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3 Written questions

3 Multiple choice questions

  1. [SCN]⁻
  2. [FO₂]⁻
  3. [NH₄]⁺

3 True/False questions

  1. borate[FO₃]⁻

          

  2. fluorate[FO₂]⁻

          

  3. selenate[SeO₄]²⁻