Periodic Table/Promethium/¹⁶⁴Pm

← 163Pm165Pm →

¹⁶⁴Pm

Promethium-164

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

61

Neutrons (N)

103

Mass Number (A)

164

Atomic Mass

163.958819AMU

Spin / Parity

5-

Binding E/A

7.824keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

β⁻n

Decay Chain

¹⁶⁴PmPromethium?

β⁻

β⁻n¹⁶³Sm

¹⁶⁴SmSamarium1.43 s

β⁻100.0%

β⁻n¹⁶³Eu

¹⁶⁴EuEuropium4.16 s

β⁻100.0%

¹⁶⁴GdGadolinium45.0 s

β⁻100.0%

¹⁶⁴TbTerbium3.00 min

β⁻100.0%

¹⁶⁴DyDysprosiumSTABLE

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