Bi

Bismuth-205

Protons (Z)

83

Neutrons (N)

122

Mass number

205

Half-Life

14.91 d

Abundance

---

Mass

204.977 u

Mass Excess

-21,066.0 keV

Spin

9/2-

Discovered

1951

Binding energy per nucleon

7,857 keV

Neutron separation energy

8,491 keV

Proton separation energy

3,245 keV

Decay Mode

β⁺Lead-205100%

Decay chain

Bismuth-205Z 83 · N 12214.91 d
β⁺100%
EC100%