Chem 132-02 Exercise 12.15 What are slicates? o sacates are extended arays orsun

Question

Chem 132-02 Exercise 12.15 What are slicates? o sacates are extended arays orsunurandoggen They he most common network cowalematomi solts O Sacates are edendes amays of sloon nitrogen They are the most common network covalent atomic solts O sacates are extended arrays of shoonandoygen They are teleast Dommoe net orkiene selds. Part B What is quartz? O Quartz is a tetrahedron sunounded aystaline saiate where each Si atom is ha O Quartz a aystaline sicate where each Si atomisina O Quartz is a Gntalne where each O Quartz is a

Explanation / Answer

12.15

A) silicates are extended array of Silicon and oxygen. They are one of the common network covalent solid.

The basic structural unit of silicates is tetrahedral SiO4^4-.

B) quartz is a crystalline silicate where each Si atom is surrounded by 4 oxygen atoms and each oxygen atom join corner of two tetrahedron.

It is formed by basic silicate unit SiO4^4- where each oxygen atoms are shared

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