At
Astatine-201n
Protons (Z)
85
Neutrons (N)
116
Mass number
201
Half-Life
3.39 µs
Abundance
---
Mass
200.991 u
Mass Excess
-8,469.0 keV
Spin
29/2+
Discovered
2015
Binding energy per nucleon
7,783 keV
Neutron separation energy
7,552 keV
Proton separation energy
-1,184 keV
Decay Mode
- γ→Astatine-201100%
Decay chain
- AtAstatine-201Z 85 · N 1163.39 µs
- γ100%
- α71%
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%