General Chemistry Question

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Arrange the following elements in order of increasing ionic radius.

Na^+ Mg^2+ S^2- Cl^-

thank you
 
Arrange the following elements in order of increasing ionic radius.

Na^+ Mg^2+ S^2- Cl^-

thank you

I think its:
Mg^2+<Na^+<Cl^-<S^2-

losing electrons means the protons are being pulled in tighter, due to z effective; while gaining electrons decreases the attractiveness of each electron to a proton. So the greater the positive charge, the smaller the nucleus
 
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