Periodic Table/Cadmium/⁹⁹Cd

← 98Cd100Cd →

⁹⁹Cd

Cadmium-99

Radioactive· Half-life: 17.0 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

48

Neutrons (N)

51

Mass Number (A)

99

Atomic Mass

98.924926AMU

Spin / Parity

5/2+

Binding E/A

8.151keV

Natural Abundance

Trace / None

Half-life

17.0 s

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

β⁺

100.0%

β⁺p

0.2%

β⁺α

1.0%

Decay Chain

⁹⁹CdCadmium17.0 s

β⁺100.0%

β⁺α⁹⁵Rh1.00%

β⁺p⁹⁸Pd0.21%

⁹⁹AgSilver2.07 min

β⁺100.0%

⁹⁹PdPalladium21.4 min

β⁺100.0%

⁹⁹RhRhodium16.1 d

β⁺100.0%

⁹⁹RuRutheniumSTABLE

5-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

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