Question

In a cubic lattice,the corner atoms are A-type, the face center is B-type, C-type is at body center.then the simplest formula of the compound is
a)AB3C
b)A7B24C
c)ABC
d)ABC3

Answer 1

Explanation:

Number of atoms of

′

A

′

=8×

8

1

=1

Number of atoms of

′

B

′

=5×

2

1

=

2

5

A:B=1:

2

5

=2:5

Formula of the solid =A

2

B

5