Po
Polonium-205
Protons (Z)
84
Neutrons (N)
121
Mass number
205
Half-Life
1.74 h
Abundance
---
Mass
204.981 u
Mass Excess
-17,521.0 keV
Spin
5/2-
Discovered
1951
Binding energy per nucleon
7,836 keV
Neutron separation energy
7,251 keV
Proton separation energy
4,164 keV
Decay Mode
Decay chain
- PoPolonium-205Z 84 · N 1211.74 h
- β⁺99.96%
- β⁺100%
- EC100%