Worksheet 8B: Hybridization and Resonance Structures

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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.