Periodic Table/Thallium/²⁰²Tl

← 201Tl203Tl →

²⁰²Tl

Thallium-202

Radioactive· Half-life: 12.3 d

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

81

Neutrons (N)

121

Mass Number (A)

202

Atomic Mass

201.972109AMU

Spin / Parity

2-

Binding E/A

7.681keV

Natural Abundance

Trace / None

Half-life

12.3 d

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

EC

100.0%

Decay Chain

²⁰²TlThallium12.3 d

EC100.0%

²⁰²HgMercurySTABLE

2-step decay chain → stable · Primary path shown

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

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