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Question

Chloride ion and potassium ion are isoelectronic. Then

  1. Potassium ion is relatively bigger  
  2. Depends on the other cation and anion   
  3. Their size are same  
  4. Chloride ion is bigger than potassium ion  

The correct answer is: Chloride ion is bigger than potassium ion


    Chloride ion and potassium ion are isoelectronic, isoelectronic ions are those ions having same number of electrons.
    K equals 28 comma 81K to the power of plus end exponent equals 28 comma 8
    C l equals 28 comma 7C l equals 28 comma 8

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