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Name: Platinum
Symbol: Pt
Number of Energy Levels: 6
Electrons on the outer energy level: 1
Atomic number: 78
Atomic Mass: 195.078 Amu (Atomic Mass Units)
Protons/Electrons: 78
Neutrons: 117
Density: 21.45 g/cm3
Classification: Transition Metal

Platinum | Chemical elements

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).

Top 21 interesting facts about Platinum

  1. Platinum is a dense, malleable, and ductile transition metal.
  2. Platinum is the most ductile of pure metals.
  3. Platinum is the least reactive metal.
  4. Platinum is considered a noble metal.
  5. Platinum is a precious metal.
  6. Platinum is a gray-white metal.
  7. Pure platinum is harder than pure iron.
  8. Platinum does not oxidize.
  9. Platinum is one of the rarest elements in Earth’s crust.
  10. Platinum is found naturally uncombined.
  11. Platinum has five stable isotopes occurring naturally: 192-Pt, 194-Pt, 195-Pt (the most abundant), 196-Pt, and 198-Pt.
  12. Platinum is found in alluvial deposits mostly in Colombia and Russia.
  13. Platinum is also found in nickel and copper deposits as sulfides, tellurides, antimonides, and arsenides.
  14. Platinum is found in important quantities in nickel ores in Canada.
  15. Platinum is also found in cooperate ores in South Africa.
  16. South Africa and Russia are the world’s main producers of platinum.
  17. The moon and meteorites contain large amounts of platinum.
  18. Platinum is produced as a byproduct of nickel and copper production.
  19. 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.
  20. Watch makers (such as Rolex and many others) use platinum in their watches for its properties.
  21. Platinum salts cause irritation to the eyes, nose, and throat.

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