Bi

Bismuth-199

Protons (Z)

83

Neutrons (N)

116

Mass number

199

Half-Life

27.0 m

Abundance

---

Mass

198.978 u

Mass Excess

-20,798.0 keV

Spin

9/2-

Discovered

1950

Binding energy per nucleon

7,850 keV

Neutron separation energy

9,495 keV

Proton separation energy

2,020 keV

Decay Mode

β⁺Lead-199100%

Decay chain

Bismuth-199Z 83 · N 11627.0 m
β⁺100%
β⁺100%
β⁺100%