In the metallic crystal

In a metallic crystal with hexagonal close-packed arrangement of N atoms, the numbers of tetrahedral and octahedral voids are T and O, respectively, then-

What are metallic crystals? Explain.

What are metallic crystals ?

Write a short note on metallic crystals.

Write a short note on metallic crystals.

Write a short note on metallic crystals.

Explain metallic crystals and their properties?

Draw the three cubic lattices of metallic crystals.