Pb

Lead-200

Protons (Z)

82

Neutrons (N)

118

Mass number

200

Half-Life

21.5 h

Abundance

---

Mass

199.972 u

Mass Excess

-26,251.0 keV

Spin

0+

Discovered

1950

Binding energy per nucleon

7,882 keV

Neutron separation energy

9,090 keV

Proton separation energy

5,481 keV

Decay Mode

ECThallium-200100%

Decay chain

Lead-200Z 82 · N 11821.5 h
EC100%
β⁺100%