Nickel-59 (Ni-59)

Identity

Protons

28

Neutrons

31

Mass number

59

Mass

58.93 ± 0.38 u

Mass excess

-61.157 MeV

Spin

3/2-

Stability

Half-life: 8.10 × 10⁴ years

Natural occurrence

Not found in nature

Decays to

• positron emission → Co-59