Q. What were the fundamental properties of elements
on which Mendeleev made his Periodic table.
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He arranged the elements on the basis of their fundamental property, the atomic mass, physical properties and chemical properties
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the classification of elements made by newland on basis of atomic mass was continued by mendeleev.
it states that"the properties of the elements are periodic functions of their atomic masses".
Characteristics of mendeleev's periodic table:
- the vertical columns in the periodic table are called groups.
- there are 8groups . these are numbered as I,II,III,IV,V,VI,VII&VIII.
- each of group from I&VII were divided into subgroups A&B.Thus,there were 15 vertical columns that constituted 8groups.
- the horizontal rows in the periodic table are called periods.there are7 period s.
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