| Attribute | Value |
|---|---|
| Symbol | Pt |
| Standard state | Solid |
| Atomic mass | 195.08 u |
| Electron configuration | [Xe]6s¹4f¹⁴5d⁹ |
| Oxidation states |
|
| Electronegativity (pauling scale) | 2.28 |
| Atomic radius (van der waals) | 209 pm |
| Ionization energy | 9 eV |
| Electron affinity | 2.128 eV |
| Melting point | 2041.55 K |
| Boiling point | 4098 K |
| Density | 21.46 g/cm³ |
| Atomic number | 78 |
| Group name | Transition metal |
| Discovered | 1735 year |