Periodic Table/Thallium/²¹⁰Tl

← 209Tl211Tl →

²¹⁰Tl

Thallium-210

Radioactive· Half-life: 1.30 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

81

Neutrons (N)

129

Mass Number (A)

210

Atomic Mass

209.990073AMU

Spin / Parity

5+

Binding E/A

7.617keV

Natural Abundance

Trace / None

Half-life

1.30 min

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

β⁻

100.0%

β⁻n

0.0%

Decay Chain

²¹⁰TlThallium1.30 min

β⁻100.0%

β⁻n²⁰⁹Pb0.01%

²¹⁰PbLead22.2 y

β⁻100.0%

α²⁰⁶Hg1.90%

²¹⁰BiBismuth5.01 d

β⁻100.0%

α²⁰⁶Tl13.2%

²¹⁰PoPolonium138 d

α100.0%

²⁰⁶PbLeadSTABLE

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

Other Isotopes of Thallium

176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218

← Back to ThalliumData: IAEA NDS · ENSDF