Au

Gold-189

Protons (Z)

79

Neutrons (N)

110

Mass number

189

Half-Life

28.7 m

Abundance

---

Mass

188.964 u

Mass Excess

-33,582.0 keV

Spin

1/2+

Discovered

1955

Binding energy per nucleon

7,922 keV

Neutron separation energy

9,282 keV

Proton separation energy

3,050 keV

Decay Mode

Decay chain

Gold-189Z 79 · N 11028.7 m
β⁺~100%
β⁺100%
EC100%