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Manipal MET2013ChemistryClassification of Elements and Periodicity in Properties

Screening effect is not observed in

Options

  1. AHe ⁺
  2. BLi ²⁺
  3. CBe ³⁺
  4. Dall cases

Correct answer

D. all cases

Step-by-step solution

He ⁺, Li ²⁺ and Be ³⁺ each has one electron, hence no screening.

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