The atom of an element has electronic configuration 2, 8, 7. To which of the following elements would it be chemically similar?
  1. N (7)
  2. P (15)
  3. Na (11)
  4. F (9)


Correct Answer: (d) F (9)

Explanation: The element would be chemically similar to F (9) as it has the same number of valence electrons. the electronic configuration of F is 2,7.

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Updated on: 10-Oct-2022

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