Periodic Table/Lead/²¹⁷Pb

← 216Pb218Pb →

²¹⁷Pb

Lead-217

Radioactive· Half-life: 19.9 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

82

Neutrons (N)

135

Mass Number (A)

217

Atomic Mass

217.013162AMU

Spin / Parity

9/2+

Binding E/A

7.526keV

Natural Abundance

Trace / None

Half-life

19.9 s

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

β⁻

100.0%

Decay Chain

²¹⁷PbLead19.9 s

β⁻100.0%

²¹⁷BiBismuth1.64 min

β⁻100.0%

²¹⁷PoPolonium1.53 s

α97.5%

β⁻²¹⁷At2.50%

²¹³PbLead10.2 min

β⁻100.0%

²¹³BiBismuth45.6 min

β⁻97.9%

α²⁰⁹Tl2.09%

²¹³PoPolonium3.71 μs

α100.0%

²⁰⁹PbLead3.23 h

β⁻100.0%

²⁰⁹BiBismuth20100000000 Gy

α100.0%

²⁰⁵TlThalliumSTABLE

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

Other Isotopes of Lead

178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220

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