Se
Selenium-91
Protons (Z)
34
Neutrons (N)
57
Mass number
91
Half-Life
270.0 ms
Abundance
---
Mass
90.946 u
Mass Excess
-50,580.0 keV
Spin
(1/2+)
Discovered
1975
Binding energy per nucleon
8,335 keV
Neutron separation energy
2,851 keV
Proton separation energy
16,879 keV
Decay Mode
Decay chain
- SeSelenium-91Z 34 · N 57270.0 ms
- β⁻79%
- β⁻70.5%
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%