Kr
Krypton-90
Protons (Z)
36
Neutrons (N)
54
Mass number
90
Half-Life
32.32 s
Abundance
---
Mass
89.92 u
Mass Excess
-74,959.3 keV
Spin
0+
Discovered
1951
Binding energy per nucleon
8,591 keV
Neutron separation energy
6,495 keV
Proton separation energy
13,974 keV
Decay Mode
- β⁻→Rubidium-90100%
Decay chain
- KrKrypton-90Z 36 · N 5432.32 s
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%