Ir

Iridium-166

Protons (Z)

77

Neutrons (N)

89

Mass number

166

Half-Life

10.5 ms

Abundance

---

Mass

165.986 u

Mass Excess

-13,310.0 keV

Spin

(2-)

Discovered

1981

Binding energy per nucleon

7,789 keV

Neutron separation energy

9,781 keV

Proton separation energy

-1,151 keV

Decay Mode

Decay chain

Iridium-166Z 77 · N 8910.5 ms
α93%
α94%
α100%
β⁺
α92.6%
β⁺100%
β⁺100%
β⁺66.4%
β⁺100%
α100%
α100%