If the atoms touching one of the 2-fold, 3-fold and 4-fold axis of symmetry are removed , then formula of compound is _____

Atoms A,B,C and D are present at corners , face centres, body-centre and edge-centres respectively. If atoms touching one of the 2-fold axis, 3-fold axis and 4-fold axis are removed, then total number of atoms remaining per unit cell is x + 1/4 . Find x .

Atoms A,B,C, D are present at corners , face-centres , body-centres and edge-centres respectively (a)If the atoms touching all the rectangular planes of symmetry are removed, then what is the formula of the compound ? (b)If body centre is at origin and the atoms present in (or touching) first octant are removed, then what is the formula of the compound ?

In a unit cell, atoms A, B, C and D are present at corners, face - centres, body - centre and edge - centres respectively. If atoms touching one of the plane passing through two diagonally opposite edges are removed, then formula of compound is

In a unit cell, atoms A, B, C and D are present at corners, face - centres, body - centre and edge - centres respectively. If atoms touching one of the plane passing through two diagonally opposite edges are removed, then formula of compound is

In a unit cell, atoms A,B,C and D are present at corners, face-centres, body-centre and edge-centres respectively. If atoms touching one of the plane passing through two diagonally opposite edges are removed, then formula of compound is:

What is meant by n-fold axis of symmetry?

The molecule having three fold axid of symmetry is :