Periodic Table/Antimony/¹²²Sb

← 121Sb123Sb →

¹²²Sb

Antimony-122

Radioactive· Half-life: 2.72 d

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

51

Neutrons (N)

71

Mass Number (A)

122

Atomic Mass

121.905169AMU

Spin / Parity

2-

Binding E/A

8.255keV

Natural Abundance

Trace / None

Half-life

2.72 d

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

β⁻

97.6%

β⁺

2.4%

Decay Chain

¹²²SbAntimony2.72 d

β⁻97.6%

β⁺¹²²Sn2.41%

¹²²TeTelluriumSTABLE

2-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

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