Which of the following is not true about the ionic solids?
1. | Bigger ions form the close packed structure |
2. | Smaller ions occupy either the tetrahedral or‘the octahedral voids depending upon their size |
3. | Occupation of all the voids is not necessary |
4. | The fraction of octahedral or tetrahedral voids occupied depends upon the radii of the ions occupying the voids |
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