Ir

Iridium-198

Protons (Z)

77

Neutrons (N)

121

Mass number

198

Half-Life

8.7 s

Abundance

---

Mass

197.972 u

Mass Excess

-25,710.0 keV

Spin

1-

Discovered

1973

Binding energy per nucleon

7,897 keV

Neutron separation energy

5,517 keV

Proton separation energy

7,919 keV

Decay Mode

β⁻Platinum-198100%

Decay chain

Iridium-198Z 77 · N 1218.7 s
β⁻100%