One of the following statements related to the conductivity is *not true* : A. Conductivity is a measure of the total amount of dissolved ions in water B. The conductivity measurement of deionized water is an indication of a low resistivity material. C. The Arrhenius dissociation theory assumes the degree of dissociation as the ratio of the molar conductivity to the limiting molar conductivity. D. The molar limiting conductivity is evaluated by the molar conductivity of an electrolyte at its zero concentration

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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.