Periodic Table/Holmium/¹⁴⁰Ho

141Ho →

¹⁴⁰Ho

Holmium-140

Radioactive· Half-life: 6.00 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

67

Neutrons (N)

73

Mass Number (A)

140

Atomic Mass

139.968526AMU

Spin / Parity

8+

Binding E/A

7.662keV

Natural Abundance

Trace / None

Half-life

6.00 ms

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

p

β⁺

β⁺p

Decay Chain

¹⁴⁰HoHolmium6.00 ms

p

β⁺¹⁴⁰Dy

β⁺p¹³⁹Tb

¹³⁹DyDysprosium600 ms

β⁺100.0%

β⁺p¹³⁸Gd11.0%

¹³⁹TbTerbium1.60 s

β⁺100.0%

β⁺p¹³⁸Eu

¹³⁹GdGadolinium5.70 s

β⁺100.0%

β⁺p¹³⁸Sm

¹³⁹EuEuropium17.9 s

β⁺100.0%

¹³⁹SmSamarium2.57 min

β⁺100.0%

¹³⁹PmPromethium4.15 min

β⁺100.0%

¹³⁹NdNeodymium29.7 min

β⁺100.0%

¹³⁹PrPraseodymium4.41 h

β⁺100.0%

¹³⁹CeCerium138 d

EC100.0%

¹³⁹LaLanthanumSTABLE

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

Other Isotopes of Holmium

140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178

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