Periodic Table/Cesium/¹⁴⁶Cs

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¹⁴⁶Cs

Cesium-146

Radioactive· Half-life: 322 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

55

Neutrons (N)

91

Mass Number (A)

146

Atomic Mass

145.940622AMU

Spin / Parity

1-

Binding E/A

7.963keV

Natural Abundance

Trace / None

Half-life

322 ms

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

β⁻

100.0%

β⁻n

14.2%

2n

Decay Chain

¹⁴⁶CsCesium322 ms

β⁻100.0%

β⁻n¹⁴⁵Ba14.2%

2n¹⁴⁴Cs

¹⁴⁶BaBarium2.15 s

β⁻100.0%

¹⁴⁶LaLanthanum9.90 s

β⁻100.0%

¹⁴⁶CeCerium13.5 min

β⁻100.0%

¹⁴⁶PrPraseodymium24.1 min

β⁻100.0%

¹⁴⁶NdNeodymiumSTABLE

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

Other Isotopes of Cesium

111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152

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