Periodic Table/Polonium/²¹⁵Po

← 214Po216Po →

²¹⁵Po

Polonium-215

Radioactive· Half-life: 1.78 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

84

Neutrons (N)

131

Mass Number (A)

215

Atomic Mass

214.999418AMU

Spin / Parity

9/2+

Binding E/A

7.569keV

Natural Abundance

Trace / None

Half-life

1.78 ms

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

α

100.0%

β⁻

2.3%

Decay Chain

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

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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