At
Astatine-228
Protons (Z)
85
Neutrons (N)
143
Mass number
228
Half-Life
1.0 m
Abundance
---
Mass
228.045 u
Mass Excess
41,880.0 keV
Spin
(3+)
Discovered
2010
Binding energy per nucleon
7,596 keV
Neutron separation energy
3,621 keV
Proton separation energy
7,689 keV
Decay Mode
Decay chain
- AtAstatine-228Z 85 · N 1431.0 m
- β⁻
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%
- α~100%
- α~100%
- α100%
- α100%
- β⁻100%
- β⁻64.046%
- α100%