Po
Polonium-215
Protons (Z)
84
Neutrons (N)
131
Mass number
215
Half-Life
1.78 ms
Abundance
---
Mass
214.999 u
Mass Excess
-541.8 keV
Spin
9/2+
Discovered
1911
Binding energy per nucleon
7,768 keV
Neutron separation energy
4,143 keV
Proton separation energy
6,630 keV
Decay Mode
Decay chain
- PoPolonium-215Z 84 · N 1311.78 ms
- α~100%
- β⁻100%
- α~100%
- β⁻100%