ruthenium

listen to the pronunciation of ruthenium
الإنجليزية - الإنجليزية
a metallic chemical element (symbol Ru) with an atomic number of 44
a rare polyvalent metallic element of the platinum group; it is found associated with platinum
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
See Platinum metals, under Platinum
Atomic weight 103
Specific gravity 12
{i} (Ru) rare metallic chemical element (Chemistry)
ruthenium

    الواصلة

    ru·the·ni·um

    النطق

    فيديوهات

    ... maybe like one or two tons of ruthenium ...
    ... But they used ruthenium tantalum oxide. ...
المفضلات