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試卷名稱：114年 - 114 台灣聯合大學系統_碩士班招生考試_化學類：綜合化學#127011
年份：114年
科目：研究所、轉學考(插大)◆綜合化學
13. One ionic crystal structure contains two ions, 
. 
ions occupy the face-centered cubic lattice points, and 
ions occupy all the tetrahedral holes. Which statement is invalid?
(A) The ionic radius
of 
is larger than the ionic radius 
.
(B) The coordination numbers of 
and F- are 12 and 8 respectively.
(C) The relation between the edge length a of the unit cell and 
is equivalent to a * √3/4 = 
.
(D) There are 4 
ions and 8 F- ions in a unit cell.
(E) The empirical formula of the ionic crystal structure is CaF2.
