Bi

Bismuth-211

Protons (Z)

83

Neutrons (N)

128

Mass number

211

Half-Life

2.14 m

Abundance

---

Mass

210.987 u

Mass Excess

-11,859.0 keV

Spin

9/2-

Discovered

1905

Binding energy per nucleon

7,820 keV

Neutron separation energy

5,138 keV

Proton separation energy

4,420 keV

Decay Mode

Decay chain

Bismuth-211Z 83 · N 1282.14 m
α~100%
β⁻100%