33. Nickel crystallizes in an fcc structure, with a unit cell edge length of 352 pm. What is the radius of the nickel atom, and the volume of 1 mol of nickel? (a) radius = 152 pm; volume of 1 mol = 13.1 cm (b) radius = 152 pm; volume of 1 mol = 26.2 cm³ (c) radius = 124 pm; volume of 1 mol = 6.57 cm³ %3D (d) radius = 124 pm; volume of 1 mol = 13.1 cm³ (e) radius = 124 pm; volume of 1 mol = 26.2 cm³

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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.