Periodic Table/Polonium/¹⁹⁰Po

← 189Po191Po →

¹⁹⁰Po

Polonium-190

Radioactive· Half-life: 2.45 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

84

Neutrons (N)

106

Mass Number (A)

190

Atomic Mass

189.995102AMU

Spin / Parity

0+

Binding E/A

7.524keV

Natural Abundance

Trace / None

Half-life

2.45 ms

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

α

100.0%

β⁺

Decay Chain

¹⁹⁰PoPolonium2.45 ms

α100.0%

β⁺¹⁹⁰Bi

¹⁸⁶PbLead4.82 s

α40.0%

β⁺¹⁸⁶Tl

¹⁸²HgMercury10.8 s

β⁺86.2%

α¹⁷⁸Pt13.8%

β⁺p¹⁸¹Pt1.00%

¹⁸²AuGold15.5 s

β⁺100.0%

α¹⁷⁸Ir0.13%

¹⁸²PtPlatinum2.67 min

β⁺0.96%

α¹⁷⁸Os0.04%

¹⁸²IrIridium15.0 min

β⁺100.0%

¹⁸²OsOsmium21.8 h

EC100.0%

¹⁸²ReRhenium2.67 d

β⁺100.0%

¹⁸²WTungstenSTABLE

9-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