| Symbol |
Rn |
|
| Atomic Number |
86 |
Relative Atomic Mass
12C = 12.0000 |
222.0176 (222Rn) |
Atomic Radius
pm |
n/a |
First Ionisation Energy
kJ mol-1 |
1040 |
| Electronegativity |
n/a |
Density
kg m-3 |
4400 [l., m.p.]
9.73 [g., 273 K] |
Molar Volume
cm3 |
50.5 [211 K] |
Thermal Conductivity
W m-1 K-1 |
0.00364 [300 K] (est.) |
Melting Point
K |
202 |
Boiling Point
K |
211.4 |
| Number of Isotopes |
28 |
Ground State Electron
Configuration |
[Xe]4f145d106s26p6 |
| Term Symbol |
1S0 |
| Discovery |
Discovered by F.E. Dorn (Halle, Germany) in 1900 |
| Name Derived From |
Named after radium |
Name in Other
Languages |
 Croatian | Radon |
 Danish | radon |
 Dutch | radon |
 Finnish | radon |
 French | radon |
 German | Radon |
 Italian | radon (emanio) |
 Norwegian | radon |
 Portuguese | rádon |
 Spanish | radón |
 Swedish | radon |
| Peter van der Krogt's Element Multidict - element name translations in over 48 langauges |
