Periodic Table/Tellurium/¹⁰⁹Te

← 108Te110Te →

¹⁰⁹Te

Tellurium-109

Radioactive· Half-life: 4.40 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

52

Neutrons (N)

57

Mass Number (A)

109

Atomic Mass

108.927305AMU

Spin / Parity

5/2+

Binding E/A

8.076keV

Natural Abundance

Trace / None

Half-life

4.40 s

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

β⁺

96.1%

α

3.9%

β⁺p

9.4%

β⁺α

0.0%

Decay Chain

¹⁰⁹TeTellurium4.40 s

β⁺96.1%

β⁺p¹⁰⁸Sn9.40%

α¹⁰⁵Sn3.90%

β⁺α¹⁰⁵In0.00%

¹⁰⁹SbAntimony17.2 s

β⁺100.0%

¹⁰⁹SnTin18.1 min

β⁺100.0%

¹⁰⁹InIndium4.16 h

β⁺100.0%

¹⁰⁹CdCadmium1.26 y

EC100.0%

¹⁰⁹AgSilverSTABLE

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

Other Isotopes of Tellurium

104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145

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