Write simple valence bond wave functions for formationof bonds between C and H atoms. What C-H compounddoes the VB model predict? What geometry does it predictfor the molecules?

How many sigma bonds and pi bonds are there in the aniline molecule, depicted below? H. H- -NH2 H. O nine sigma bonds and three pi bonds O fourteen sigma bonds and six pi bonds O eleven sigma bonds and three pi bonds O fourteen sigma bonds and three pi bonds O None of the above OOo O o

1. Write the Lewis structures for the following substances:BoronPhosphorusBerylliumMagnesium 2. Write the Lewis structures for the following substances:For Carbon monoxideFor carbon tetrachlorideFor a compound formed by oxygen and aluminum atoms.For a compound formed by atoms of calcium and chlorine

Consider the Lewis structure shown below.(a) Does the Lewis structure depict a neutral molecule or anion? If it is an ion, what is the charge on the ion? (b) What hybridizationis exhibited by each of the carbon atoms? (c) Arethere multiple equivalent resonance structures for the species?(d) How many electrons are in the p system of the species?

mog nintmoh noials orlt 2 tedW ol ( bude elval et ainqonqqe toren art werd.V Sologib a sver palom 3. Draw the most appropriate Lewis structure(s) for the ion BH,. What is the electron domain geometry and the molecular geometry? Does the molecule have a dipole?

property that will be different in the followin 1) Identify One geometry iso-electronic molecules (iso-electronic compounds based on electrons). molecolar have the same number of valence a) (F. Br and Cfrr 4 b) OCS and CO₂ # dias 1 Sport 10 HA L P dow

For NO3-: 1. Draw the Lewis Diagram 2. electron group geometry AND molecular geometry drawings & names 3. bond angle(s)? polar? resonance?

9b. Evaluating the C-C-C structure Measured bond angle VSEPR Idealized bond angle 111.7 109.5 C-C-C H-C-C (center C is the middle C in the structure) 110.9 109.5 9c. Are these results for C-C-C structure consistent with what you observed in Avogadro (within a few degrees)? Explain briefly.

Molecule or Polyatomic HOCI NO₂ N₂H4 H₂O₂ Hint: the oxygens are connected (CH3)2NH Lewis structure H¬O—CI: | : 0=N–6: H-N-N-H H H H-0-0-H H H H-C-N -C-H .. HHH Hybrid- ization AXE 3 sp AX₂E2 2 sp² AX₂E 3 sp³ AX3E 3 sp AX₂E2 3 AX3E Electron pair geometry Molecular shape tetrahedral bent trigonal planar bent tetrahedral trigonal pyramidal tetrahedral bent tetrahedral trigonal pyramidal Bond angles ~109.5° ~109.5° all ~109.5° all ~109.5° all ~109.5° Bond Polarity Molecular Polarity if the molecule is polar, add a dipole arrow if not polar, state so and why H H H²O-OH Н H H" H H H Н Cl H 'H H

4. Hybridization. Give the best Lewis structure (including formal charge on atoms), VESPR geometry, and hybridization of the indicated atom in the following molecules (sp, sp², sp³ sp³d, sp³d²). Formula: NO Bro PCl, Lewis Structure: sdi al (d VESPR electron group geometry: loh atwollot ses hebiveig od l ntvihsto Hybridization: