Ir

Iridium-190

Protons (Z)

77

Neutrons (N)

113

Mass number

190

Half-Life

11.78 d

Abundance

---

Mass

189.961 u

Mass Excess

-36,753.6 keV

Spin

4-

Discovered

1947

Binding energy per nucleon

7,948 keV

Neutron separation energy

6,375 keV

Proton separation energy

5,056 keV

Decay Mode

β⁺Osmium-190~100%
β⁺<0.002%

Decay chain

Iridium-190Z 77 · N 11311.78 d
β⁺~100%