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Which one of the following ions is not iso-electronic with F ⁻ ?

Options

  1. AO ²⁻
  2. BNa ⁺
  3. CNe
  4. DN ⁻

Correct answer

D. N ⁻

Step-by-step solution

Iso electronic species have same number of electrons Total number of electrons in F ⁻ is 9 whereas total number of electrons in N ⁻ is 8 .

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