Which of the following isoelectronic species has the largest radius? A) Ne B) F- C) Mg²⁺ D) Na⁺ E) O₂^-

Name: Which of the following isoelectronic species has the largest radius? A) Ne B) F- C) Mg 2+ D) Na + E) O 2 -
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Isoelectronic species have the same number of electrons. The species with the least nuclear charge (protons) will have the largest radius due to less effective nuclear attraction on the electrons. O₂^- has the least nuclear charge among the given options.

Which of the Following Isoelectronic Species Has the Largest Radius