Periodic Table/Antimony/¹³¹Sb

← 130Sb132Sb →

¹³¹Sb

Antimony-131

Radioactive· Half-life: 23.0 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

51

Neutrons (N)

80

Mass Number (A)

131

Atomic Mass

130.911989AMU

Spin / Parity

7/2+

Binding E/A

8.194keV

Natural Abundance

Trace / None

Half-life

23.0 min

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

β⁻

100.0%

Decay Chain

¹³¹SbAntimony23.0 min

β⁻100.0%

¹³¹TeTellurium25.0 min

β⁻100.0%

¹³¹IIodine8.02 d

β⁻100.0%

¹³¹XeXenonSTABLE

4-step decay chain → stable · Primary path shown

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