Match the type of packing given in Column I with the items given in Column II.
| Column I | Column II |
| A. Square close packing in two dimensions | 1. Triangular voids |
| B. Hexagonal close packing in two dimensions | 2. Pattern of spheres is repeated in every fourth layer |
| C. Hexagonal close packing in three dimensions | 3. Coordination number = 4 |
| D. Cubic close packing in three dimensions | 4. Pattern of sphere is repeated in alternate layers |
Codes
| A | B | C | D | |
| 1. | 3 | 2 | 4 | 1 |
| 2. | 1 | 2 | 3 | 4 |
| 3. | 3 | 1 | 4 | 2 |
| 4. | 4 | 1 | 3 | 2 |
