At
Astatine-195m
Protons (Z)
85
Neutrons (N)
110
Mass number
195
Half-Life
143.0 ms
Abundance
---
Mass
194.996 u
Mass Excess
-3,441.0 keV
Spin
7/2-
Discovered
1995
Binding energy per nucleon
7,748 keV
Neutron separation energy
10,796 keV
Proton separation energy
-275 keV
Decay Mode
Decay chain
- AtAstatine-195Z 85 · N 110143.0 ms
- α88%
- α51%
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%