SrO has a face-centered cubic unit cell in which the 02- anions occupy corners and face centers, while the cations fit into the hole between adjacent anions. What is the radius of Sr2+ if the ionic radius of 02- is 140.0 pm and the density of SrO is 4.700 g/cm

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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.