Periodic Table/Radon/¹⁹⁷Rn

← 196Rn198Rn →

¹⁹⁷Rn

Radon-197

Radioactive· Half-life: 54.0 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

86

Neutrons (N)

111

Mass Number (A)

197

Atomic Mass

197.001621AMU

Spin / Parity

3/2-

Binding E/A

7.499keV

Natural Abundance

Trace / None

Half-life

54.0 ms

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

α

100.0%

β⁺

Decay Chain

¹⁹⁷RnRadon54.0 ms

α100.0%

β⁺¹⁹⁷At

¹⁹³PoPolonium399 ms

α100.0%

β⁺¹⁹³Bi

¹⁸⁹PbLead39.0 s

β⁺99.6%

α¹⁸⁵Hg0.42%

¹⁸⁹TlThallium2.30 min

β⁺100.0%

¹⁸⁹HgMercury7.60 min

β⁺100.0%

α¹⁸⁵Pt

¹⁸⁹AuGold28.7 min

β⁺100.0%

α¹⁸⁵Ir3.00%

¹⁸⁹PtPlatinum10.9 h

β⁺100.0%

¹⁸⁹IrIridium13.2 d

EC100.0%

¹⁸⁹OsOsmiumSTABLE

9-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Radon

193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231

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