Periodic Table/Thallium/²¹⁸Tl

← 217Tl

²¹⁸Tl

Thallium-218

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

81

Neutrons (N)

137

Mass Number (A)

218

Atomic Mass

218.025454AMU

Spin / Parity

6+

Binding E/A

7.482keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

β⁻n

Decay Chain

²¹⁸TlThallium?

β⁻

β⁻n²¹⁷Pb

²¹⁸PbLead14.8 s

β⁻100.0%

²¹⁸BiBismuth33.0 s

β⁻100.0%

²¹⁸PoPolonium3.10 min

α100.0%

β⁻²¹⁸At0.02%

²¹⁴PbLead27.1 min

β⁻100.0%

²¹⁴BiBismuth19.9 min

β⁻100.0%

α²¹⁰Tl0.02%

β⁻α²¹⁰Pb0.00%

²¹⁴PoPolonium163 μs

α100.0%

²¹⁰PbLead22.2 y

β⁻100.0%

α²⁰⁶Hg1.90%

²¹⁰BiBismuth5.01 d

β⁻100.0%

α²⁰⁶Tl13.2%

²¹⁰PoPolonium138 d

α100.0%

²⁰⁶PbLeadSTABLE

11-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

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