試題詳解

83. Arrange the following isoelectronic species in order of increasing ionic radius.
(A)O^2-＞F^-＞Na⁺＞ Mg²⁺
(B) F^-＞O^2-＞ Mg²⁺＞ Na⁺
(C) Mg²⁺ ＞ O^2-＞ Na⁺＞ F^-
(D) Na⁺＞F^-＞Mg²⁺＞ O^2-
(E) Mg²⁺＞ Na⁺＞F^-＞O^2-