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KVPY2017ChemistryStructure of Atom

The metal ion with total number of electrons same as S² is

Options

  1. AN ^ a +
  2. BCa ²⁺
  3. CMg ²⁺
  4. DSr ²⁺

Correct answer

B. Ca ²⁺

Step-by-step solution

S ⁻² has 18 electrons & so Ca ⁺² ion are having

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