Periodic Table/Astatine/¹⁹³At

← 192At194At →

¹⁹³At

Astatine-193

Radioactive· Half-life: 29.0 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

85

Neutrons (N)

108

Mass Number (A)

193

Atomic Mass

192.999928AMU

Spin / Parity

1/2+

Binding E/A

7.502keV

Natural Abundance

Trace / None

Half-life

29.0 ms

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

α

100.0%

Decay Chain

¹⁹³AtAstatine29.0 ms

α100.0%

¹⁸⁹BiBismuth688 ms

α100.0%

β⁺¹⁸⁹Pb

¹⁸⁵TlThallium19.5 s

β⁺100.0%

α¹⁸¹Au

¹⁸⁵HgMercury49.1 s

β⁺94.0%

α¹⁸¹Pt6.00%

¹⁸⁵AuGold4.25 min

β⁺99.7%

α¹⁸¹Ir0.26%

¹⁸⁵PtPlatinum1.18 h

β⁺100.0%

α¹⁸¹Os0.01%

¹⁸⁵IrIridium14.4 h

β⁺100.0%

¹⁸⁵OsOsmium93.0 d

EC100.0%

¹⁸⁵ReRheniumSTABLE

9-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

← Back to AstatineData: IAEA NDS · ENSDF