Periodic Table/Lanthanum/¹³⁵La

← 134La136La →

¹³⁵La

Lanthanum-135

Radioactive· Half-life: 18.9 h

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

57

Neutrons (N)

78

Mass Number (A)

135

Atomic Mass

134.906984AMU

Spin / Parity

5/2+

Binding E/A

8.167keV

Natural Abundance

Trace / None

Half-life

18.9 h

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

β⁺

100.0%

Decay Chain

¹³⁵LaLanthanum18.9 h

β⁺100.0%

¹³⁵BaBariumSTABLE

2-step decay chain → stable · Primary path shown

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