MENDELEEV'S PERIODIC LAW
In 1869 , D.I Mendeleev , a Russian chemist discovered an empirical law of classification of elements known as periods of Newland Law of Octaves.This is known as periodic law and stated as :
" The physical and chemical properties of elements are the periodic functions of their atomic weighs."
The Mendeleev periodic law includes 63 elements which are arranged in the order of their increased atomic weights in seven horizontal lines called Periods and eight vertical columns known as Groups.
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