Periodic Table/Thorium/²¹¹Th

← 210Th212Th →

²¹¹Th

Thorium-211

Radioactive· Half-life: 48.0 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

90

Neutrons (N)

121

Mass Number (A)

211

Atomic Mass

211.014897AMU

Spin / Parity

5/2-

Binding E/A

7.454keV

Natural Abundance

Trace / None

Half-life

48.0 ms

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

α

100.0%

β⁺

Decay Chain

²¹¹ThThorium48.0 ms

α100.0%

β⁺²¹¹Ac

²⁰⁷RaRadium1.38 s

α86.0%

β⁺²⁰⁷Fr

²⁰³RnRadon44.2 s

α66.0%

β⁺²⁰³At34.0%

¹⁹⁹PoPolonium5.47 min

β⁺92.5%

α¹⁹⁵Pb7.50%

¹⁹⁹BiBismuth27.0 min

β⁺100.0%

¹⁹⁹PbLead1.50 h

β⁺100.0%

¹⁹⁹TlThallium7.42 h

β⁺100.0%

¹⁹⁹HgMercurySTABLE

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

Other Isotopes of Thorium

208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239

← Back to ThoriumData: IAEA NDS · ENSDF