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ruthenium    
n. 钌

钌

ruthenium
n 1: a rare polyvalent metallic element of the platinum group;
it is found associated with platinum [synonym: {ruthenium},
{Ru}, {atomic number 44}]

Ruthenium \Ru*the"ni*um\, n. [NL. So named from the Ruthenians,
a Little Russian people, as coming from Russia, the metal
having been found in the Ural mountains.] (Chem.)
A rare element of the light platinum group, found associated
with platinum ores, and isolated as a hard, brittle
steel-gray metal which is very infusible. Symbol Ru. Atomic
weight 103.5. Specific gravity 12.26. See {Platinum metals},
under {Platinum}.
[1913 Webster]


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  • Ruthenium - Wikipedia
    Ruthenium is a chemical element; it has symbol Ru and atomic number 44 It is a rare transition metal belonging to the platinum group of the periodic table Like the other metals of the platinum group, ruthenium is unreactive to most chemicals
  • Ruthenium | Chemical Element, Catalysts, Alloys | Britannica
    Ruthenium, chemical element, one of the platinum metals of Group 810 (VIIIb), Periods 5 and 6, of the periodic table, used as an alloying agent to harden platinum and palladium
  • Ruthenium - Element information, properties and uses | Periodic Table
    Ruthenium is one of the rarest metals on Earth It is found uncombined in nature; however, it is more commonly found associated with other platinum metals in the minerals pentlandite and pyroxinite
  • Ruthenium | History, Uses, Facts, Physical Chemical Characteristics
    Ruthenium was discovered in 1884 and is member of the platinum family It is a rare metal and widely in electrical industry and in making alloys
  • Ruthenium Facts, Symbol, Discovery, Properties, Uses
    A transition metal, ruthenium (pronounced as roo-THE-nee-em) is denoted by the chemical symbol Ru [1] Its abundance in the earth’s crust is estimated to be 1×10 -7 % [19]
  • What is Ruthenium? Facts, Properties, and Applications Explained
    Known to be a rare metal, ruthenium (Ru) is a chemical element with an atomic number of 44 and an atomic weight of 101 07 It belongs to the platinum metals and was discovered in 1844 by Karl Ernst Claus, a Russian chemist who found this new metal while analyzing platinum minerals
  • Ruthenium Element Facts - chemicool. com
    Ruthenium is a very rare, hard, lustrous, brittle, silvery-white metal that does not tarnish at room temperature Typical of transition metals, ruthenium can exist in many oxidation states, its most common being the oxidation states II, III and IV The metal is unaffected by air, water and acids
  • Ruthenium Facts - Ru or Atomic Number 44 - Science Notes and Projects
    Ruthenium (Ru or atomic number 44) is a transition metal that belongs to the platinum group on the periodic table It has remarkable hardness, resistance to corrosion, and versatility in various industrial applications
  • Ruthenium | Ru (Element) - PubChem
    Ruthenium is a hard, white metal and has four crystal modifications It does not tarnish at room temperatures, but oxidizes explosively
  • Ruthenium or Ru Element Facts - ThoughtCo
    Ruthenium is a hard, brittle metal, commonly used in alloys and known for its corrosion resistance Ruthenium's discovery dates back to 1844 by Karl Klaus, and its name comes from the Latin word for Russia





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