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Questions
How many chloride ions are surrounding sodium ions in sodium chloride crystal?
How many chloride ions are there around sodium ions in sodium chloride crystal?
Options
4
8
6
12
3
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Solution
6
Explanation:
In the sodium chloride (NaCl) crystal structure, each Na+ ion is octahedrally surrounded by 6 Cl− ions, and vice versa. This gives NaCl a coordination number of 6 : 6.
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