Ir

Iridium-203

Protons (Z)

77

Neutrons (N)

126

Mass number

203

Half-Life

7.0 s

Abundance

---

Mass

202.985 u

Mass Excess

-14,370.0 keV

Spin

(3/2+)

Discovered

2009

Binding energy per nucleon

7,845 keV

Neutron separation energy

5,801 keV

Proton separation energy

9,129 keV

Decay Mode

β⁻Platinum-203

Decay chain

Iridium-203Z 77 · N 1267.0 s
β⁻
β⁻100%
β⁻100%
β⁻100%