212Pa
Protactinium-212
Radioactive· Half-life: 5.80 ms
Nuclear Propertiesbinding energy · spin-parity · abundance
Protons (Z)
91
Neutrons (N)
121
Mass Number (A)
212
Atomic Mass
212.023185AMU
Spin / Parity
3+
Binding E/A
7.414keV
Natural Abundance
Trace / None
Half-life
5.80 ms
Decay Chain
α100.0%
208AcActinium97.0 msβ⁺100.0%
196HgMercurySTABLE8-step decay chain → stable · Primary path shown · branching ratios indicated
Other Isotopes of Protactinium
← Back to ProtactiniumData: IAEA NDS · ENSDF