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CBSE Class 12-science Answered

Why is  the maximum covalency of first elements of each group  in the p block is 4?
Asked by Alekhya K | 16 Jul, 2014, 05:54: PM
answered-by-expert Expert Answer

First elements of each group in the p-block elements shows anomalous behaviour due to:

  • Small size
  • High electronegativity
  • Non-availability of empty d-orbitals

Due to these reasons, compounds of the first elements of each group are highly covalent and show maximum covalency of four.

Answered by Vaibhav Chavan | 17 Jul, 2014, 11:19: AM

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