Ruthenium Definition

ro͝o-thēnē-əm
noun
A rare, very hard and brittle, silver-gray chemical element, one of the platinum metals, used as a hardener in alloys of platinum and palladium and as a catalyst: symbol, Ru; at. no. 44
Webster's New World
Synonyms:
  • atomic number 44
  • ru

Origin of Ruthenium

  • From Medieval Latin Ruthenia Russia from Ruthenī Russians from Russian Rusin from Old Russian Rusĭ Russian Russian

    From American Heritage Dictionary of the English Language, 5th Edition

  • Ruthenia + -ium

    From Wiktionary

Ruthenium Sentence Examples

  • Pure ruthenium tetroxide distils over.

  • Ruthenium in bulk resembles platinum in its general appearance, and has been obtained crystalline by heating an alloy of ruthenium and tin in a current of hydrochloric acid gas.

  • Several oxides of ruthenium have been described, the definite existence of some of which appears to be doubtful.

  • Fusion with caustic potash converts it into a mixture of potassium ruthenate and ruthenium sesquioxide, Ru 2 0 3, which is a black, almost insoluble powder.

  • The peroxide, Ru04, is formed when a solution of potassium ruthenate is decomposed by chlorine, or by oxidizing ruthenium compounds with potassium chlorate and hydrochloric acid, or with potassium permanganate and sulphuric acid.

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Words Starting With

RRURUT

Words Ending With

MUMIUM

Unscrambles

ruthenium

Words Starting With R and Ending With M

Starts With R & Ends With MStarts With RU & Ends With MStarts With R & Ends With UM

Word Length

9 Letter Words9 Letter Words Starting With R9 Letter Words Ending With M