At
Astatine-227
Protons (Z)
85
Neutrons (N)
142
Mass number
227
Half-Life
5.0 s
Abundance
---
Mass
227.04 u
Mass Excess
37,430.0 keV
Spin
(1/2+)
Discovered
2010
Binding energy per nucleon
7,613 keV
Neutron separation energy
5,301 keV
Proton separation energy
7,409 keV
Decay Mode
Decay chain
- AtAstatine-227Z 85 · N 1425.0 s
- β⁻
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻98.62%
- α100%
- α~100%
- α100%
- α~100%
- β⁻100%
- α~100%
- β⁻100%