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Which of the following metals has a Hexagonal closed packed structure?

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Which of the following metals has a Hexagonal closed packed structure?

(a) Cadmium

(b) Magnesium

(c) Zirconium

(d) Cadmium, magnesium, and zirconium

I got this question by my school principal while I was bunking the class.

The question is from Materials in chapter Materials of Corrosion Engineering

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The correct choice is (d) Cadmium, magnesium, and zirconium

Easiest explanation: Crystal structures are classified into 14 different types known as Bravais lattice based on the shape of the unit cell and position of atoms in it. Cadmium, magnesium, zirconium, titanium, zinc, and beryllium are examples of hexagonal closed packed structures.

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