Differentiate between the arrangement of elements in Mendeleev periodic table and modern periodic table?
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mendeleev periodic table is arranged on basis of atomic mass
mordern periodic table is arranged on basis of atomic number
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Mendeleev's periodic tableModern periodic table
Mendeleev's periodic table is based on atomic mass
Modern periodic table is based on atomic number
Mendaleev's periodic table contains about 66 elements.
Modern periodic table contains about 112 elements
In Mendeleev's periodic table there were gaps for undiscovered elements.
Modern periodic table maintains uniformity.
In Mendeleev's periodic table noble gases were not placed (as they are not discovered at that time).In Modern periodic table noble gases in a seperate group named as group-18.In Mendeleev's periodic table transition elements included with other elementsIn Modern periodic table transition elements placed in separate block.
hope it helps you
Mendeleev's periodic tableModern periodic table
Mendeleev's periodic table is based on atomic mass
Modern periodic table is based on atomic number
Mendaleev's periodic table contains about 66 elements.
Modern periodic table contains about 112 elements
In Mendeleev's periodic table there were gaps for undiscovered elements.
Modern periodic table maintains uniformity.
In Mendeleev's periodic table noble gases were not placed (as they are not discovered at that time).In Modern periodic table noble gases in a seperate group named as group-18.In Mendeleev's periodic table transition elements included with other elementsIn Modern periodic table transition elements placed in separate block.
hope it helps you
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