Periodic Table/Erbium/¹⁴³Er

← 142Er144Er →

¹⁴³Er

Erbium-143

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

68

Neutrons (N)

75

Mass Number (A)

143

Atomic Mass

142.966548AMU

Spin / Parity

9/2-

Binding E/A

7.674keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁺

β⁺p

Decay Chain

¹⁴³ErErbium?

β⁺

β⁺p¹⁴²Dy

¹⁴³HoHolmium?

β⁺

β⁺p¹⁴²Tb

¹⁴³DyDysprosium5.60 s

β⁺100.0%

β⁺p¹⁴²Gd

¹⁴³TbTerbium12.0 s

β⁺100.0%

¹⁴³GdGadolinium39.0 s

β⁺100.0%

β⁺p¹⁴²Sm

β⁺α¹³⁹Pm

¹⁴³EuEuropium2.59 min

β⁺100.0%

¹⁴³SmSamarium8.75 min

β⁺100.0%

EC¹⁴³Pm60.0%

e+¹⁴³Pm40.0%

¹⁴³PmPromethium265 d

EC100.0%

e+¹⁴³Nd5.70%

¹⁴³NdNeodymiumSTABLE

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