For $Na^{+}$,$Mg^{2+}$,$F^{-}$,and $O^{2-}$; the correct order of increasing ionic radii is

  • A
    $Mg^{2+} < Na^{+} < F^{-} < O^{2-}$
  • B
    $Na^{+} < Mg^{2+} < F^{-} < O^{2-}$
  • C
    $Mg^{2+} < Na^{+} < O^{2-} < F^{-}$
  • D
    $Mg^{2+} < O^{2-} < Na^{+} < F^{-}$

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