作者ClairLi (Samantha)
看板TransBioChem
标题[化学] 由晶体结构求实验式?
时间Fri Aug 7 18:18:46 2009
可以请高手教我这题吗,
真的谢谢>"<
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
答案为(C)
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 220.135.84.229
1F：→ catlin0917:X---1/8*8+1/2*6=4 08/07 20:15
2F：→ catlin0917:Y---夹在角落一颗与面上3颗X的中间 共4颗 08/07 20:17