ChemiPlus Logo
Dictionary - Training


 General | States | Energies | Oxidation & Electrons | Appearance & Characteristics | Reactions | Other Forms Radius | Conductivity | Abundance


Name: Radon Symbol: Rn
Group: Noble Gas Atomic weight: (222)
Density @ 293 K: 0.00973 g/cm3 Atomic volume: 50.5 cm3/mol
Group: Noble Gas discovered: 1900


state (s, l, g): g
melting point: 202.2 K boiling point: 211 K
Heat of fusion: 2.890 kJ/mol Heat of vaporization: 16.40 kJ/mol


1st ionization energy: 1037 kJ/mole
electronegativity: 2nd ionization energy: kJ/mole
electron affinity: kJ/mole 3rd ionization energy: kJ/mole
Specific heat: 0.09 J/gK heat atomization: 0 kJ/mole atoms

Oxidation & Electrons:

Shells: 2,8,18,32,18,8 electron configuration: [Xe] 4f14 5d10 6s2 6p6
minimum oxidation number: 0 maximum oxidation number: 0
min. common oxidation no.: 0 max. common oxidation no.: 0

Appearance & Characteristics:

structure: color: colorless
uses: earthquake prediction toxicity:
hardness: mohs characteristics: Radioactive,air pollutant


reaction with air: none
reaction with 6M HCl: none reaction with 6M HCl: none
reaction with 15M HNO3: none reaction with 6M NaOH: none

Other Forms:

number of isotopes: 0 hydride(s):
oxide(s): chloride(s):


ionic radius (2- ion): pm ionic radius (1- ion): pm
atomic radius: pm ionic radius (1+ ion): pm
ionic radius (2+ ion): pm ionic radius (3+ ion): pm


thermal conductivity: 0 J/m-sec-deg
electrical conductivity: 0 1/mohm-cm polarizability: 5.3 A^3


source: Synthetic(Ra-226 decay)
rel. abund. solar system: log abundance earth's crust: -12.4 log
cost, pure: $/100g cost, bulk: $/100g