Periodic Table/Polonium/²⁰¹Po

← 200Po202Po →

²⁰¹Po

Polonium-201

Radioactive· Half-life: 15.6 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

84

Neutrons (N)

117

Mass Number (A)

201

Atomic Mass

200.982264AMU

Spin / Parity

3/2-

Binding E/A

7.613keV

Natural Abundance

Trace / None

Half-life

15.6 min

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

β⁺

98.9%

α

1.1%

Decay Chain

²⁰¹PoPolonium15.6 min

β⁺98.9%

α¹⁹⁷Pb1.13%

²⁰¹BiBismuth1.72 h

β⁺100.0%

²⁰¹PbLead9.33 h

β⁺100.0%

²⁰¹TlThallium3.04 d

EC100.0%

²⁰¹HgMercurySTABLE

5-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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