Periodic Table/Erbium/¹⁷²Er

← 171Er173Er →

¹⁷²Er

Erbium-172

Radioactive· Half-life: 2.05 d

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

68

Neutrons (N)

104

Mass Number (A)

172

Atomic Mass

171.939363AMU

Spin / Parity

0+

Binding E/A

7.888keV

Natural Abundance

Trace / None

Half-life

2.05 d

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

β⁻

100.0%

Decay Chain

¹⁷²ErErbium2.05 d

β⁻100.0%

¹⁷²TmThulium2.65 d

β⁻100.0%

¹⁷²YbYtterbiumSTABLE

3-step decay chain → stable · Primary path shown

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