Po
Polonium-198m
Protons (Z)
84
Neutrons (N)
114
Mass number
198
Half-Life
200.0 ns
Abundance
---
Mass
197.986 u
Mass Excess
-12,907.0 keV
Spin
11-
Discovered
1990
Binding energy per nucleon
7,805 keV
Neutron separation energy
7,585 keV
Proton separation energy
509 keV
Decay Mode
- γ→Polonium-198100%
Decay chain
- PoPolonium-198Z 84 · N 114200.0 ns
- γ100%
- α57%
- β⁺~100%
- β⁺100%
- EC100%
- β⁺100%