試題詳解

10. Place the following in order of increasing radius. Ca2⁺ S2⁻ Cl⁻
(A) Ca2⁺ ＜ Cl⁻＜ S2⁻
(B) Cl⁻ ＜ Ca2⁺ ＜ S2⁻
(C) S2⁻ ＜ Cl⁻ ＜ Ca2⁺
(D) Ca2⁺ ＜ S2⁻＜ Cl⁻