Estimate the length of the unit cell edge, a, from the atomic radius of Aluminum (1.43 Á). ΑΣφ cm Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Part D Calculate the density of Aluminum metal. 271 alem3 Ch. 2 - Chemistr.pdf * Ch. 2 Note Outlin.pdf

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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.