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NEETChemistryClassification of Elements and Periodicity in Properties

The statement(s) that are correct about the species ( O ²⁻, F ⁻, Na ⁺ )and ( Mg ²⁺ ). (A) All are isoelectronic (B) All have the same nuclear charge (C) ( O ²⁻ ) has the largest ionic radii (D) ( Mg ²⁺ ) has the smallest ionic radii Choose the most appropriate answer from the options given below :

Options

  1. A(B), (C) and (D) only
  2. B(C) and (D) only
  3. C(A), (C) and (D) only
  4. D(A), (B), (C) and (D)

Correct answer

C. (A), (C) and (D) only

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