Periodic Table/Radon/²⁰⁷Rn

← 206Rn208Rn →

²⁰⁷Rn

Radon-207

Radioactive· Half-life: 9.25 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

86

Neutrons (N)

121

Mass Number (A)

207

Atomic Mass

206.990730AMU

Spin / Parity

5/2-

Binding E/A

7.576keV

Natural Abundance

Trace / None

Half-life

9.25 min

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

β⁺

79.0%

α

21.0%

Decay Chain

²⁰⁷RnRadon9.25 min

β⁺79.0%

α²⁰³Po21.0%

²⁰⁷AtAstatine1.81 h

β⁺90.0%

α²⁰³Bi10.0%

²⁰⁷PoPolonium5.80 h

β⁺100.0%

α²⁰³Pb0.02%

²⁰⁷BiBismuth31.2 y

β⁺100.0%

²⁰⁷PbLeadSTABLE

5-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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