Periodic Table/Thallium/¹⁹⁷Tl

← 196Tl198Tl →

¹⁹⁷Tl

Thallium-197

Radioactive· Half-life: 2.84 h

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

81

Neutrons (N)

116

Mass Number (A)

197

Atomic Mass

196.969560AMU

Spin / Parity

1/2+

Binding E/A

7.684keV

Natural Abundance

Trace / None

Half-life

2.84 h

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

β⁺

100.0%

Decay Chain

¹⁹⁷TlThallium2.84 h

β⁺100.0%

¹⁹⁷HgMercury2.71 d

EC100.0%

¹⁹⁷AuGoldSTABLE

3-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

← Back to ThalliumData: IAEA NDS · ENSDF