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General periodicity.
Member rating: No Rating | Words: | Submitted: Mon Jun 28 2004
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Periodicity What is periodicity? Periodicity is the study of the trends in chemical and physical properties of the elements and their compounds relative to their positions in the periodic table. The periodic table has been developed over the last 150 years. The basic structure of the table is very closely related to our current understanding of the electronic structure of the elements. However, when the periodic table was first constructed (by Mendeleev, in the 1800's ), the electronic structure of the elements had not been devised. Instead, early forms of the periodic table relied on using the physical properties of the elements known at that time. It must have been a great revelation to the chemists from the early part of this century to realise that there really was such a strong correlation between chemical properties of the elements and their physical structure. The periodic table. An example of a periodic table is given below : The...
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