Se
Selenium-90
Protons (Z)
34
Neutrons (N)
56
Mass number
90
Half-Life
210.0 ms
Abundance
---
Mass
89.94 u
Mass Excess
-55,800.0 keV
Spin
0+
Discovered
1994
Binding energy per nucleon
8,396 keV
Neutron separation energy
4,879 keV
Proton separation energy
16,559 keV
Decay Mode
Decay chain
- SeSelenium-90Z 34 · N 56210.0 ms
- β⁻100%
- β⁻74.7%
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%