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Question

Give limitations of Modern periodic table.

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Solution

Limitations of the modern periodic table:

  • Uncertainty regarding the position of hydrogen whether it should be placed in the IA group or VIIA group.​
  • No place for isotopes of elements in the Modern periodic table.
  • Lanthanides and Actinides are kept separately under the table not kept within the Modern periodic table.
  • The modern periodic table could not explain the cause of periodicity, or separation of similar elements. Some dissimilar elements have been placed together.


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