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Chemistry: Periodic Table and More (0 words) |
 | Periodic Table first discovered in 1869 by Dmitry I. Mendeleyev is a way of presenting all the elements so as to show their similarities and differences. |
| The number of electrons in outer shell is the same as the number of the group (e.g. |
| The block of elements between groups II and III are called transition metals. |
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Periodic Table - Search View - MSN Encarta (1213 words) |
| Periodic Table, table of the chemical elements arranged to illustrate patterns of recurring chemical and physical properties. |
| The periodic table has been published in various shapes and sizes, but the most commonly used modern form begins with a column of group 1 metals on the left-hand side, followed by a column of group 2 alkaline earth metals. |
| His version of the table was the first to accommodate all the known elements and also successfully predicted the existence of several elements that had not yet been discovered. |
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