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Ruthenium (Ru): Fun Facts and Information About the Element


What is the symbol? Ru
What is the atomic number? 44
What is the atomic weight? 101.07
What is the melting point in Celsius? 2250
What is the boiling point in Celsius? 3900
What is the density (g/cm3)? 12.37
What year was it discovered? 1844
Who discovered the element? Karl Karlovich Klaus
What group is the element in? 8
What is the electron configuration? [Kr] 4d7 5s1
What is the ionization energy? 7.3605
What element category is it in? Transition Elements

Where is Ruthenium Found?

Ruthenium occurs native with other members of the group in ores found in the Ural mountains and in North and South America. It is also found in small but commercial quantities in pentlandite in the Sudbury, Ontario nickel-mining region, and in the pyroxinite deposits of South Africa.

What is Ruthenium Used For?

The metal is isolated commercially by a complex chemical process, which yields a powder. The powder is consolidated by powder metallurgy techniques or by argon-arc welding.