Sodium (Na) is a soft, highly reactive alkali metal belonging to Group 1 of the periodic table. It is rarely used in bulk form for structural applications due to its extreme reactivity with moisture and oxygen, but instead serves critical roles in chemical synthesis, heat transfer systems, and specialized metallurgical processes. Engineers select sodium primarily for its exceptional thermal conductivity and low density in niche applications such as liquid-metal cooling systems in fast breeder reactors, and as a reducing agent or catalyst in industrial chemistry rather than as a conventional engineering material.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 8.736 | GPa | — | ||
| ↳ | 7.730 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.7005 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.3230 | - | — | ||
| ↳ | 0.3600 | - | — | ||
Shear Modulus(G)2 entries | 3.507 | GPa | — | ||
| ↳ | 3.860 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 1.005 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 119.3 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | 0.03589 | eV/atom | — |