Periodic Table/Thorium/²²³Th

← 222Th224Th →

²²³Th

Thorium-223

Radioactive· Half-life: 600 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

90

Neutrons (N)

133

Mass Number (A)

223

Atomic Mass

223.020811AMU

Spin / Parity

5/2

Binding E/A

7.462keV

Natural Abundance

Trace / None

Half-life

600 ms

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

α

100.0%

Decay Chain

²²³ThThorium600 ms

α100.0%

²¹⁹RaRadium9.00 ms

α100.0%

²¹⁵RnRadon2.30 μs

α100.0%

²¹¹PoPolonium516 ms

α100.0%

²⁰⁷PbLeadSTABLE

5-step decay chain → stable · Primary path shown

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