Pt

Platinum-189

Protons (Z)

78

Neutrons (N)

111

Mass number

189

Half-Life

10.87 h

Abundance

---

Mass

188.961 u

Mass Excess

-36,469.0 keV

Spin

3/2-

Discovered

1955

Binding energy per nucleon

7,941 keV

Neutron separation energy

6,719 keV

Proton separation energy

5,413 keV

Decay Mode

β⁺Iridium-189100%

Decay chain

Platinum-189Z 78 · N 11110.87 h
β⁺100%
EC100%