The periodic Table
coloured by Discovery
coloured by States
Constants, Astronomy
Constants, Physics
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by Peder Axensten

Rn


in WebElements
in X-Ray info 		Rn, 86
radon (English)
radon, m. (French)
Radon, n. (German)
radon (Russian)
radon (Swedish)

Symbol, numberRn, 86 (noble gas), Group: 18; 8A
Weight222
In Nature
Discovered1900, by F.E. Dorn (Germany)
Density  [kg/m3]4400 [211 K] (liquid)   9.73 [273 K] (gas)   
Molar volume50.5 [211 K] cm3
Melting Temperature202 K   (-71 °C)   Enthalpy: 18.1 kJ/mol
Boiling Temperature211.4 K   (-61.6 °C)   Enthalpy: 2.7 (calc.) kJ/mol
ThermalConductivity: 0.00364 [300 K] (calc.) (gas) W/Km     
Ionisation [kJ/mol]
  M-->  M+--> M2+--> M3+--> M4+--> M5+--> M6+--> M7+--> M8+--> M9+-->M10+
Thermodynamics
State DfH° DfG° S° CpH H°298.15-H°0
[kJ/mol] [J/Kmol] [kJ/mol]
Isotopes
Mass In nature Half-life Spin m/mN NMM Decay
Rn