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For other uses, see Radon (disambiguation). 86 astatine ← radon → francium Xe ↑ Rn ↓ Uuo periodic table General Name, Symbol, Number radon, Rn, 86 Chemical series noble gases Group, Period, Block 18, 6, p Appearance colorless Atomic mass (222) g/mol Electron configuration [Xe] 4f14 5d10 6s2 6p6 Electrons per shell 2, 8, 18, 32, 18, 8 Physical properties Phase gas Melting point 202 K (-71 °C, -96 °F) Boiling point 211.3 K ...
Wikipedia - [full article]
Radon Organizations
- Medline Plus http://medlineplus.gov/
- National Cancer Institute http://www.nci.nih.gov/
- National Institutes of Health http://www.nih.gov/
- National Center for Infectious Diseases
- Environmental Protection Agency
- National Institute of Environmental Health Sciences http://www.niehs.nih.gov/
- Agency for Toxic Substances and Disease Registry

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