Question

modern periodic table takes care of three limitations of mendeleev's periodic table. what were those​

Answer 1

Anomalous Pairs In Mendeleev Periodic Table some Elements which have higher atomic Weights placed Before lower atomic weight just because similarity Between them In Chemical Properties. Position of Hydrogen Not Specific Position of Hydrogen in Table. Positions of Isotopes No position of Isotopes of a element in Table.

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Answer 2

Answer:

Limitations of Mendeleev's Periodic Table: This law states that the physical and chemical properties of the elements are the periodic function of their atomic masses.

Modern Periodic Law of element may be defined as the Physical and chemical properties of the elements are periodic functions of their atomic numbers. It means, when the elements are arranged in the order of their increasing atomic numbers.