Periodic Table/Polonium/²²³Po

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²²³Po

Polonium-223

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

84

Neutrons (N)

139

Mass Number (A)

223

Atomic Mass

223.029070AMU

Spin / Parity

11/2+

Binding E/A

7.463keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

Decay Chain

²²³PoPolonium?

β⁻

²²³AtAstatine50.0 s

β⁻100.0%

α²¹⁹Bi

²²³RnRadon24.3 min

β⁻100.0%

α²¹⁹Po

²²³FrFrancium22.0 min

β⁻100.0%

α²¹⁹At0.01%

²²³RaRadium11.4 d

α100.0%

¹⁴C²⁰⁹Pb8.90%

²¹⁹RnRadon3.96 s

α100.0%

²¹⁵PoPolonium1.78 ms

α100.0%

β⁻²¹⁵At2.30%

²¹¹PbLead36.2 min

β⁻100.0%

²¹¹BiBismuth2.14 min

α100.0%

β⁻²¹¹Po0.28%

²⁰⁷TlThallium4.77 min

β⁻100.0%

²⁰⁷PbLeadSTABLE

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

← Back to PoloniumData: IAEA NDS · ENSDF