At
Astatine-194m
Protons (Z)
85
Neutrons (N)
109
Mass number
194
Half-Life
323.0 ms
Abundance
---
Mass
193.999 u
Mass Excess
-740.0 keV
Spin
10-
Discovered
1984
Binding energy per nucleon
7,732 keV
Neutron separation energy
8,744 keV
Proton separation energy
-296 keV
Decay Mode
- β⁺SF0.032%
Decay chain
- AtAstatine-194Z 85 · N 109323.0 ms
- α100%
- α77%
- β⁺
- β⁺~100%
- β⁺~100%
- β⁺~100%
- β⁺100%
- α100%