Periodic Table/Cerium/¹⁵⁷Ce

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¹⁵⁷Ce

Cerium-157

Radioactive· Half-life: 175 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

58

Neutrons (N)

99

Mass Number (A)

157

Atomic Mass

156.957133AMU

Spin / Parity

7/2+

Binding E/A

7.848keV

Natural Abundance

Trace / None

Half-life

175 ms

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

β⁻

100.0%

β⁻n

Decay Chain

¹⁵⁷CeCerium175 ms

β⁻100.0%

β⁻n¹⁵⁶Pr

¹⁵⁷PrPraseodymium307 ms

β⁻100.0%

β⁻n¹⁵⁶Nd

¹⁵⁷NdNeodymium1.15 s

β⁻100.0%

¹⁵⁷PmPromethium10.6 s

β⁻100.0%

¹⁵⁷SmSamarium8.03 min

β⁻100.0%

¹⁵⁷EuEuropium15.2 h

β⁻100.0%

¹⁵⁷GdGadoliniumSTABLE

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

Other Isotopes of Cerium

119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159

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