Periodic Table/Promethium/¹⁶⁵Pm

← 164Pm

¹⁶⁵Pm

Promethium-165

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

61

Neutrons (N)

104

Mass Number (A)

165

Atomic Mass

164.962780AMU

Spin / Parity

5/2-

Binding E/A

7.803keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

β⁻n

Decay Chain

¹⁶⁵PmPromethium?

β⁻

β⁻n¹⁶⁴Sm

¹⁶⁵SmSamarium980 ms

β⁻100.0%

β⁻n¹⁶⁴Eu

¹⁶⁵EuEuropium2.53 s

β⁻100.0%

β⁻n¹⁶⁴Gd

¹⁶⁵GdGadolinium11.6 s

β⁻100.0%

¹⁶⁵TbTerbium2.11 min

β⁻100.0%

¹⁶⁵DyDysprosium2.33 h

β⁻100.0%

¹⁶⁵HoHolmiumSTABLE

7-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