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Some Important Compounds Of Carbon And Silicon
Chapter Name : The P- Block Elements
Sub Topic Code : 102_11_11_09_05
Topic Name : Some Important Compounds Of Carbon And Silicon
Sub Topic Name : Silicates
Introduction

1.A large number of silicates minerals exist in nature. Some of the examples are feldspar, zeolites, mica and asbestos. 2.The basic structural unit of silicates is SiO4 4– in which silicon atom is bonded to four oxygen atoms in tetrahedron fashion. 3.In silicates either the discrete unit is present or a number of such units are joined together via corners by sharing 1,2,3 or 4 oxygen atoms per silicate units. 4.When silicate units are linked together, they form chain, ring, sheet or three-dimensional structures. 5.Two important man-made silicates are glass and cement.

Pre-Requisites:

Elements, periodic table

Activity:

Glass is a silicate

Real Life Question:

What is glass made of?

Key Words / FlashCards
Key Words Definitions (pref. in our own words)
P block elements Have the last electron in the outermost p orbital
Learning aids / Gadgets
Gadgets How it can be used
Glass, cement Both are silicates
Real life uses :

1.Two important man-made silicates are glass and cement. 2.Glass is used for various purposes. 3.Cement is a building material.

Places to visit :

Construction site

Practical examples around us
Examples Explainations
Glass, cement Both are silicates
What you learn in Theory:

1.A large number of silicates minerals exist in nature. Some of the examples are feldspar, zeolites, mica and asbestos. 2.The basic structural unit of silicates is SiO4 4– in which silicon atom is bonded to four oxygen atoms in tetrahedron fashion. 3.In silicates either the discrete unit is present or a number of such units are joined together via corners by sharing 1,2,3 or 4 oxygen atoms per silicate units. 4.When silicate units are linked together, they form chain, ring, sheet or three-dimensional structures. 5.Two important man-made silicates are glass and cement.

What you learn in Practice:

Two important man-made silicates are glass and cement.

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