Periodic Table/Antimony/¹³⁸Sb

← 137Sb139Sb →

¹³⁸Sb

Antimony-138

Radioactive· Half-life: 333 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

51

Neutrons (N)

87

Mass Number (A)

138

Atomic Mass

137.941331AMU

Spin / Parity

3-

Binding E/A

7.989keV

Natural Abundance

Trace / None

Half-life

333 ms

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

β⁻

100.0%

β⁻n

72.0%

2n

Decay Chain

¹³⁸SbAntimony333 ms

β⁻100.0%

β⁻n¹³⁷Te72.0%

2n¹³⁶Sb

¹³⁸TeTellurium1.46 s

β⁻100.0%

β⁻n¹³⁷I4.80%

¹³⁸IIodine6.26 s

β⁻100.0%

β⁻n¹³⁷Xe5.33%

¹³⁸XeXenon14.1 min

β⁻100.0%

¹³⁸CsCesium33.5 min

β⁻100.0%

¹³⁸BaBariumSTABLE

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

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

← Back to AntimonyData: IAEA NDS · ENSDF