Rank the following ions in order of decreasing atomic radii: Te^2-,Te⁴⁺,Te⁶⁺. A)Te^2- Te⁴⁺ Te⁶⁺ B)Te⁶⁺ Te⁴⁺ Te^2- C)Te⁴⁺ Te^2- Te⁶⁺ D)Te^2- Te⁶⁺ Te⁴⁺ E)Te⁴⁺ Te⁶⁺ Te^2-

Question

Rank the following ions in order of decreasing atomic radii: Te^2-,Te⁴⁺,Te⁶⁺. A)Te^2- > Te⁴⁺ > Te⁶⁺ B)Te⁶⁺ > Te⁴⁺ > Te^2- C)Te⁴⁺ > Te^2- > Te⁶⁺ D)Te^2- > Te⁶⁺ > Te⁴⁺ E)Te⁴⁺ > Te⁶⁺ > Te^2-

Quizplus · Accepted Answer

Atomic radius decreases with increasing positive charge due to increased nuclear pull on electrons. Thus, a negatively charged ion will be largest, and a more positively charged ion will be smaller.

Rank the Following Ions in Order of Decreasing Atomic Radii