Co

Cobalt-57

Protons (Z)

27

Neutrons (N)

30

Mass number

57

Half-Life

271.81 d

Abundance

---

Mass

56.936 u

Mass Excess

-59,345.7 keV

Spin

7/2-

Discovered

1941

Binding energy per nucleon

8,742 keV

Neutron separation energy

11,377 keV

Proton separation energy

6,028 keV

Decay Mode

ECIron-57100%

Decay chain

Cobalt-57Z 27 · N 30271.81 d
EC100%