# Worksheet 8B: Hybridization and Resonance Structures


Complete the following table for the indicated substances (Electronegativities: Na = 0.9, N = 3.0, O = 3.5, F = 4.0, Cl = 3.0, Br = 2.8, I = 2.5)

 Chemical $$SO_2$$ $$C_2H_4O_2$$ $$ICl_5$$ $$NaBrO_3$$ a) Draw the best Lewis structure(s), resonances, and structural isomers if any with octet b) Include formal charges of all atoms that are non-zero c) Indicate polar bonds with dipole arrows toward the more electronegative name electronic geometry around central atom identify hybridization for center atom name molecular geometry around central atom show 3-D sketch with atoms & bonds in it Identify all bond angles How many $$\sigma$$ bonds? How many $$\pi$$ bonds? is it an ionic compound, polar or nonpolar molecule or an ion? Draw the VB hybrid resonance picture

Complete the following table for the indicated substances (Electronegativities: Na = 0.9, N = 3.0, O = 3.5, F = 4.0, Cl = 3.0, Br = 2.8, I = 2.5)

 Chemical $$SCN^{-1}$$ $$I_3^{-1}$$ $$SF_6$$ $$K_2SO_3$$* a) Draw the best Lewis structure(s), resonances, and structural isomers if any with octet b) Include formal charges of all atoms that are non-zero c) Indicate polar bonds with dipole arrows toward the more electronegative name electronic geometry around central atom identify hybridization for center atom name molecular geometry around central atom show 3-D sketch with atoms & bonds in it Identify all bond angles How many $$\sigma$$ bonds? How many $$\pi$$ bonds? is it an ionic compound, polar or nonpolar molecule or an ion? Draw the VB hybrid resonance picture

* Answer all questions except the first row fo the $$SO_3^{-2}$$ ion.

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