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Engineering Exams RRB-JE CS (Chemical Supervisor - Research) Technical Abilities 2025 22.04.25 Paper-2 Shift-2 Easy +1 -0.33
What is the number of the nearest neighbour atoms in contact with any atom in the BCC crystal?
Correct Answer: A. 8
Explanation: In a body-centered cubic (BCC) crystal structure, each atom is situated at the center of a cube defined by eight other atoms at the corners. Consequently, the central atom is in direct contact with these eight corner atoms, making the coordination number for a BCC lattice 8. This configuration represents the number of immediate neighbors surrounding any given atom within the crystal arrangement.
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