The arrange these ions in order of increasing ionic radius

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The question is: Arrange these ions in order of increasing ionic radius, starting from the smallest first? N^3- , O^2-, Mg ^2+ , Na+ , F- I have been told the answer is the following: 1. N^3- (Nitrogen) 2. Mg^2 (Magnesium) 3. Na+ (Sodium) 4. F- (Fluorine) 5. 0^2- (Oxygen) However, I do not quite understand why. Could someone explain?

Reference no: EM13334351

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