Periodic Table/Promethium/¹⁶³Pm

← 162Pm164Pm →

¹⁶³Pm

Promethium-163

Radioactive· Half-life: 255 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

61

Neutrons (N)

102

Mass Number (A)

163

Atomic Mass

162.953881AMU

Spin / Parity

5/2-

Binding E/A

7.851keV

Natural Abundance

Trace / None

Half-life

255 ms

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

β⁻

100.0%

β⁻n

Decay Chain

¹⁶³PmPromethium255 ms

β⁻100.0%

β⁻n¹⁶²Sm

¹⁶³SmSamarium1.30 s

β⁻100.0%

¹⁶³EuEuropium7.70 s

β⁻100.0%

¹⁶³GdGadolinium1.13 min

β⁻100.0%

¹⁶³TbTerbium19.5 min

β⁻100.0%

¹⁶³DyDysprosiumSTABLE

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

Other Isotopes of Promethium

126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165

← Back to PromethiumData: IAEA NDS · ENSDF