As
Arsenic-90m
Protons (Z)
33
Neutrons (N)
57
Mass number
90
Half-Life
220.0 ns
Abundance
---
Mass
89.956 u
Mass Excess
-40,870.0 keV
Spin
---
Discovered
2012
Binding energy per nucleon
8,239 keV
Neutron separation energy
2,411 keV
Proton separation energy
15,119 keV
Decay Mode
- γ→Arsenic-90100%
Decay chain
- AsArsenic-90Z 33 · N 57220.0 ns
- γ100%
- β⁻
- β⁻100%
- β⁻74.7%
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%