Bi

Bismuth-204n

Protons (Z)

83

Neutrons (N)

121

Mass number

204

Half-Life

1.07 ms

Abundance

---

Mass

203.981 u

Mass Excess

-17,813.0 keV

Spin

17+

Discovered

1974

Binding energy per nucleon

7,840 keV

Neutron separation energy

4,359 keV

Proton separation energy

316 keV

Decay Mode

γBismuth-204100%

Decay chain

Bismuth-204Z 83 · N 1211.07 ms
γ100%
β⁺100%