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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