189Ir

Iridium-189

Radioactive· Half-life: 13.2 d

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

77

Neutrons (N)

112

Mass Number (A)

189

Atomic Mass

188.958723AMU

Spin / Parity

3/2+

Binding E/A

7.748keV

Natural Abundance

Trace / None

Half-life

13.2 d

Decay Modesoverview · half-life · α · β⁻ · β⁺

EC
100.0%

Decay Chain

2-step decay chain → stable · Primary path shown

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