Rn
Radon
Z = 86 · Noble Gas · 222.0 u
Nuclear Engineering Significance
Rn-222 (t₁/₂ = 3.82 d) is a decay product of Ra-226 in the U-238 chain. Radon is a significant indoor air quality and mining hazard. Not used in reactor systems but relevant in NORM and environmental assessments.
Basic properties
- Atomic number (Z)
- 86
- Standard atomic mass
- 222.0 u
- Category
- Noble Gas
Isotopes & cross-section data
No nuclide data for this element in the reference database.
The NRDP database focuses on nuclides relevant to reactor physics (fuels, moderators, structural materials, fission products, etc.). For full isotope data, see NNDC NuDat 3 or IAEA Nuclear Data Services.