Periodic Table/Thallium/¹⁸⁴Tl

← 183Tl185Tl →

¹⁸⁴Tl

Thallium-184

Radioactive· Half-life: 9.50 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

81

Neutrons (N)

103

Mass Number (A)

184

Atomic Mass

183.981875AMU

Spin / Parity

2-

Binding E/A

7.594keV

Natural Abundance

Trace / None

Half-life

9.50 s

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

β⁺

98.8%

α

1.2%

Decay Chain

¹⁸⁴TlThallium9.50 s

β⁺98.8%

α¹⁸⁰Au1.22%

¹⁸⁴HgMercury30.9 s

β⁺98.9%

α¹⁸⁰Pt1.11%

¹⁸⁴AuGold20.6 s

β⁺100.0%

α¹⁸⁰Ir0.01%

¹⁸⁴PtPlatinum17.3 min

β⁺100.0%

α¹⁸⁰Os0.00%

¹⁸⁴IrIridium3.09 h

β⁺100.0%

¹⁸⁴OsOsmium11200 Gy

α

2β⁺¹⁸⁴W

¹⁸⁰WTungsten1590000000 Gy

α100.0%

2β⁺¹⁸⁰Hf

¹⁷⁶HfHafniumSTABLE

8-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