1. Zinc, magnesium, cobalt, cadmium, antimony and bismuth
  2. Gamma-iron, aluminium, copper, lead, silver and nickel
  3. Alpha-iron, tungsten, chromium and molybdenum
  4. None of the above
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1 Answers

Answer: Option 1

The hexagonal closest packed (hcp) has a coordination number of 12 and contains 6 atoms per unit cell. and it is found in Zinc, magnesium, cobalt, cadmium, antimony and bismuth

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