Which of the following is a HCP metal?

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Multiple Choice

Which of the following is a HCP metal?

Explanation:
Metals can crystallize in different packing arrangements, and hexagonal close-packed (HCP) is one such structure where atoms stack in a hexagonal ABAB pattern with each atom typically coordinated by 12 neighbors. Among common metals, beryllium adopts the HCP structure, while aluminum and copper crystallize as face-centered cubic, and iron is body-centered cubic at room temperature. Therefore, the metal with the HCP arrangement in this set is beryllium.

Metals can crystallize in different packing arrangements, and hexagonal close-packed (HCP) is one such structure where atoms stack in a hexagonal ABAB pattern with each atom typically coordinated by 12 neighbors. Among common metals, beryllium adopts the HCP structure, while aluminum and copper crystallize as face-centered cubic, and iron is body-centered cubic at room temperature. Therefore, the metal with the HCP arrangement in this set is beryllium.

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