Periodic Table/Polonium/¹⁹⁷Po

← 196Po198Po →

¹⁹⁷Po

Polonium-197

Radioactive· Half-life: 53.6 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

84

Neutrons (N)

113

Mass Number (A)

197

Atomic Mass

196.985622AMU

Spin / Parity

3/2-

Binding E/A

7.588keV

Natural Abundance

Trace / None

Half-life

53.6 s

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

β⁺

α

44.0%

Decay Chain

¹⁹⁷PoPolonium53.6 s

α44.0%

β⁺¹⁹⁷Bi

β⁺

¹⁹³TlThallium21.6 min

β⁺100.0%

¹⁹³HgMercury3.80 h

β⁺100.0%

¹⁹³AuGold17.6 h

β⁺100.0%

α¹⁸⁹Ir

¹⁹³PtPlatinum50.0 y

EC100.0%

¹⁹³IrIridiumSTABLE

7-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