Radon

Symbol | Rn
Latin name | Radon
Atomic number | 86
Period | 6
Element category | Noble gases
Relative atomic mass | 222.0176
Group | VIII.A
Oxidation numbers | 2
Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6
Density [g/cm3] | 0.00919
State | Gas
Melting point [°C] | -71
Boiling point [°C] | -61.8
Critical point [°C] | 104
Critical pressure [MPa] | 6.28
Atomic radius [pm] | 120
Covalent radius [pm] | 145
Thermal conductivity [W m-1K-1] | 0.00364
Heat capacity [J K-1g-1] | 0.094
Discovery | 1900
1.st ionization energy [eV] | 10.7485
Stable isotopes | 0
Unstable isotopes | 20