• Name: Platinum

  • Symbol: Pt

  • Number of Energy Levels: 6

  • Electrons on the outer energy level: 2

  • Atomic Number: 78

  • Atomic Mass: 192.217 Amu

  • Protons / Electrons: 77

  • Neutrons: 115

  • Density: 22.5 g/cm3

  • Classification: Transition Metal

Top 23 interesting facts about Platinum

  • Platinum was discovered in 1735 by Julius Scaliger. Its name derives from the Spanish word "platina" which means "little silver".
  • Platinum's melting point is at 1772.0 C (2045.15 K, 3221.6 F) and its boiling point is at 3827.0 C (4100.15 K, 6920.6 F).
  • Platinum is a dense, malleable, and ductile transition metal.
  • Platinum is the most ductile of pure metals.
  • Platinum is the least reactive metal.
  • Platinum is considered a noble metal.
  • Platinum is a precious metal.
  • Platinum is a gray-white metal.
  • Pure platinum is harder than pure iron.
  • Platinum does not oxidize.
  • Platinum is one of the rarest elements in Earth's crust.
  • Platinum is found naturally uncombined.
  • Platinum has five stable isotopes occurring naturally: 192-Pt, 194-Pt, 195-Pt (the most abundant), 196-Pt, and 198-Pt.
  • Platinum is found in alluvial deposits mostly in Colombia and Russia.
  • Platinum is also found in nickel and copper deposits as sulfides, tellurides, antimonides, and arsenides.
  • Platinum is found in important quantities in nickel ores in Canada.
  • Platinum is also found in cooperate ores in South Africa.
  • South Africa and Russia are the world's main producers of platinum.
  • The moon and meteorites contain large amounts of platinum.
  • Platinum is produced as a byproduct of nickel and copper production.
  • Platinum is mainly used in the production of vehicle emissions control devices and petroleum industry (as a catalyst), for jewelry production, electrodes, and anticancer drugs.
  • Watch makers (such as Rolex and many others) use platinum in their watches for its properties.
  • Platinum salts cause irritation to the eyes, nose, and throat.