Platinum vs Gold
Pick up to 3 elements and see how they stack up.
| Property | Platinum | Gold |
|---|---|---|
| Atomic number | 78 | 79 |
| Atomic mass | 195.08 | 196.97 |
| Electronegativity | 2.28 | 2.54 |
| Melting point | 2,041.4 K (1,768.2 °C) | 1,337.33 K (1,064.2 °C) |
| Boiling point | 4,098 K (3,824.8 °C) | 3,243 K (2,969.8 °C) |
| Density | 21.45 g/cm³ | 19.3 g/cm³ |
| Atomic radius | 209 pm | 166 pm |
| Ionization energy | 9 eV | 9.226 eV |
| Discovered | 1735 | Ancient |
| Category | Transition metal | Transition metal |
| State at room temp. | Solid | Solid |
| Block | d | d |
| Group | 10 | 11 |
| Period | 6 | 6 |
| Valence electrons | 1 | 1 |
| Common charges | +2, +4 | +1, +3 |
| Electron configuration | [Xe] 4f14 5d9 6s1 | [Xe] 4f14 5d10 6s1 |