Q102 · CSIR NET Chemistry, December 2016
Paper: CSIR NET December 2016 · Subject: Physical Chemistry · Chapter: Solid State Chemistry · Topic: Solid State Chemistry – General · Marks: 2 · Difficulty: Easy
Each void in a two dimensional hexagonal close-packed layer of circles is surrounded by
(a)six circles
(b)three circles
(c)four circles
(d)twelve circles
Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
In a hexagonal close-packed layer every void is a triangular hole bounded by three touching circles.
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