A certain metal, with an atomic weight of 52 g/mol, has a density of 7.19 g/cm³ and a unit cell with an edge length of 289 pm. What is its unit cell structure? a. SC b. BCC c. FCC d. None of the choices

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Crystal Lattices and Unit Cell

Consider a crystal. The regular and repeating pattern of constituent particles is the most distinguishing feature of crystalline solids. A crystal lattice is formed when these particles are replaced with representative points. The three-dimensional arrangement of constituent particles is known as a crystal lattice. Unit cell is that the smallest portion of a space lattice which when repeated in several directions, generate the whole lattice. Unit cell is a building block of a lattice. It is the smallest unit of cell.