At
Astatine-193m
Protons (Z)
85
Neutrons (N)
108
Mass number
193
Half-Life
21.0 ms
Abundance
---
Mass
193.0 u
Mass Excess
-59.0 keV
Spin
7/2-
Discovered
1995
Binding energy per nucleon
7,727 keV
Neutron separation energy
11,056 keV
Proton separation energy
-718 keV
Decay Mode
- α→Bismuth-189100%
Decay chain
- AtAstatine-193Z 85 · N 10821.0 ms
- α100%
- α100%
- β⁺100%
- β⁺94%
- β⁺99.74%
- β⁺~100%
- β⁺100%
- EC100%