Radon
Chemical, physical and material properties and data of the chemical element Radon.
General Information about Radon
Regular nameRadonChemical symbolRnOther namesSystematic nameHistorical namesName meaning, originDiscovery (year)OccurencePosition in the PSEGroup membership
Atomar Properties of Radon
Atomic number Z86 = number of protonsStandard Atomic Weight222.017577269
Electron configuration of Radon
| 1s | 2s | 2p | 3s | 3p | 3d | 4s | 4p | 4d | 4f | 5s | 5p | 5d | 5f | 6s | 6p | 6d | 6f | 7s | 7p |
|---|
| 2 | 2 | 6 | 2 | 6 | 10 | 2 | 6 | 10 | 14 | 2 | 6 | 10 | | 2 | 6 | | | | |
Abbreviated form: [Xe] 4f14 5d10 6s2 6p6 .
Ionization Energies of Radon
The following table lists the ionization energies IE (ionization potentials); the IE is the energy required in electron volts (eV) per atom to separate a given electron from an Radon atom.
Isotopic Data of Radon
An overview of the nuclides as well as the isotopic data and properties are listed on the following page: Radon isotopes.
Chemistry of Radon
Material and Physical Properties
Melting point- 71 °CEnthalpy of fusion (molar)3.247 kJ mol-1Boiling point- 61.7 °CEnthalpy of vaporization19.1 kJ mol-1Density9.73 g L -1 (0°C; 101.325 kPa; Rn-222)
External Data, Identifiers
CAS registry number10043-92-2InChI =1S/RnInChIKeySYUHGPGVQRZVTB-UHFFFAOYSA-NPubChem ID24857
Last update: 2022-12-28
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