Question

A compound formed by elements A and B crystallises in cubic structure in which A atoms are at the corners of the cube while B atoms are at the centre of cubic. Formula of the compound is
A. AB
B. `AB_(2)`
C. `A_(2)B`
D. `AB_(4)`

Answer 1

Correct Answer - A
A atoms are at eight cornersof the cube. Therefore, the number of A atoms in the unit
cell `=(8)/(8)=1` ,
Atoms B per unit cell = 1.
Hence, the formula is AB.