Se
Selenium-87
Protons (Z)
34
Neutrons (N)
53
Mass number
87
Half-Life
5.5 s
Abundance
---
Mass
86.929 u
Mass Excess
-66,426.1 keV
Spin
(3/2+)
Discovered
1968
Binding energy per nucleon
8,529 keV
Neutron separation energy
3,994 keV
Proton separation energy
14,753 keV
Decay Mode
Decay chain
- SeSelenium-87Z 34 · N 535.5 s
- β⁻99.4%
- β⁻97.4%
- β⁻100%
- β⁻100%