Bi
Bismuth-222
Protons (Z)
83
Neutrons (N)
139
Mass number
222
Half-Life
3.0 s
Abundance
---
Mass
222.031 u
Mass Excess
28,950.0 keV
Spin
(1-)
Discovered
2009
Binding energy per nucleon
7,648 keV
Neutron separation energy
3,321 keV
Proton separation energy
---
Decay Mode
Decay chain
- BiBismuth-222Z 83 · N 1393.0 s
- β⁻
- β⁻100%
- β⁻100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%