At
Astatine-195
Protons (Z)
85
Neutrons (N)
110
Mass number
195
Half-Life
290.0 ms
Abundance
---
Mass
194.996 u
Mass Excess
-3,470.0 keV
Spin
1/2+
Discovered
1999
Binding energy per nucleon
7,748 keV
Neutron separation energy
10,825 keV
Proton separation energy
-246 keV
Decay Mode
Decay chain
- AtAstatine-195Z 85 · N 110290.0 ms
- α100%
- α51%
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%