element.nameElectron Panel Modal created by GPPT Lab86Atom NumberRnSymbolRadonNameNoble gasCategory18.0GroupGasPhaseDiscovered ByFriedrich Ernst Dorn1900Year222.018uAtomic Mass0.000kJ/molMolar Heat220.00Atomic Radius18.0Groupg/cm39.730Density6.0Period211.500°KBoil202.000°KMelt
Electrons>element.nameElectron shell created by GPPT Lab contact@gppt.tnRn86
Protons and Neutronselement.nameElectron shell created by GPPT Lab contact@gppt.tn86 neutron86 Proton
Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas, occurring naturally as a decay product of radium. Its most stable isotope, 222Rn, has a half-life of 3.8 days.