Bi
Bismuth-204
Protons (Z)
83
Neutrons (N)
121
Mass number
204
Half-Life
11.22 h
Abundance
---
Mass
203.978 u
Mass Excess
-20,646.0 keV
Spin
6+
Discovered
1947
Binding energy per nucleon
7,854 keV
Neutron separation energy
7,192 keV
Proton separation energy
3,149 keV
Decay Mode
- β⁺→Lead-204100%
Decay chain
- BiBismuth-204Z 83 · N 12111.22 h
- β⁺100%