Question

a face center cubic cell consists of how many atoms?explain​

Answer 1

Answer:

4

Explanation:

There are 8 spheres at eight corners of cube. Only eighth portion of sphere is included in the cube

Hence 1/8*8=1

Additionally

Spheres are at centres of each face and cube have total 6 faces

At the centre half portion of sphere is included in cube. Hence

1/2*6=3

So total no. Of atoms =1+3 =4

See the diagram in the attachment

Answer 2

Answer:

4

Explanation:

There are 8 spheres at eight corners of cube. Only eighth portion of sphere is included in the cube

Hence 1/8*8=1

Additionally

Spheres are at centres of each face and cube have total 6 faces

At the centre half portion of sphere is included in cube. Hence

1/2*6=3

So total no. Of atoms =1+3=4