What are the differences between modern periodic table and Mendeleev's periodic table?
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in modern periodic table we identify the element by its atomic no. but in mendeleev' periodic table we identify the element by its atomic mass
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The differences between modern periodic table and Mendeleev's periodic table are as follows-
1) Mendeleev's periodic table is based on atomic masses of elements that Modern Periodic Table is based on atomic numbers of elements
2) Mendeleev's periodic table does not tell us why elements in a group have similar chemical properties but the elements in a period you have different properties that Modern Periodic Table tell that the element in a group have similar chemical properties because they have similar configurations
3) Mendeleev's periodic table have the number of defects but there are no defects in the modern periodic table
1) Mendeleev's periodic table is based on atomic masses of elements that Modern Periodic Table is based on atomic numbers of elements
2) Mendeleev's periodic table does not tell us why elements in a group have similar chemical properties but the elements in a period you have different properties that Modern Periodic Table tell that the element in a group have similar chemical properties because they have similar configurations
3) Mendeleev's periodic table have the number of defects but there are no defects in the modern periodic table
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