Ncert Exercises & Solutions

The number of tetrahedral voids per unit cell in NaCl crystal is -

I. 4

II. 8

III. Twice the number of octahedral voids

IV. Four times the number of octahedral voids.

The correct choice among the given is-

1. (I, II)

2. (II, III)

3. (III, IV)

4. (I, IV)