1.3 Classification of solid

Solid are of two types

1.       Crystalline solid

2.       Amorphous solid

Crystalline solid: - A solid substance in which atom molecule or ion regular arrange on their three dimensional figure is called crystalline solid.

Ex:- sodium chloride , graphite and diamond, etc.

Amorphous solid  :- a solid  substance in which atom molecule or ion irregular arrange on three-dimensional figure that is called amorphous solid.

Ex:- glass, rubber, plastic , all polymer ,etc.