Difference between revisions of "Radon"
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Latest revision as of 10:25, 21 October 2008
| Radon | |
|---|---|
| Rn | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 86 |
| Atomic mass: | [222] |
| group: | 18 |
| period: | 6 |
| normal phase: | Gas |
| series: | Noble gases |
| density: | 9.73 g/L |
| melting point: | 202K, -71.15°C, -96°F |
| boiling point: | 211.3K, -61.85°C, -79.1°F |
| I ← Xe → N/A | |
| At ← Rn → Fr | |
| Uus ← Uuo → N/A | |
| Atomic radius (pm): | |
| Bohr radius (pm): | 120 |
| Covalent radius (pm): | 145 |
| Van der Waals radius (pm): | |
| ionic radius (pm): | - |
| 1st ion potential (eV): | 10.75 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6 6d1 7s2 | |
| Electrons Per Shell | |
| 2, 8, 18, 32, 18, 8 | |
| Electronegativity: | |
| Electron Affinity: | Unstable anion |
| Oxidation states: | 0 |
| Magnetism: | Nonmagnetic |
| Crystal structure: | Face centered cubic |
Radon is a Noble gas in group 18.
It has a Face centered cubic crystalline structure.
It does not have any isotopes considered to be natural. Its longest-lived known isotope has an atomic number of 222.
This element has no stable isotopes.
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