Bi

Bismuth-201m

Protons (Z)

83

Neutrons (N)

118

Mass number

201

Half-Life

57.5 m

Abundance

---

Mass

200.978 u

Mass Excess

-20,583.0 keV

Spin

1/2+

Discovered

1950

Binding energy per nucleon

7,851 keV

Neutron separation energy

8,283 keV

Proton separation energy

1,621 keV

Decay Mode

Decay chain

Bismuth-201Z 83 · N 11857.5 m
β⁺100%
β⁺100%
EC100%