[化學] 由晶體結構求實驗式?

看板TransBioChem作者 (Samantha)時間16年前 (2009/08/07 18:18), 編輯推噓0(002)
留言2則, 1人參與, 最新討論串1/1
可以請高手教我這題嗎, 真的謝謝>"< 以下 A compound contains two types of atoms, X and Y. It crystallizes in a cubic lattice with X atoms at corners and faces of the unit cells and Y atoms at the tetrahedral sites. The formuls of this compound is: (A)X8Y (B)X2Y (C)XY (D)XY2 (E)XY8 答案為(C) -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.135.84.229

08/07 20:15, , 1F
X---1/8*8+1/2*6=4
08/07 20:15, 1F

08/07 20:17, , 2F
Y---夾在角落一顆與面上3顆X的中間 共4顆
08/07 20:17, 2F
文章代碼(AID): #1AU_-AhL (TransBioChem)