Ir

Iridium-171

Protons (Z)

77

Neutrons (N)

94

Mass number

171

Half-Life

3.1 s

Abundance

---

Mass

170.972 u

Mass Excess

-26,410.0 keV

Spin

1/2+

Discovered

1967

Binding energy per nucleon

7,873 keV

Neutron separation energy

11,301 keV

Proton separation energy

-227 keV

Decay Mode

Decay chain

Iridium-171Z 77 · N 943.1 s
α15%
α100%
β⁺100%
β⁺100%
β⁺100%
β⁺100%
β⁺100%
β⁺100%
EC100%