Periodic Table/Astatine/¹⁹²At

← 191At193At →

¹⁹²At

Astatine-192

Radioactive· Half-life: 11.5 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

85

Neutrons (N)

107

Mass Number (A)

192

Atomic Mass

192.003141AMU

Spin / Parity

3+

Binding E/A

7.484keV

Natural Abundance

Trace / None

Half-life

11.5 ms

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

α

100.0%

β⁺

β⁺SF

0.5%

Decay Chain

¹⁹²AtAstatine11.5 ms

α100.0%

β⁺¹⁹²Po

¹⁸⁸BiBismuth60.0 ms

α100.0%

β⁺¹⁸⁸Pb

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

10-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Astatine

191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229

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