Periodic Table/Thorium/²²⁴Th

← 223Th225Th →

²²⁴Th

Thorium-224

Radioactive· Half-life: 1.04 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

90

Neutrons (N)

134

Mass Number (A)

224

Atomic Mass

224.021466AMU

Spin / Parity

0+

Binding E/A

7.462keV

Natural Abundance

Trace / None

Half-life

1.04 s

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

α

100.0%

2β⁺

Decay Chain

²²⁴ThThorium1.04 s

α100.0%

2β⁺²²⁴Ra

²²⁰RaRadium18.1 ms

α100.0%

²¹⁶RnRadon29.0 μs

α100.0%

²¹²PoPolonium294 ns

α100.0%

²⁰⁸PbLeadSTABLE

5-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