Bi

Bismuth-203

Protons (Z)

83

Neutrons (N)

120

Mass number

203

Half-Life

11.76 h

Abundance

---

Mass

202.977 u

Mass Excess

-21,525.0 keV

Spin

9/2-

Discovered

1950

Binding energy per nucleon

7,857 keV

Neutron separation energy

8,845 keV

Proton separation energy

2,873 keV

Decay Mode

β⁺Lead-203100%

Decay chain

Bismuth-203Z 83 · N 12011.76 h
β⁺100%
EC100%