Bi

Bismuth-205n

Protons (Z)

83

Neutrons (N)

122

Mass number

205

Half-Life

100.0 ns

Abundance

---

Mass

204.98 u

Mass Excess

-19,001.0 keV

Spin

21/2+

Discovered

1978

Binding energy per nucleon

7,847 keV

Neutron separation energy

6,426 keV

Proton separation energy

1,180 keV

Decay Mode

γBismuth-205100%

Decay chain

Bismuth-205Z 83 · N 122100.0 ns
γ100%
β⁺100%
EC100%