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JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Numerical Value Type Questions - Periodic Table & Chemical Bonding

  • question_answer
    The sum of the number of lone pairs of electrons on each central atom in the following species is \[{{\left[ TeB{{r}_{6}} \right]}^{2-}},{{\left[ Br{{F}_{2}} \right]}^{+}},SN{{F}_{3}},\] and \[{{\left[ Xe{{F}_{3}} \right]}^{-}}\] (Atomic numbers: N=7, F=9, S=16, Br=35, Te=52, Xe=54)

    Answer:

    6.00


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