Periodic Table/Radon/²⁰⁴Rn

← 203Rn205Rn →

²⁰⁴Rn

Radon-204

Radioactive· Half-life: 1.24 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

86

Neutrons (N)

118

Mass Number (A)

204

Atomic Mass

203.991444AMU

Spin / Parity

0+

Binding E/A

7.565keV

Natural Abundance

Trace / None

Half-life

1.24 min

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

α

72.4%

β⁺

Decay Chain

²⁰⁴RnRadon1.24 min

α72.4%

β⁺²⁰⁴At

²⁰⁰PoPolonium11.5 min

β⁺88.9%

α¹⁹⁶Pb11.1%

²⁰⁰BiBismuth36.4 min

β⁺100.0%

²⁰⁰PbLead21.5 h

EC100.0%

²⁰⁰TlThallium1.09 d

β⁺100.0%

²⁰⁰HgMercurySTABLE

6-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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