Bi

Bismuth-205m

Protons (Z)

83

Neutrons (N)

122

Mass number

205

Half-Life

7.9 µs

Abundance

---

Mass

204.979 u

Mass Excess

-19,569.0 keV

Spin

1/2+

Discovered

1972

Binding energy per nucleon

7,850 keV

Neutron separation energy

6,994 keV

Proton separation energy

1,748 keV

Decay Mode

γBismuth-205100%

Decay chain

Bismuth-205Z 83 · N 1227.9 µs
γ100%
β⁺100%
EC100%