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Views: (854) Date: (31-08-09) Time: (00:35:53) |
Description: and the trends in the properties along the Periodic Table. And, of course, it's the electron configurations that allow us to understand the structure of the Periodic Table. But it is important to realize that the Periodic Table was first assembled by Mendeleev and other people, not on the basis of knowledge of the electron configurations, but on the basis of knowledge of the similar properties -- Similar chemical and physical properties of the elements. So, for example, lithium, sodium ...