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The atomic radius, VEC, Pauling electronegativity, and Melting Temperature for refractory elements [54].
| Element | Radius (Å) | VEC | Pauling Electronegativity |
Melting Temperature (Kelvin) |
|---|---|---|---|---|
| Cr | 1.249 | 6 | 1.66 | 2180 |
| Hf | 1.578 | 4 | 1.3 | 2506 |
| Mo | 1.363 | 6 | 2.16 | 2896 |
| Nb | 1.429 | 5 | 1.6 | 2750 |
| Re | 1.375 | 7 | 1.9 | 3459 |
| Ta | 1.43 | 5 | 1.5 | 3290 |
| Ti | 1.462 | 4 | 1.54 | 1941 |
| V | 1.316 | 5 | 1.63 | 2183 |
| W | 1.367 | 6 | 2.36 | 3695 |
| Zr | 1.603 | 4 | 1.33 | 2128 |
