Bi

Bismuth-191m

Protons (Z)

83

Neutrons (N)

108

Mass number

191

Half-Life

125.0 ms

Abundance

---

Mass

190.986 u

Mass Excess

-12,997.0 keV

Spin

1/2+

Discovered

1981

Binding energy per nucleon

7,799 keV

Neutron separation energy

10,472 keV

Proton separation energy

-131 keV

Decay Mode

Decay chain

Bismuth-191Z 83 · N 108125.0 ms
α68%
β⁺100%
β⁺100%
β⁺100%
β⁺100%
β⁺100%