Bi

Bismuth-208

Protons (Z)

83

Neutrons (N)

125

Mass number

208

Half-Life

368.0 ky

Abundance

---

Mass

207.98 u

Mass Excess

-18,870.2 keV

Spin

5+

Discovered

1953

Binding energy per nucleon

7,850 keV

Neutron separation energy

6,887 keV

Proton separation energy

3,707 keV

Decay Mode

β⁺Lead-208100%

Decay chain

Bismuth-208Z 83 · N 125368.0 ky
β⁺100%