Expensive Metals: Rh, Pt, Pd, Re

There are several metals that are more expensive than gold, including:

  1. Rhodium: Rhodium is currently the most expensive metal in the world. It is a rare, silvery-white, hard, and corrosion-resistant metal. The reason for its high price is its scarcity, as it is only found in small quantities in platinum or nickel ores. It is also in high demand for its use in catalytic converters and in the production of electronic components.
  2. Platinum: Platinum is a dense, malleable, and ductile metal that is also resistant to corrosion. It is often used in jewelry, dental work, and in the production of catalytic converters. The reason for its high price is its rarity, as it is only found in a few places around the world.
  3. Palladium: Palladium is a silvery-white metal that is used in catalytic converters, electronics, and in the production of jewelry. The reason for its high price is its rarity, as it is only found in a few places around the world.
  4. Rhenium: Rhenium is a silvery-white, rare, dense, and high-melting metal. It is used in high-temperature applications, such as jet engines and in the production of semiconductors. The reason for its high price is its scarcity and the difficulty of extracting it from its ores.

Overall, the prices of metals are determined by supply and demand, rarity, extraction and production costs, and their applications.

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