Page 142 - MATERIAL SCIENCE AND ENGINEERING PART 1
P. 142

Identify the crystalline material in


                             the following material.




                                Inert

                                monoatomic

                                gases have


                                no regular                         Ar                      H      O      H

                                ordering of

                                atoms.                                                 Some materials, including

                                                                                       water vapour, nitrogen gas,

     Metals, alloys,                                                                   amorphous silicon, and silicate


     many ceramics and                                                                 glass, have short-range order.

     some polymers

     have a regular

     ordering of atoms                                                                   O


     and ions that                                                                        Si

     extends through the

     material.                                                                                                                          126




                                                    Politeknik Ibrahim Sultan
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