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KVPY2015ChemistryChemical Bonding and Molecular Structure

O ⁻² is isoelectronic with

Options

  1. AZn ²⁺
  2. BMg ²⁺
  3. CK ⁺
  4. DNi ²⁺

Correct answer

B. Mg ²⁺

Step-by-step solution

O ²⁻ ; Total electron =10 Mg ²⁺ ; Total electron =10

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