At
Astatine-202n
Protons (Z)
85
Neutrons (N)
117
Mass number
202
Half-Life
460.0 ms
Abundance
---
Mass
201.989 u
Mass Excess
-10,010.0 keV
Spin
10-
Discovered
1992
Binding energy per nucleon
7,792 keV
Neutron separation energy
7,292 keV
Proton separation energy
778 keV
Decay Mode
Decay chain
- AtAstatine-202Z 85 · N 117460.0 ms
- γ99.904%
- β⁺88%
- β⁺98.08%
- β⁺~100%
- EC100%
- EC100%