What are the basic properties of Radon?
Radon (symbol: Rn) is a noble gas with atomic number 86. Its atomic mass is 222.0 u, and it belongs to period 6 and group 18.
Radon (Rn) Properties and Facts
Element 86 - Noble Gas
What is the electron configuration of Radon?
The electron configuration is: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 6s²
What are the physical properties of Radon?
Melting point: 202.0 K
Boiling point: 211.3 K
Density: 9.73 g/cm³
What are the known isotopes of Radon?
- Rn-211: Half-life of 14.6 hours
- Rn-220: Half-life of 55.6 seconds
- Rn-222: Half-life of 3.8 days
- Rn-224: Half-life of 1.8 hours
- Rn-226: Half-life of 54.4 seconds
What is the biological role and occurrence of Radon?
Biological role: Highly radioactive and toxic
Natural occurrence: Found in uranium and thorium ores