General Information
| Symbol: | Rn |
| Atomic Number: | 86 |
| Atomic Weight: (Atomic Mass, Molar Mass) | (222) |
| Group: | 18 (noble gases or helium family/neon family) |
| VIII (Old IUPAC), VIIIA (CAS) |
| Period: | 6 |
| Block: | p |
Physical Properties
| Density: | 0.00973 g/cm3 |
| Atomic Volume: | 50.5 cm2/mole |
| Atomic Radius: | 1.34 angstroms |
| Covalent Radius: | 140 pm |
| Radioactive: | Yes |
States
| Melting Point: | -71.0 °C |
| Boiling Point: | -61.8 °C |
| Heat Of Fusion: | 2.9 kJ/mole |
| Heat Of Vaporization: | 16.4 kJ/mole |
Energy
| Electronegativity: | (Pauling Scale) |
| Electron Affinity: | kJ/mol |
| 1st Ionization Energy: | 1042 kJ/mol |
| Specific Heat Capacity: | 0.094 J g−1 K−1 |
| Thermal Conductivity: | 0.00364 W·m−1·K−1 |
Electrons & Oxidation
| Oxidation States: | 0 |
| Electrons Per Shell: | 2 8 18 32 18 8 |
| Electron Configuration: | [Xe] 4f14 5d10 6s2 6p6 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 |
History
| Discovered In: | 1900 |
| Discovered By: | Friedrich Ernst Dorn |
| Discovered At: | Germany |
| Word Origin: | Named after "the element radium" (radon was called niton at first, from the Latin word "nitens" meaning "shining" |
Translations
| English | Radon |
| Deutsch | Radon |
| Lëtzebuergesch | Radon |
| Nederlands | Radon |
| Afrikaans | Radon |
| Frysk | Radon |
| Dansk | Radon |
| Svenska | Radon |
| Norsk | Radon |
| Íslenska | Radon |
| Føroysk | Radon |
| Latin | Radon |
| Français | Radon |
| Español | Radón |
| Catalana | Radó |
| Occitana | Radon |
| Português | Rádon |
| Galego | Radon |
| Italiano | Radon |
| Furlan | Radon |
| Român | Radon |
| Moldavian | Radon |
| Armãneashte | Radon |
| Русский | Радон |
| Українска | Радон |
| by | Радон |
| Polska | Radon |
| Kaszëbsczi | Redón |
| Čech | Radon |
| Slovenský | Radon |
| Slovenščina | Radon |
| Hrvatska | Radon |
| Српски | Радон |
| Bosnian | Radon |
| Македонски | Радон |
| Български | Радон |
| Lietuviškai | Radonas |
| Lao | Radons |
| Sudovian | Radonan |
| Cymraeg | Radon |
| Gaeilge na hÉireann | Radón |
| Gàidhlig na h | Radon |
| Gaelg Vanninagh | Raadon |
| Cornish | Radon |
| Brezhoneg | Radon |
| Ελληνική | Ραδονιο |
| Shqip | Radon |
| Ossetian | Радон |
| Euskera | Radona |
| Georgian | რადონი |
| Suomi | Radon |
| Eesti | Radoon |
| Magyar | Radon |
| Türkçe | Radon |
| Kazakh | Радон |
| Uzbek | Радон |
| Tajik | Radon |
| Mongolian | Радон |
| 日本語 | ラドン [radon] |
| 中国话 | 氡 |
| ไทย | เรดอน |
| Vietnamese | Rađơn |
| Bahasa Melayu | Radon |
| العربيه | رادون |
| Il-Malti | Radon |
| עברית | רדון |
| Esperanto | Radono |
Links
Misspellings: eadon, dadon, fadon, tadon, 5adon, 4adon, rzdon, rsdon, rwdon, rqdon, rason, raxon, racon, rafon, raron, raeon, radin, radkn, radln, radpn, rad0n, rad9n, radob, radom, radoj, radoh, adon, rdon, raon, radn, rado, ardon, rdaon, raodn, radno, rradon, raadon, raddon, radoon, radonn
