587Periodic Classification of Elements
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چکیده
Same is the story with chemical elements. A large number of elements and compounds are known today. But a systematic classification of these elements has made their study possible and easy. The well organized and tabulated classification of elements, as we know it today, is called the periodic table. It not only helps to locate, identify and characterize the element and its properties but also points out the directions in which new investigations is made.
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