Po
Polonium-200m
Protons (Z)
84
Neutrons (N)
116
Mass number
200
Half-Life
100.0 ns
Abundance
---
Mass
199.985 u
Mass Excess
-14,346.0 keV
Spin
11-
Discovered
1985
Binding energy per nucleon
7,814 keV
Neutron separation energy
7,178 keV
Proton separation energy
837 keV
Decay Mode
- γ→Polonium-200100%
Decay chain
- PoPolonium-200Z 84 · N 116100.0 ns
- γ100%
- β⁺88.9%
- β⁺100%
- EC100%
- β⁺100%