Ch # 3 Group III A and Group IV A Elements Short Question
The elements of group IIIA of the periodic table consists of boron, aluminium, gallium indium and thallium. The small size and high nuclear charge make boron non-metallic while all the other elements of this group are metals. The abrupt increase in metallic character from B to Al is associated with the increased size of aluminium atom …………….
- Group IIIA Elements.
- Compounds of Boron.
- Reactions of Aluminium.
- Group IVA Elements.
- Compounds of Carbon and Silicon.
- Uses of Lead Compounds in Paints.
In this chapter you will learn:
- The names, electronic configurations and occurrence of IIIA and IVA group elements.
- The peculiar properties of boron and carbon in their respective groups.
- The preparation and properties of borax and orthoboric acid.
- The reactions of aluminium.
- Structures and properties of oxides of carbon and silicon, silicates, silicones and their uses.
- The uses of silicon and germanium in semi-conductor industries and lead in paints.
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