An atom at the corner of cubic unit cell is shared among:
A)six adjoining unit cells
B)four adjoining unit cells
C)eight adjoining unit cells
D)ten adjoining unit cells
E)twelve adjoining unit cells

Question

Quizplus · Accepted Answer

A corner atom is shared equally among eight adjoining unit cells. This is because it is at the intersection of three face diagonals, each shared by two unit cells (3*2 = 6), and also at the corner of the unit cell itself, for a total of 8.

An Atom at the Corner of Cubic Unit Cell Is