Platinum
Electron Configuration
|
General Properties
| Atomic Symbol | Pt |
| Atomic Weight | 195.09 g/mol |
| Element Number | 78 |
| Standard State | Solid |
| Standard Type | Stongly Basic |
| Date of Discovery | 1748 |
| Discoverer | De Ulloa |
Physical Properties
| Oxidation States | 4, 2 |
| Boiling Point | 4100 K |
| Melting Point | 2042.1 K |
| Density | 21.45 g/cm³ |
| Electron Configuration | [Xe]4f14,5d6,6s1 |
| Acid/Base Properties | Basic |
| Crystal Structure | Cubic, face centered |
| Electronegativity | 2.28 |
| Heat of Vaporization | 510.45 kJ/mol |
| Heat of Fusion | 19.66 kJ/mol |
| Electrical Conductivity | 9.4 10^6omg-¹cm-¹ |
| Thermal Conductivity | 71.6 Wm-¹K-¹ (at 300 K) |
| Specific Heat Capacity | 0.13 Jg-¹K-¹ (at 300 K) |
| First Ionization Potential | 9.0 |
| Atomic Volume | 9.10 cm³/mol |
| Atomic Radius | 1.39 Å |
| Covalent Radius | 1.30 Å |
| Synthetic | No |