List the following ions in order of increasing radius: Na+, O 2−, Mg 2+, F −, Al 3+.
A) O 2− > Mg 2+ > F − > Na+ > Al 3+
B) Na+ < Mg 2+ < Al 3+ < O 2− < F −
C) O 2− < F − < Na+ < Mg 2+ < Al 3+
D) Al 3+ < Mg 2+ < Na+ < F − < O 2−
E) Na+ < Mg 2+ < Al 3+ < F − < O 2−
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