Question

In a unit cell atoms abc and d are present at corners , face centres, body centre and edge centres if atoms touching one of the plane

Answer 1

There are four body diagonals in a cube. As there are two atoms on each diagonal, there are a total of 4 x 2 = 8 atoms on the diagonals. These 8 atoms are within the body of the cubic unit cell and are not shared by other units.

Answer 2

Answer:

In a unit cell atoms A ,B, C and D are present at corners , face centres ... If atoms toucng one of the plane passing through two ... D atoms present at edge centres