2
Question
A compound is formed by elements A and B This crystallizes in the cubic
structure when atoms A are the corners of the cube and atoms B are at the
centre of the body. The simplest formula of the compounds is
[KCET 1993; CBSE PMT 2000; Kerala PMT 2002]
A compound is formed by elements A and B This crystallizes in the cubic
structure when atoms A are the corners of the cube and atoms B are at the
centre of the body. The simplest formula of the compounds is
[KCET 1993; CBSE PMT 2000; Kerala PMT 2002]
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Solution
The correct option is A AB
A atoms are at eight corners of the cube. Therefore, the number of A atoms
in the unit cell 
, atoms B per unit cell = 1. Hence the formula is AB.
AB
A atoms are at eight corners of the cube. Therefore, the number of A atoms
in the unit cell , atoms B per unit cell = 1. Hence the formula is AB.