Se
Selenium
Z = 34 · Nonmetal · 79.0 u
Nuclear Engineering Significance
Minor fission product. Se-79 (t₁/₂ = 327,000 y) is a long-lived fission product relevant to spent fuel repository performance assessments. Not otherwise significant in reactor operations.
Basic properties
- Atomic number (Z)
- 34
- Standard atomic mass
- 79.0 u
- Category
- Nonmetal
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.