Bi

Bismuth-201

Protons (Z)

83

Neutrons (N)

118

Mass number

201

Half-Life

1.72 h

Abundance

---

Mass

200.977 u

Mass Excess

-21,429.0 keV

Spin

9/2-

Discovered

1950

Binding energy per nucleon

7,855 keV

Neutron separation energy

9,129 keV

Proton separation energy

2,467 keV

Decay Mode

β⁺Lead-201100%

Decay chain

Bismuth-201Z 83 · N 1181.72 h
β⁺100%
β⁺100%
EC100%