Browse Articles By Category: Химия
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Rhodium (Rh) — élément n°45, métal précieux du groupe des métaux de platine, découvert par William Wollaston. Il possède une haute activité catalytique et est utilisé dans les catalyseurs automobiles, la joaillerie et l'industrie chimique.
Catalog: Химия 
28 days ago · From Армения Онлайн
Ruthénium (Ru) — élément n°44, métal platine, découvert par le professeur de l'Université de Kazan Karl Klaus en 1844 et nommé en l'honneur de la Russie. Histoire de la découverte, propriétés uniques et applications.
Catalog: Химия 
28 days ago · From Армения Онлайн
Couleur de la neige
Catalog: Химия 
140 days ago · From Армения Онлайн
Recette Coca-Cola
Catalog: Химия 
193 days ago · From Армения Онлайн
 

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