Periodic Table/Polonium/²¹⁹Po

← 218Po220Po →

²¹⁹Po

Polonium-219

Radioactive· Half-life: 10.3 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

84

Neutrons (N)

135

Mass Number (A)

219

Atomic Mass

219.013614AMU

Spin / Parity

9/2+

Binding E/A

7.517keV

Natural Abundance

Trace / None

Half-life

10.3 min

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

β⁻

71.8%

α

28.2%

Decay Chain

²¹⁹PoPolonium10.3 min

β⁻71.8%

α²¹⁵Pb28.2%

²¹⁹AtAstatine56.0 s

α93.6%

β⁻²¹⁹Rn6.40%

²¹⁵BiBismuth7.62 min

β⁻100.0%

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

8-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