90Kr
Krypton-90
Radioactive· Half-life: 32.3 s
Nuclear Propertiesbinding energy · spin-parity · abundance
Protons (Z)
36
Neutrons (N)
54
Mass Number (A)
90
Atomic Mass
89.919528AMU
Spin / Parity
0+
Binding E/A
8.387keV
Natural Abundance
Trace / None
Half-life
32.3 s
Decay Chain
β⁻100.0%
90RbRubidium2.63 minβ⁻100.0%
90SrStrontium28.9 yβ⁻100.0%
90YYttrium2.67 dβ⁻100.0%
90ZrZirconiumSTABLE5-step decay chain → stable · Primary path shown
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