Periodic Table/Technetium/¹²⁰Tc

← 119Tc121Tc →

¹²⁰Tc

Technetium-120

Radioactive· Half-life: 21.0 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

43

Neutrons (N)

77

Mass Number (A)

120

Atomic Mass

119.962426AMU

Spin / Parity

3+

Binding E/A

7.899keV

Natural Abundance

Trace / None

Half-life

21.0 ms

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

β⁻

100.0%

β⁻n

2n

Decay Chain

¹²⁰TcTechnetium21.0 ms

β⁻100.0%

β⁻n¹¹⁹Ru

2n¹¹⁸Tc

¹²⁰RuRuthenium45.0 ms

β⁻100.0%

β⁻n¹¹⁹Rh

¹²⁰RhRhodium130 ms

β⁻100.0%

β⁻n¹¹⁹Pd9.30%

2n¹¹⁸Rh

¹²⁰PdPalladium492 ms

β⁻100.0%

β⁻n¹¹⁹Ag0.70%

¹²⁰AgSilver1.52 s

β⁻100.0%

β⁻n¹¹⁹Cd0.00%

¹²⁰CdCadmium50.8 s

β⁻100.0%

¹²⁰InIndium3.08 s

β⁻100.0%

¹²⁰SnTinSTABLE

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

← Back to TechnetiumData: IAEA NDS · ENSDF