Ni

Nickel-71m

Protons (Z)

28

Neutrons (N)

43

Mass number

71

Half-Life

2.3 s

Abundance

---

Mass

70.941 u

Mass Excess

-55,406.0 keV

Spin

(1/2-)

Discovered

2009

Binding energy per nucleon

8,543 keV

Neutron separation energy

4,263 keV

Proton separation energy

16,170 keV

Decay Mode

β⁻Copper-71100%

Decay chain

Nickel-71Z 28 · N 432.3 s
β⁻100%
β⁻100%
β⁻100%