Periodic Table/Polonium/¹⁸⁶Po

187Po →

¹⁸⁶Po

Polonium-186

Radioactive· Half-life: 34.0 μs

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

84

Neutrons (N)

102

Mass Number (A)

186

Atomic Mass

186.004403AMU

Spin / Parity

0+

Binding E/A

7.465keV

Natural Abundance

Trace / None

Half-life

34.0 μs

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

α

100.0%

p

Decay Chain

¹⁸⁶PoPolonium34.0 μs

α100.0%

p¹⁸⁵Bi

¹⁸²PbLead55.0 ms

α100.0%

β⁺¹⁸²Tl

¹⁷⁸HgMercury266 ms

α89.0%

β⁺¹⁷⁸Au

¹⁷⁴PtPlatinum862 ms

α74.9%

β⁺¹⁷⁴Ir

¹⁷⁰OsOsmium7.37 s

β⁺90.5%

α¹⁶⁶W9.50%

¹⁷⁰ReRhenium?

β⁺100.0%

¹⁷⁰WTungsten2.42 min

β⁺100.0%

¹⁷⁰TaTantalum6.76 min

β⁺100.0%

¹⁷⁰HfHafnium16.0 h

EC100.0%

¹⁷⁰LuLutetium2.01 d

β⁺100.0%

¹⁷⁰YbYtterbiumSTABLE

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

Other Isotopes of Polonium

186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227

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