口诀
发表于 2025-3-23 09:50:16
Textbook 1991Latest editionucture, preparation and handling of the elements and their compounds. The book is at all times applications oriented, with information on the industrial relevance of compounds, case studies of particularly interesting compounds and the tools of this study, such as spectroscopy.
知识分子
发表于 2025-3-23 17:07:05
The lanthanides,contained erbium, holmium, thulium and ytterbium (Cleve, Marignac, 1878–80). Similarly, Mosander’s separation of ‘didymium’ from lanthanum was later eclipsed by its separation into samarium, europium, neodymium and praseodymium.
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