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In sodium chloride, the number of chloride ions surrounding each sodium ion is:
ANine
BSix
CTwo
DFour
Answer & Solution
Correct answer: B. Six
1. Each ion sits at the centre of a small box of neighbours.
2. One sits on each of its faces.
3. So six chloride ions surround it.
_Source: syllabus Science Class IX, Chapter 9, Atomic Foundations of Matter._
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