MCQ
Periodic classification of elements can be done on the basis of electronic configuration and is used to examine the :
  • A
    Periodic trends in physical properties of elements.
  • B
    Periodic trends in chemical properties of elements.
  • Both $(a)$ and $(b).$
  • D
    None of the above.

Answer

Correct option: C.
Both $(a)$ and $(b).$

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