Question

what is crystal lattice and unit cell

Answer 1

The symmetrical three-dimensional arrangement of atoms inside a crystal is called Crystal Lattice.

The smallest group of atoms which has the overall symmetry of a crystal, and from which the entire lattice can be built up by repetition in three dimensions is known as Unit Cell.

Answer 2

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unit cell::::::----------


THERE IS A BASIC UNIT IN AN IONIC CRYSTALwhich When Repeated Three Dimensional Lee Gives Complete Crystal The Basic Unit Is Called As Unit Cell