The unit cells
A. Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal
B. Have the same orientation and their similar faces are parallel
C. May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice
D. All of the above
Answer: Option D
Solution (By Examveda Team)
1.The unit cells Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal2. The unit cells Have the same orientation and their similar faces are parallel
3. The unit cells May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice

metal is made up of crystalline structure (space lattice or bravis lattice ) in which unit cell are arranged .