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86
Rn
222
Radon |
Appearance & Characteristics | Reactions |
Other Forms Radius | Conductivity | Abundance
General:
| 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 |
States
| State (s, l, g): gas | |
| Melting point: 202.2 K | Boiling point: 211 K |
| Heat of fusion: 2.890 kJ/mol | Heat of vaporization: 16.40 kJ/mol |
Energies
| 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 |
Reactions
| Reaction with air: none | |
| Reaction with 6 M HCl: none | Reaction with 6 M HCl: none |
| Reaction with 15 M HNO3: none | Reaction with 6 M NaOH: none |
Other Forms
| Number of isotopes: 0 | Hydride(s): |
| Oxide(s): | Chloride(s): |
Radius
| 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 |
Conductivity
| Thermal conductivity: 0 J/m-sec-deg | |
| Electrical conductivity: 0 1/mohm-cm | Polarizability: 5.3 A^3 |
Abundance
| Source: Synthetic(Ra-226 decay) | |
| Rel. abund. solar system: log | Abundance earth's crust: -12.4 log |
| cost, pure: $/100g | cost, bulk: $/100g |
