Q. A crystalline solid _.
Solution:
A crystal or crystalline solid is a solid material whose constituents are arranged in a highly ordered microscopic structure , forming a crystal lattice that extends in all directions .
Crystalline solids have well – defined edges and faces , diffract x-rays , and tend to have sharp melting points . In contrast , amorphous solids have irregular or curved surfaces , do not give well – resolved x-ray diffraction patterns , and melt over a wide range of temperatures .
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