At
Astatine-213m
Protons (Z)
85
Neutrons (N)
128
Mass number
213
Half-Life
110.0 ns
Abundance
---
Mass
212.994 u
Mass Excess
-5,222.0 keV
Spin
(25/2-)
Discovered
1980
Binding energy per nucleon
7,784 keV
Neutron separation energy
4,665 keV
Proton separation energy
2,142 keV
Decay Mode
- γ→Astatine-213100%
Decay chain
- AtAstatine-213Z 85 · N 128110.0 ns
- γ100%
- α100%
- α100%