91Y

Yttrium-91

Radioactive· Half-life: 58.5 d

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

39

Neutrons (N)

52

Mass Number (A)

91

Atomic Mass

90.907298AMU

Spin / Parity

1/2-

Binding E/A

8.466keV

Natural Abundance

Trace / None

Half-life

58.5 d

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

β⁻
100.0%

Decay Chain

2-step decay chain → stable · Primary path shown

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