What is the coordination number of face centered cubic structure?

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OSSC Soil Conservation Extension Worker Official Paper II 11 Feb 2022
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  1. 12
  2. 4
  3. 8
  4. 6

Answer (Detailed Solution Below)

Option 1 : 12

Detailed Solution

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The correct answer is 12.

Key Points

  • The coordination number in a face-centred cubic (fcc) structure is 12.
  • In an fcc structure, each atom is surrounded by 12 equidistant neighbouring atoms.
  • The coordination number is defined as the number of nearest neighbours of an atom.
  • Face-centred cubic structures are common in metals like aluminium, copper, and gold.
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