Sr
Strontium-77
Protons (Z)
38
Neutrons (N)
39
Mass number
77
Half-Life
9.0 s
Abundance
---
Mass
76.938 u
Mass Excess
-57,803.0 keV
Spin
5/2+
Discovered
1976
Binding energy per nucleon
8,436 keV
Neutron separation energy
11,624 keV
Proton separation energy
4,613 keV
Decay Mode
Decay chain
- SrStrontium-77Z 38 · N 399.0 s
- β⁺99.92%
- β⁺100%
- β⁺100%
- β⁺100%