Periodic Table/Uranium/²¹⁷U

← 216U218U →

²¹⁷U

Uranium-217

Radioactive· Half-life: 850 μs

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

92

Neutrons (N)

125

Mass Number (A)

217

Atomic Mass

217.024660AMU

Spin / Parity

1/2-

Binding E/A

7.417keV

Natural Abundance

Trace / None

Half-life

850 μs

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

α

100.0%

β⁻

Decay Chain

²¹⁷UUranium850 μs

α100.0%

β⁻²¹⁷Np

²¹³ThThorium144 ms

α100.0%

β⁺²¹³Ac

²⁰⁹RaRadium4.71 s

α100.0%

β⁺²⁰⁹Fr

²⁰⁵RnRadon2.83 min

β⁺75.4%

α²⁰¹Po24.6%

²⁰⁵AtAstatine26.9 min

β⁺90.0%

α²⁰¹Bi10.0%

²⁰⁵PoPolonium1.74 h

β⁺100.0%

α²⁰¹Pb0.04%

²⁰⁵BiBismuth14.9 d

β⁺100.0%

²⁰⁵PbLead17.0 My

EC100.0%

²⁰⁵TlThalliumSTABLE

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

Other Isotopes of Uranium

215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243

← Back to UraniumData: IAEA NDS · ENSDF