Ne
Neon
Z = 10 · Noble Gas · 20.2 u
Nuclear Engineering Significance
Noble gas with very low thermal absorption (σ_a ≈ 0.04 b). Present in air; occasionally used as cover gas or in gas-filled detectors. Not significant in reactor core materials.
Basic properties
- Atomic number (Z)
- 10
- Standard atomic mass
- 20.2 u
- Category
- Noble Gas
Isotopes & cross-section data
View in ALLEN →| Isotope | Mass (A) | Half-life | ZAID | Libraries | σ(E) |
|---|---|---|---|---|---|
| Ne-20 | 20 | Stable | .80c.71c.70c | View → | |
| Ne-21 | 21 | Stable | .80c.71c.70c | View → | |
| Ne-22 | 22 | Stable | .80c.71c.70c | View → |