Cu

Copper-56

Protons (Z)

29

Neutrons (N)

27

Mass number

56

Half-Life

80.8 ms

Abundance

---

Mass

55.959 u

Mass Excess

-38,630.0 keV

Spin

(4+)

Discovered

1987

Binding energy per nucleon

8,356 keV

Neutron separation energy

15,061 keV

Proton separation energy

583 keV

Decay Mode

Decay chain

Copper-56Z 29 · N 2780.8 ms
β⁺99.6%
β⁺100%
β⁺100%