Periodic Table/Tin/¹³⁸Sn

← 137Sn139Sn →

¹³⁸Sn

Tin-138

Radioactive· Half-life: 148 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

50

Neutrons (N)

88

Mass Number (A)

138

Atomic Mass

137.951143AMU

Spin / Parity

0+

Binding E/A

7.933keV

Natural Abundance

Trace / None

Half-life

148 ms

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

β⁻

100.0%

β⁻n

36.0%

2n

Decay Chain

¹³⁸SnTin148 ms

β⁻100.0%

β⁻n¹³⁷Sb36.0%

2n¹³⁶Sn

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

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

Other Isotopes of Tin

99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140

← Back to TinData: IAEA NDS · ENSDF