Periodic Table/Thallium/¹⁹⁰Tl

← 189Tl191Tl →

¹⁹⁰Tl

Thallium-190

Radioactive· Half-life: 2.60 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

81

Neutrons (N)

109

Mass Number (A)

190

Atomic Mass

189.973842AMU

Spin / Parity

2-

Binding E/A

7.648keV

Natural Abundance

Trace / None

Half-life

2.60 min

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

β⁺

100.0%

Decay Chain

¹⁹⁰TlThallium2.60 min

β⁺100.0%

¹⁹⁰HgMercury20.0 min

β⁺100.0%

α¹⁸⁶Pt

¹⁹⁰AuGold42.8 min

β⁺100.0%

α¹⁸⁶Ir1.00%

¹⁹⁰PtPlatinum483 Gy

α100.0%

2β⁺¹⁹⁰Os

¹⁸⁶OsOsmium2000000 Gy

α100.0%

¹⁸²WTungstenSTABLE

6-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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