Periodic Table/Praseodymium/¹⁵⁵Pr

← 154Pr156Pr →

¹⁵⁵Pr

Praseodymium-155

Radioactive· Half-life: 1.47 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

59

Neutrons (N)

96

Mass Number (A)

155

Atomic Mass

154.940509AMU

Spin / Parity

3/2-

Binding E/A

7.936keV

Natural Abundance

Trace / None

Half-life

1.47 s

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

β⁻

100.0%

β⁻n

Decay Chain

¹⁵⁵PrPraseodymium1.47 s

β⁻100.0%

β⁻n¹⁵⁴Nd

¹⁵⁵NdNeodymium8.90 s

β⁻100.0%

¹⁵⁵PmPromethium41.5 s

β⁻100.0%

¹⁵⁵SmSamarium22.2 min

β⁻100.0%

¹⁵⁵EuEuropium4.74 y

β⁻100.0%

¹⁵⁵GdGadoliniumSTABLE

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

Other Isotopes of Praseodymium

121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161

← Back to PraseodymiumData: IAEA NDS · ENSDF