Ir

Iridium-191

Protons (Z)

77

Neutrons (N)

114

Mass number

191

Half-Life

Stable

Abundance

37.3%

Mass

190.961 u

Mass Excess

-36,708.8 keV

Spin

3/2+

Discovered

1935

Binding energy per nucleon

7,948 keV

Neutron separation energy

8,027 keV

Proton separation energy

5,290 keV

Decay Mode

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