Periodic Table/Technetium/¹¹⁷Tc

← 116Tc118Tc →

¹¹⁷Tc

Technetium-117

Radioactive· Half-life: 44.5 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

43

Neutrons (N)

74

Mass Number (A)

117

Atomic Mass

116.948320AMU

Spin / Parity

5/2+

Binding E/A

8.007keV

Natural Abundance

Trace / None

Half-life

44.5 ms

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

β⁻

100.0%

β⁻n

2n

Decay Chain

¹¹⁷TcTechnetium44.5 ms

β⁻100.0%

β⁻n¹¹⁶Ru

2n¹¹⁵Tc

¹¹⁷RuRuthenium151 ms

β⁻100.0%

β⁻n¹¹⁶Rh

¹¹⁷RhRhodium421 ms

β⁻100.0%

β⁻n¹¹⁶Pd7.60%

¹¹⁷PdPalladium4.30 s

β⁻100.0%

¹¹⁷AgSilver1.23 min

β⁻100.0%

¹¹⁷CdCadmium2.50 h

β⁻100.0%

¹¹⁷InIndium43.2 min

β⁻100.0%

¹¹⁷SnTinSTABLE

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

Other Isotopes of Technetium

83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122

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