Allied & ICAR Exam Bank • ALLIED_2299 NAT • 2 Marks

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

In a body-centered cubic (BCC) crystal lattice, what is the coordination number of the central atom?

Answer Key:

8

Step-by-Step Solution & Explanation

The central atom in a BCC cell touches the 8 corner atoms: coordination number = 8.
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