Ir

Iridium-197

Protons (Z)

77

Neutrons (N)

120

Mass number

197

Half-Life

5.8 m

Abundance

---

Mass

196.97 u

Mass Excess

-28,264.0 keV

Spin

3/2+

Discovered

1952

Binding energy per nucleon

7,909 keV

Neutron separation energy

6,895 keV

Proton separation energy

7,273 keV

Decay Mode

β⁻Platinum-197100%

Decay chain

Iridium-197Z 77 · N 1205.8 m
β⁻100%
β⁻100%