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Covalent Bonding

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The sum of the number of lone pairs of electrons on each central atom in the following species is:

TeBr62,BrF2+,SNF3 and XeF2

 [At. Nos. N=7,F=9,S=16,Br=35,Te=52,Xe=54 ] 


TeBr62 One lone pair. BrF2+Two lone pairs. SNF3 Nil lone pair. XeF2Three lone pairs. 

Geometry of central atom in SNF3 is:


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