Place the following in order of decreasing radius. Te^2⁻ F^⁻ O^2⁻ A)F⁻ O²⁻ Te²⁻ B)F⁻ Te²⁻ O²⁻ C)Te²⁻ O²⁻ F⁻ D)Te²⁻ F⁻ O²⁻ E)O²⁻ F⁻ Te²⁻

Question

Place the following in order of decreasing radius. Te^2⁻ F^⁻ O^2⁻ A)F⁻ > O²⁻ > Te²⁻ B)F⁻ > Te²⁻ > O²⁻ C)Te²⁻ > O²⁻ > F⁻ D)Te²⁻ > F⁻ > O²⁻ E)O²⁻ > F⁻ > Te²⁻

Quizplus · Accepted Answer

The radius of an atom/ion decreases as we move from left to right on the periodic table and increases as we move down a group. Therefore, the order of decreasing radius is Te^2⁻ > O^2⁻ > F⁻. Among the given options, only option C has this order.

Place the Following in Order of Decreasing Radius