Periodic Table/Thulium/¹⁷⁴Tm

← 173Tm175Tm →

¹⁷⁴Tm

Thulium-174

Radioactive· Half-life: 5.40 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

69

Neutrons (N)

105

Mass Number (A)

174

Atomic Mass

173.942174AMU

Spin / Parity

4-

Binding E/A

7.868keV

Natural Abundance

Trace / None

Half-life

5.40 min

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

β⁻

100.0%

Decay Chain

¹⁷⁴TmThulium5.40 min

β⁻100.0%

¹⁷⁴YbYtterbiumSTABLE

2-step decay chain → stable · Primary path shown

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