Question
The coordination number of Y will be in the XY types of crystal (Crystal is sodium chloride)
- 6
- 8
- 12
- 4
Hint:
The coordination number represents the number of atoms that surround the particular structure.
The correct answer is: 6
- The coordination number of Y will be in the XY type of NaCl crystal is 6.
- Sodium chloride or NaCl has an fcc structure. The coordination number in this case is in the ratio of 6:6.
- NaCl is a cubic unit cell. It is considered as a face-centered cubic structure because it consists of an array of anions with an fcc cation lattice.
- Each sodium ion is surrounded by six chloride ions in a NaCl crystal, and each chloride ion is surrounded by six sodium ions. Therefore, the coordination number of NaCl will be 6:6 as defined.
The coordination number refers to the number of atoms that surround one other atom and vice versa.
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