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From course:

P- BLOCK ELEMENTS

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Question:

WHY boron forms covalent bonds not ionic

Author: INTP



Answer:

DUE TO SMALL SIZE OF BORON, THE SUM OF ITS THREE ENTHALPIES OF IONIZATION IS VERY HIGH, WHICH PREVENTS IT FROM MAKING B+3 ION AND HENCE, IT CAN FORM BONDS ONLY THROUGH SHARING


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INTP
INTP