Periodic Table/Polonium/²²⁶Po

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²²⁶Po

Polonium-226

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

84

Neutrons (N)

142

Mass Number (A)

226

Atomic Mass

226.040310AMU

Spin / Parity

0+

Binding E/A

7.425keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

Decay Chain

²²⁶PoPolonium?

β⁻

²²⁶AtAstatine?

β⁻

β⁻n²²⁵Rn

²²⁶RnRadon7.40 min

β⁻100.0%

²²⁶FrFrancium48.5 s

β⁻100.0%

²²⁶RaRadium1.60 ky

α100.0%

¹⁴C²¹²Pb2.60%

2β⁻²²⁶Th

²²²RnRadon3.82 d

α100.0%

²¹⁸PoPolonium3.10 min

α100.0%

β⁻²¹⁸At0.02%

²¹⁴PbLead27.1 min

β⁻100.0%

²¹⁴BiBismuth19.9 min

β⁻100.0%

α²¹⁰Tl0.02%

β⁻α²¹⁰Pb0.00%

²¹⁴PoPolonium163 μs

α100.0%

²¹⁰PbLead22.2 y

β⁻100.0%

α²⁰⁶Hg1.90%

²¹⁰BiBismuth5.01 d

β⁻100.0%

α²⁰⁶Tl13.2%

²¹⁰PoPolonium138 d

α100.0%

²⁰⁶PbLeadSTABLE

14-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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