Periodic Table/Thorium/²¹⁰Th

← 209Th211Th →

²¹⁰Th

Thorium-210

Radioactive· Half-life: 16.0 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

90

Neutrons (N)

120

Mass Number (A)

210

Atomic Mass

210.015094AMU

Spin / Parity

0+

Binding E/A

7.450keV

Natural Abundance

Trace / None

Half-life

16.0 ms

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

α

100.0%

β⁺

Decay Chain

²¹⁰ThThorium16.0 ms

α100.0%

β⁺²¹⁰Ac

²⁰⁶RaRadium240 ms

α100.0%

β⁺²⁰⁶Fr

²⁰²RnRadon9.70 s

α78.0%

β⁺²⁰²At

¹⁹⁸PoPolonium1.76 min

α57.0%

β⁺¹⁹⁸Bi43.0%

¹⁹⁴PbLead10.7 min

β⁺100.0%

α¹⁹⁰Hg7.30%

¹⁹⁴TlThallium33.0 min

β⁺100.0%

α¹⁹⁰Au

¹⁹⁴HgMercury447 y

EC100.0%

¹⁹⁴AuGold1.58 d

β⁺100.0%

¹⁹⁴PtPlatinumSTABLE

9-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