Periodic Table/Iodine/¹⁴²I

← 141I143I →

¹⁴²I

Iodine-142

Radioactive· Half-life: 235 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

53

Neutrons (N)

89

Mass Number (A)

142

Atomic Mass

141.941167AMU

Spin / Parity

2-

Binding E/A

7.974keV

Natural Abundance

Trace / None

Half-life

235 ms

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

β⁻

100.0%

β⁻n

2n

Decay Chain

¹⁴²IIodine235 ms

β⁻100.0%

β⁻n¹⁴¹Xe

2n¹⁴⁰I

¹⁴²XeXenon1.23 s

β⁻100.0%

β⁻n¹⁴¹Cs0.37%

¹⁴²CsCesium1.69 s

β⁻100.0%

β⁻n¹⁴¹Ba0.09%

¹⁴²BaBarium10.6 min

β⁻100.0%

¹⁴²LaLanthanum1.52 h

β⁻100.0%

¹⁴²CeCeriumSTABLE

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

Other Isotopes of Iodine

106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147

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