57Co
Cobalt-57
Radioactive· Half-life: 272 d
Nuclear Propertiesbinding energy · spin-parity · abundance
Protons (Z)
27
Neutrons (N)
30
Mass Number (A)
57
Atomic Mass
56.936290AMU
Spin / Parity
7/2-
Binding E/A
8.500keV
Natural Abundance
Trace / None
Half-life
272 d
Decay Chain
EC100.0%
57FeIronSTABLE2-step decay chain → stable · Primary path shown
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