Ir

Iridium-188

Protons (Z)

77

Neutrons (N)

111

Mass number

188

Half-Life

1.73 d

Abundance

---

Mass

187.959 u

Mass Excess

-38,345.0 keV

Spin

1-

Discovered

1950

Binding energy per nucleon

7,955 keV

Neutron separation energy

6,867 keV

Proton separation energy

4,415 keV

Decay Mode

β⁺Osmium-188100%

Decay chain

Iridium-188Z 77 · N 1111.73 d
β⁺100%