Periodic Table/Antimony/¹⁰⁹Sb

← 108Sb110Sb →

¹⁰⁹Sb

Antimony-109

Radioactive· Half-life: 17.2 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

51

Neutrons (N)

58

Mass Number (A)

109

Atomic Mass

108.918141AMU

Spin / Parity

5/2+

Binding E/A

8.166keV

Natural Abundance

Trace / None

Half-life

17.2 s

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

β⁺

100.0%

Decay Chain

¹⁰⁹SbAntimony17.2 s

β⁺100.0%

¹⁰⁹SnTin18.1 min

β⁺100.0%

¹⁰⁹InIndium4.16 h

β⁺100.0%

¹⁰⁹CdCadmium1.26 y

EC100.0%

¹⁰⁹AgSilverSTABLE

5-step decay chain → stable · Primary path shown

Other Isotopes of Antimony

102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142

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