Periodic Table/Erbium/¹⁴⁵Er

← 144Er146Er →

¹⁴⁵Er

Erbium-145

Radioactive· Half-life: 900 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

68

Neutrons (N)

77

Mass Number (A)

145

Atomic Mass

144.957874AMU

Spin / Parity

1/2+

Binding E/A

7.735keV

Natural Abundance

Trace / None

Half-life

900 ms

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

β⁺

100.0%

β⁺p

Decay Chain

¹⁴⁵ErErbium900 ms

β⁺100.0%

β⁺p¹⁴⁴Dy

¹⁴⁵HoHolmium2.40 s

β⁺100.0%

¹⁴⁵DyDysprosium9.50 s

β⁺100.0%

β⁺p¹⁴⁴Gd

¹⁴⁵TbTerbium30.9 s

β⁺100.0%

¹⁴⁵GdGadolinium23.0 min

β⁺100.0%

¹⁴⁵EuEuropium5.93 d

β⁺100.0%

¹⁴⁵SmSamarium340 d

EC100.0%

¹⁴⁵PmPromethium17.7 y

EC100.0%

α¹⁴¹Pr2.80%

¹⁴⁵NdNeodymiumSTABLE

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

Other Isotopes of Erbium

142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180

← Back to ErbiumData: IAEA NDS · ENSDF