At
Astatine-223
Protons (Z)
85
Neutrons (N)
138
Mass number
223
Half-Life
50.0 s
Abundance
---
Mass
223.025 u
Mass Excess
23,428.0 keV
Spin
(3/2-)
Discovered
1989
Binding energy per nucleon
7,668 keV
Neutron separation energy
5,596 keV
Proton separation energy
6,351 keV
Decay Mode
Decay chain
- AtAstatine-223Z 85 · N 13850.0 s
- β⁻100%
- β⁻100%
- β⁻~100%
- α~100%
- α100%
- α~100%
- β⁻100%
- α~100%
- β⁻100%