Periodic Table/Lead/¹⁸⁶Pb

← 185Pb187Pb →

¹⁸⁶Pb

Lead-186

Radioactive· Half-life: 4.82 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

82

Neutrons (N)

104

Mass Number (A)

186

Atomic Mass

185.984239AMU

Spin / Parity

0+

Binding E/A

7.580keV

Natural Abundance

Trace / None

Half-life

4.82 s

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

β⁺

α

40.0%

Decay Chain

¹⁸⁶PbLead4.82 s

α40.0%

β⁺¹⁸⁶Tl

¹⁸²HgMercury10.8 s

β⁺86.2%

α¹⁷⁸Pt13.8%

β⁺p¹⁸¹Pt1.00%

¹⁸²AuGold15.5 s

β⁺100.0%

α¹⁷⁸Ir0.13%

¹⁸²PtPlatinum2.67 min

β⁺0.96%

α¹⁷⁸Os0.04%

¹⁸²IrIridium15.0 min

β⁺100.0%

¹⁸²OsOsmium21.8 h

EC100.0%

¹⁸²ReRhenium2.67 d

β⁺100.0%

¹⁸²WTungstenSTABLE

8-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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