Which one of the following elements exhibit maximum number of valence electrons?
  1. Na
  2. Al
  3. Si
  4. P

AcademicChemistryNCERTClass 10

Correct answer: (d) P

Explanation: Phosphorus (P) has the maximum number of valence electrons.

As the Electronic configuration of P (15) : 2  8  5

Sodium (Na) has 1, Silicon has 4, and Aluminium (Al) has 3.

raja
Updated on 10-Oct-2022 13:19:20

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