Pt

Platinum-189n

Protons (Z)

78

Neutrons (N)

111

Mass number

189

Half-Life

143.0 µs

Abundance

---

Mass

188.961 u

Mass Excess

-36,278.0 keV

Spin

(13/2+)

Discovered

1976

Binding energy per nucleon

7,940 keV

Neutron separation energy

6,528 keV

Proton separation energy

5,222 keV

Decay Mode

γPlatinum-189100%

Decay chain

Platinum-189Z 78 · N 111143.0 µs
γ100%
β⁺100%
EC100%