in a face centred cubic arrangement of A and B atom a atom at corner - Chemistry - The Solid State

Question

in a face centred cubic arrangement of A and B atom a atom at
corner

Goutam Pradhan · Accepted Answer

Solution:Atoms of A are at corners of cube: 8×18=1Atoms of B are at face centres (One of B atom is missing from one of the face): 5×12=52       A     :      B       1            52Multiplying by 2      2             5Thus the simplest formula of compound is A2B5 [Option 3]