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Sodium chloride, NaCl usually crystallizes in a face centred cubic lattice. How many ions are in contact with any single Na+ ion?

Sodium chloride, NaCl usually crystallizes in a face centred cubic lattice. How many ions are in contact with any single Na+ ion?

Grade:11

2 Answers

Arun
25750 Points
3 years ago
NaCl have ccp or fcc arrangement. Each Na+ ion octahedrally surrounded by 6 Cl- ions similarly each Cl- ion octahedrally surrounded by 6 Na+ ions. FCC means face centered cubic and CCP means cubic closed packing structure of NaCl.
Vikas TU
14149 Points
3 years ago
Four sodium ions and four chloride ions are present in a unit cell of sodium chloride crystal. Chloride ions form cubic closed packing (ccp) arrangement and sodium ions occupy octahedral sites. There are 8 chloride ions at 8 corners of a cube and 6 chloride ions at 6 face centres

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