کتاب شیمی روتنیوم

دانلود کتاب شیمی روتنیوم

Ruthenium occupies a middle position of the d-block elements in the periodic table with atomic number 44 and atomic weight 101.07. It has extensive variation of isotopes, but key isotopes have mass 101, 102, and 104. Two of these isotopes, 99Ru and 101Ru, possess a nuclear spin of 5/2. The element ruthenium was first discovered by a Russian Chemist Karl Karlovich Klaus in 1844 while analyzing a residue of platinum ore from Ural Mountains. Its name was derived from Latin name of Russia as Ruthenia. It was partly in tribute to Klaus’s homeland and partly in recognition of the earlier efforts of Gottfried Osann, who had suggested the existence of new elements in these residues, one of which he had named ruthenium. It is a hard me

مشحصات فایل:
عنوان:   کتاب شیمی روتنیوم
نویسنده : Ajay Kumar Mishra Lallan Mishra
تعداد صفحات:    ۳۹۹
زبان:انگلیسی