Periodic Table/Cadmium/¹²⁸Cd

← 127Cd129Cd →

¹²⁸Cd

Cadmium-128

Radioactive· Half-life: 246 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

48

Neutrons (N)

80

Mass Number (A)

128

Atomic Mass

127.927817AMU

Spin / Parity

0+

Binding E/A

8.112keV

Natural Abundance

Trace / None

Half-life

246 ms

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

β⁻

100.0%

β⁻n

Decay Chain

¹²⁸CdCadmium246 ms

β⁻100.0%

β⁻n¹²⁷In

¹²⁸InIndium816 ms

β⁻100.0%

β⁻n¹²⁷Sn0.04%

¹²⁸SnTin59.1 min

β⁻100.0%

¹²⁸SbAntimony9.05 h

β⁻100.0%

¹²⁸TeTellurium2250000000000000 Gy

2β⁻100.0%

¹²⁸XeXenonSTABLE

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

Other Isotopes of Cadmium

94 95 96 97 98 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

← Back to CadmiumData: IAEA NDS · ENSDF