Bi

Bismuth-189

Protons (Z)

83

Neutrons (N)

106

Mass number

189

Half-Life

688.0 ms

Abundance

---

Mass

188.989 u

Mass Excess

-10,065.0 keV

Spin

9/2-

Discovered

1973

Binding energy per nucleon

7,781 keV

Neutron separation energy

10,941 keV

Proton separation energy

-457 keV

Decay Mode

Decay chain

Bismuth-189Z 83 · N 106688.0 ms
α100%
β⁺100%
β⁺94%
β⁺99.74%
β⁺~100%
β⁺100%
EC100%