At
Astatine-212
Protons (Z)
85
Neutrons (N)
127
Mass number
212
Half-Life
314.0 ms
Abundance
---
Mass
211.991 u
Mass Excess
-8,628.1 keV
Spin
(1-)
Discovered
1954
Binding energy per nucleon
7,798 keV
Neutron separation energy
5,052 keV
Proton separation energy
3,485 keV
Decay Mode
Decay chain
- AtAstatine-212Z 85 · N 127314.0 ms
- α100%
- β⁺100%