Tungsten vs Rhenium
Pick up to 3 elements and see how they stack up.
| Property | Tungsten | Rhenium |
|---|---|---|
| Atomic number | 74 | 75 |
| Atomic mass | 183.84 | 186.21 |
| Electronegativity | 2.36 | 1.9 |
| Melting point | 3,695 K (3,421.8 °C) | 3,459 K (3,185.8 °C) |
| Boiling point | 6,203 K (5,929.8 °C) | 5,869 K (5,595.8 °C) |
| Density | 19.25 g/cm³ | 21.02 g/cm³ |
| Atomic radius | 210 pm | 217 pm |
| Ionization energy | 7.98 eV | 7.88 eV |
| Discovered | 1783 | 1925 |
| Category | Transition metal | Transition metal |
| State at room temp. | Solid | Solid |
| Block | d | d |
| Group | 6 | 7 |
| Period | 6 | 6 |
| Valence electrons | 2 | 2 |
| Common charges | +6 | +4, +6, +7 |
| Electron configuration | [Xe] 4f14 5d4 6s2 | [Xe] 4f14 5d5 6s2 |