Bi

Bismuth-199m

Protons (Z)

83

Neutrons (N)

116

Mass number

199

Half-Life

24.7 m

Abundance

---

Mass

198.978 u

Mass Excess

-20,131.0 keV

Spin

(1/2+)

Discovered

1950

Binding energy per nucleon

7,846 keV

Neutron separation energy

8,828 keV

Proton separation energy

1,353 keV

Decay Mode

Decay chain

Bismuth-199Z 83 · N 11624.7 m
γ<2%
β⁺100%
β⁺100%
β⁺100%