p-block Elements


 

p-block Elements logoSubject: Chemistry    Exam: CMC Vellore

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Important Points

Inert pair effect is defined as the tendency of s-electrons to remain together or the reluctance of s-electrons to participate in a reaction.
P-block element consists of 13 and 14 group species. Group 13 consist of namely Boron, aluminium, gallium, indium, thallium. Aluminium is most abundant of these elements.
Group 13 is Boron family and group 14 is Carbon family.
The phenomenon of existence of different forms of an element is called allotropy.
The relative strengths of trihalides of B as Lewis acids have been determined by measuring their heats of formation as well as by studying their infrared spectra. The result of these studies is: BF3
 
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