Periodic Table/Lanthanum/¹⁵⁴La

← 153La155La →

¹⁵⁴La

Lanthanum-154

Radioactive· Half-life: 161 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

57

Neutrons (N)

97

Mass Number (A)

154

Atomic Mass

153.955416AMU

Spin / Parity

2-

Binding E/A

7.862keV

Natural Abundance

Trace / None

Half-life

161 ms

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

β⁻

100.0%

β⁻n

2n

Decay Chain

¹⁵⁴LaLanthanum161 ms

β⁻100.0%

β⁻n¹⁵³Ce

2n¹⁵²La

¹⁵⁴CeCerium722 ms

β⁻100.0%

β⁻n¹⁵³Pr

¹⁵⁴PrPraseodymium2.30 s

β⁻100.0%

β⁻n¹⁵³Nd

¹⁵⁴NdNeodymium25.9 s

β⁻100.0%

¹⁵⁴PmPromethium2.68 min

β⁻100.0%

¹⁵⁴SmSamariumSTABLE

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

Other Isotopes of Lanthanum

116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157

← Back to LanthanumData: IAEA NDS · ENSDF