how did mendeleev organize his periodic table
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he arranged them according to their mass
later it was modified by a scientist that by atomic no
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mendeleev arranged the elements in increasing relative atomic mass , he noted that chemical properties of elements and compounds showed a periodic trend . he arranged 63 elements than know in the table in the basis of similarities in properties , if elements are arranged in order of increasing atomic mass than those with similar properties are repeated at regular intervals , on the basis on periodic law mendeleev present his classification in the form of table known as mendeleev periodic table
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