Molecular formula :
nature : no fixed patterns known as solid, with the internal atom only with a couple of nanoscale nearly procedures but do not have the crystal far as procedures for the major structural features. And Crystalline differences lies in that amorphous Bond, bond angles, the distribution of atomic structure parameters, such as the median There were some statistical distribution, amorphous solid no fixed melting point, but there are a range of softening point. Amorphous solid major categories are random-type vitreous, metals and dense amorphous alloy system and random accumulation of organic polymer.
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