity · abundance
Protons (Z)
91
Neutrons (N)
132
Mass Number (A)
223
Atomic Mass
223.023980AMU
Spin / Parity
9/2-
Binding E/A
7.443keV
Natural Abundance
Trace / None
Half-life
5.30 ms
Decay Chain
α100.0%
211AtAstatine7.21 hα100.0%
207PbLeadSTABLE6-step decay chain → stable · Primary path shown · branching ratios indicated
Other Isotopes of Protactinium
← Back to ProtactiniumData: IAEA NDS · ENSDF