Platinum (Pt)
Precious Metals | Atomic Number: 78
Basic Properties
Pt
78
195.084 g/mol
| Element Category | Precious Metals |
|---|---|
| Atomic Number | 78 |
| Atomic Weight | 195.084 g/mol |
| Crystal Structure | Face-centered cubic (FCC) |
Crystal Structure Visualization
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Description
Platinum is a dense, malleable precious metal highly resistant to corrosion and valued for catalytic applications.
| Density | 21.45 g/cm³ |
|---|
| Tensile Strength | 125-240 MPa |
|---|---|
| Hardness | 4-4.5 Mohs |
| Melting Point | 1768°C |
|---|---|
| Boiling Point | 3825°C |
| Thermal Conductivity | 71.6 W/(m·K) |
| Electrical Conductivity | 9.43 × 10^6 S/m |
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| Corrosion Resistance | Excellent (highly resistant to corrosion) |
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Applications
Catalytic converters, jewelry, laboratory equipment, electronics, dental work
Production Methods
Mining, refining from copper or nickel ores
History
Discovered by Spanish conquistadors in South America, named in the 18th century