Cobalt-56 (Co-56)

Identity

Protons

27

Neutrons

29

Mass number

56

Mass

55.94 ± 0.51 u

Mass excess

-56.041 MeV

Spin

4+*

Stability

Half-life: 77.2 days

Natural occurrence

Not found in nature

Decays to

• positron emission → Fe-56

Produced by

• Ni-56