At
Astatine-207
Protons (Z)
85
Neutrons (N)
122
Mass number
207
Half-Life
1.81 h
Abundance
---
Mass
206.986 u
Mass Excess
-13,227.0 keV
Spin
9/2-
Discovered
1951
Binding energy per nucleon
7,814 keV
Neutron separation energy
8,859 keV
Proton separation energy
2,327 keV
Decay Mode
Decay chain
- AtAstatine-207Z 85 · N 1221.81 h
- β⁺90%
- β⁺~100%
- β⁺100%