Pb

Lead-204n

Protons (Z)

82

Neutrons (N)

122

Mass number

204

Half-Life

1.12 h

Abundance

---

Mass

203.975 u

Mass Excess

-22,923.9 keV

Spin

9-

Discovered

1956

Binding energy per nucleon

7,869 keV

Neutron separation energy

6,209 keV

Proton separation energy

4,452 keV

Decay Mode

γLead-204100%

Decay chain

Lead-204Z 82 · N 1221.12 h
γ100%