Periodic Table/Thulium/¹⁷⁰Tm

← 169Tm171Tm →

¹⁷⁰Tm

Thulium-170

Radioactive· Half-life: 129 d

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

69

Neutrons (N)

101

Mass Number (A)

170

Atomic Mass

169.935807AMU

Spin / Parity

1+

Binding E/A

7.898keV

Natural Abundance

Trace / None

Half-life

129 d

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

β⁻

99.9%

EC

0.1%

Decay Chain

¹⁷⁰TmThulium129 d

β⁻99.9%

EC¹⁷⁰Er0.13%

¹⁷⁰YbYtterbiumSTABLE

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

Other Isotopes of Thulium

144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182

← Back to ThuliumData: IAEA NDS · ENSDF