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  • Platinum is a chemical element with the chemical symbol Pt and an atomic number of 78.
  • Platinum has an atomic weight of 195.23, which gives it a density almost as great as gold.
  • Platinum appears silver-white and firm.
  • Platinum has a melting point of 2041.55 K (1768.4°C or 3215.1°F), boiling point of 4098 K (3825°C or 6917°F), specific gravity of 21.45 (20 °C).
  • Platinum is often called the “most precious metal” or the “rarest of the precious metals”.  
  • Platinum is a soft, dense, ductile metal that is very resistant to corrosion.
  • Platinum is considered to be non-toxic.
  • Platinum is a relatively rare, chemically inert, metallic element that is more valuable than gold.
  • In jewelry, typically 5% other metals are added to the platinum to make an alloy soft enough to set precious stones securely in the jewelry settings.
  • Platinum nanoparticles provide a route for the development of catalysts that use less platinum without sacrificing catalytic performance. 
  • Platinum is the most important of the group of elements called the platinum metals, the other members of which are ruthenium, rhodium, palladium, osmium, and iridium. 
  • Platinum is used in a variety of medical devices to treat heart disease, stroke, neurological disorders, chronic pain, and other life threatening conditions.
  • Common use for platinum is in the creation of autocatalysis for motor vehicles.
  • Platinum has become an important industrial metal.
  • As technology improves, platinum is finding a growing role in the electronics industry
  • Platinum was discovered by South American peoples who produced artifacts of a white gold-platinum alloy.


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