Transcription of THE p -BLOCK ELEMENTS
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THE p -BLOCK ELEMENTS
307 C:\ChemistryXI\Unit-11\Unit-11-F\Unit-11 (reprint).pmd, Reprint p -BLOCK ELEMENTSUNIT 11 After studying this unit, you will beable to appreciate the general trends in thechemistry of p -BLOCK ELEMENTS ; describe the trends in physical andchemical properties of group 13 and14 ELEMENTS ; explain anomalous behaviour ofboron and carbon; describe allotropic forms of carbon; know the chemistry of someimportant compounds of boron,carbon and silicon; list the important uses of group 13and 14 ELEMENTS and p - block ELEMENTSIn p -BLOCK ELEMENTS the last electron enters the outermostp orbital.
It is interesting to note that the non-metals and metalloids exist only in the p-block of the periodic table. The non-metallic character of elements decreases down the group. In fact the heaviest element in each p-block group is the most metallic in nature. This change from non-metallic to metallic character brings diversity
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