The unit cell of a crystal is defined by three vectors a, b, and c, which are mutually perpendicular and a ≠ b ≠ c. The crystal structure is……………a.Tetragonalb.Triclinicc.Orthorhombicd.Monoclinic

What kind of crystal structure is formed by the three repeating rhombohedral unit cells in a systematic manner? A. Diamond like structure B. Hexagonal structure C. Tetragonal structure D. Monoclinic structure

The crystallographic plane of the cubic crystal structure shown in the figure is……………a.(101)b.(011)c.(111)d.(110)

What is a three-dimensional structure that represents the alternating pattern of particles in an ionic bond?Aa crystal latticeBa covalent bondCa polyatomic ionDa formula unit

. Co-ordination number of a crystalline solid is:a) Number of particles in the unit cellb) Number of nearest neighbours of a particlec) Number of octahedral voids in a unit celld) Number of tetrahedral voids in a unit cell

Which type of crystal is composed of repeating units of nonpolar molecules held together by weak intermolecular forces?Select one:a.covalent crystalb.molecular crystalc.ionic crystald.metallic crystal