Periodic Table/Yttrium/¹⁰⁹Y

← 108Y

¹⁰⁹Y

Yttrium-109

Radioactive· Half-life: 25.0 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

39

Neutrons (N)

70

Mass Number (A)

109

Atomic Mass

108.965131AMU

Spin / Parity

5/2+

Binding E/A

7.907keV

Natural Abundance

Trace / None

Half-life

25.0 ms

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

β⁻

100.0%

β⁻n

2n

Decay Chain

¹⁰⁹YYttrium25.0 ms

β⁻100.0%

β⁻n¹⁰⁸Zr

2n¹⁰⁷Y

¹⁰⁹ZrZirconium56.0 ms

β⁻100.0%

β⁻n¹⁰⁸Nb

2n¹⁰⁷Zr

¹⁰⁹NbNiobium107 ms

β⁻100.0%

β⁻n¹⁰⁸Mo31.0%

¹⁰⁹MoMolybdenum700 ms

β⁻100.0%

β⁻n¹⁰⁸Tc1.30%

¹⁰⁹TcTechnetium905 ms

β⁻100.0%

β⁻n¹⁰⁸Ru0.08%

¹⁰⁹RuRuthenium34.4 s

β⁻100.0%

¹⁰⁹RhRhodium1.35 min

β⁻100.0%

¹⁰⁹PdPalladium13.6 h

β⁻100.0%

¹⁰⁹AgSilverSTABLE

9-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Yttrium

75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109

← Back to YttriumData: IAEA NDS · ENSDF