Which ion has the largest radius? A) Na⁺ B) Ga³⁺ C) K⁺ D) Mg²⁺ E) Ca²⁺

Name: Which ion has the largest radius? A) Na + B) Ga 3+ C) K + D) Mg 2+ E) Ca 2+
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Quizplus · Accepted Answer

K⁺ has the largest radius because it is in the same period as Na⁺ but has more electron shells, and it is larger than the other ions which have higher positive charges and smaller ionic radii due to greater effective nuclear charge.

Which Ion Has the Largest Radius