• Name: Ruthenium

  • Symbol: Ru

  • Number of Energy Levels: 5

  • Electrons on the outer energy level: 1

  • Atomic Number: 44

  • Atomic Mass: 101.07 Amu

  • Protons / Electrons: 44

  • Neutrons: 57

  • Density: 12.2 g/cm3

  • Classification: Transition Metal

Top 10 interesting facts about Ruthenium

  • Ruthenium was discovered in 1844 by Karl Klaus. Ruthenium's name derives from the Latin word "Ruthenia" which means "Russia".
  • Ruthenium's melting point is at 2250.0 C (2523.15 K, 4082.0 F) and its boiling point is at 3900.0 C (4173.15 K, 7052.0 F).
  • Ruthenium is a hard white metal.
  • Ruthenium is part of platinum group; therefore it is inert to most chemicals.
  • Ruthenium is attacked by halogens (at high temperatures) but it is not attacked by acids.
  • Ruthenium is a component of platinum ores and it is also obtained as a by-product of nickel and cooper mining.
  • Twenty tones of Ruthenium are produced annually.
  • Ruthenium is used in production of wear-resistant electrical contacts, thick-film resistors, and platinum alloys.
  • Ruthenium has seven stable isotopes occurring naturally.
  • Ruthenium is the 74th most abundant element on Earth and it is mainly found in the Ural Mountains, South Africa, and in North and South America.