Pb

Lead-197n

Protons (Z)

82

Neutrons (N)

115

Mass number

197

Half-Life

1.15 µs

Abundance

---

Mass

196.975 u

Mass Excess

-22,831.0 keV

Spin

21/2-

Discovered

1978

Binding energy per nucleon

7,862 keV

Neutron separation energy

5,554 keV

Proton separation energy

2,623 keV

Decay Mode

γLead-197100%

Decay chain

Lead-197Z 82 · N 1151.15 µs
γ100%
β⁺100%
β⁺100%
EC100%