Periodic Table/Lead/¹⁷⁸Pb

179Pb →

¹⁷⁸Pb

Lead-178

Radioactive· Half-life: 250 μs

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

82

Neutrons (N)

96

Mass Number (A)

178

Atomic Mass

178.003836AMU

Spin / Parity

0+

Binding E/A

7.455keV

Natural Abundance

Trace / None

Half-life

250 μs

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

α

100.0%

β⁺

Decay Chain

¹⁷⁸PbLead250 μs

α100.0%

β⁺¹⁷⁸Tl

¹⁷⁴HgMercury2.00 ms

α100.0%

β⁺¹⁷⁴Au

¹⁷⁰PtPlatinum13.9 ms

α100.0%

β⁺¹⁷⁰Ir

¹⁶⁶OsOsmium213 ms

α83.0%

β⁺¹⁶⁶Re17.0%

¹⁶²WTungsten1.19 s

α45.2%

β⁺¹⁶²Ta

¹⁵⁸HfHafnium2.85 s

β⁺55.7%

α¹⁵⁴Yb44.3%

¹⁵⁸LuLutetium10.6 s

β⁺99.1%

α¹⁵⁴Tm0.91%

¹⁵⁸YbYtterbium1.49 min

β⁺100.0%

α¹⁵⁴Er0.00%

¹⁵⁸TmThulium3.98 min

β⁺100.0%

¹⁵⁸ErErbium2.29 h

EC100.0%

¹⁵⁸HoHolmium11.3 min

β⁺100.0%

α¹⁵⁴Tb

¹⁵⁸DyDysprosiumSTABLE

12-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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