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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 (Ru), chemical element, one of the platinum metals of Groups 8–10 (VIIIb), Periods 5 and 6, of the periodic table, used as an alloying agent to harden platinum and palladium Silver-gray ruthenium metal looks like platinum but is rarer, harder, and more brittle
  • Ruthenium - Element information, properties and uses | Periodic Table
    Element Ruthenium (Ru), Group 8, Atomic Number 44, d-block, Mass 101 07 Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images
  • Facts About Ruthenium - Live Science
    Ruthenium is a member of the platinum group It is a hard, white transition metal It does not tarnish at room temperatures but oxidizes explosively It can be attacked by halogens and
  • Ruthenium | History, Uses, Facts, Physical Chemical Characteristics
    Ruthenium is a rare metal It is ranked as the seventy-fourth most abundant element and is present around 100 parts per trillion in the Earth’s crust The elemental or free form of ruthenium is very rare Mostly, ruthenium is present in minerals and ores, especially with platinum, in minute amounts
  • Ruthenium or Ru Element Facts - ThoughtCo
    Ruthenium or Ru is a hard, brittle, silvery-white transition metal that also belongs to the noble metals and platinum metals group in the periodic table While it does not readily tarnish, the pure element can form a reactive oxide that can explode
  • Ruthenium (Ru) - Definition, Preparation, Properties, Uses, Compounds . . .
    Discover the fascinating world of Ruthenium, a versatile and rare transition metal that plays a pivotal role in modern technology and industrial applications This complete guide offers an in-depth look into Ruthenium’s unique properties, exploring its various uses from electronics to catalysis
  • 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] It is one of the precious metals, belonging to the platinum family that also includes rhodium, palladium, osmium, and iridium [20, 26]
  • 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
  • Periodic Table of Elements: Los Alamos National Laboratory
    Ruthenium is a hard, white metal and has four crystal modifications It does not tarnish at room temperatures, but oxidizes explosively It is attacked by halogens, hydroxides, etc Ruthenium can be plated by electrodeposition or by thermal decomposition methods





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