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the elements in the modern periodic table are arrange in the increasing order of their atomic numbers.
The mass of the elements
The periodic table
Mendeleev used atomic mass to arrange periodic table.He gave his model in 1869.
mendelev arranged the elements in the periodic table in the asending order of the mass number of elements.
Both arrange elements in groups of elements having similar properties.
Both arrange elements in groups of elements having similar properties.
The elements are arranged in what is called the periodic table.
atomic weight
Mendeleev arranged the elements in the periodic table according to their atomic masses.
Henry Moseley founded modern periodic table. He proved that atomic number is the fundamental property to arrange the elements.