differentiate between crystalline and amorphous substances in answer
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crystalline 1.These are long rang order forces. 2.They have sharp melting point. Amorphous 1.these are short range order forces. 2.they have no sharp melting point
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Crystalline Substances=
Definite characteristic geometrical shape
Melt at a sharp and characteristic
temperature
When cut with a sharp edged tool, they
split into two pieces and the newly
generated surfaces are plain and
smooth
They have a definite and characteristic
heat of fusion
Anisotropic in nature
True solids
Long range order
Amorphous substances=
Irregular shape
Gradually soften over a range of
temperature
When cut with a sharp edged tool, they
cut into two pieces with irregular
surfaces
They do not have definite heat of fusion
Isotropic in nature
Pseudo solids or super cooled liquids
Only short range order
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