Bi

Bismuth-210m

Protons (Z)

83

Neutrons (N)

127

Mass number

210

Half-Life

3.04 My

Abundance

---

Mass

209.984 u

Mass Excess

-14,520.6 keV

Spin

9-

Discovered

1953

Binding energy per nucleon

7,831 keV

Neutron separation energy

4,333 keV

Proton separation energy

4,195 keV

Decay Mode

αThallium-206100%

Decay chain

Bismuth-210Z 83 · N 1273.04 My
α100%
β⁻100%