Periodic Table/Thorium/²¹⁶Th

← 215Th217Th →

²¹⁶Th

Thorium-216

Radioactive· Half-life: 26.3 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

90

Neutrons (N)

126

Mass Number (A)

216

Atomic Mass

216.011056AMU

Spin / Parity

0+

Binding E/A

7.485keV

Natural Abundance

Trace / None

Half-life

26.3 ms

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

α

100.0%

β⁺

Decay Chain

²¹⁶ThThorium26.3 ms

α100.0%

β⁺²¹⁶Ac

²¹²RaRadium13.0 s

α

β⁺²¹²Fr

²⁰⁸RnRadon24.4 min

α62.0%

β⁺²⁰⁸At38.0%

²⁰⁴PoPolonium3.52 h

β⁺99.3%

α²⁰⁰Pb0.67%

²⁰⁴BiBismuth11.2 h

β⁺100.0%

²⁰⁴PbLeadSTABLE

6-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