阿摩線上測驗
10.KBr crystallizes in a cubic unit cell with Br ions on each corner and each face. How
many 
ions and 
ions are in each unit cell of KBr?
(A) 1 
ion and 1 
ion
(B) 2 
ions and 2 
ions
(C) 4 
ions and 4 
ions
(D) 8 
ions and 8 
ions
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統計： A(0), B(1), C(9), D(0), E(0) #2740021
統計： A(0), B(1), C(9), D(0), E(0) #2740021
