For the following molecules, draw out its Lewis structure, including resonance and nonzero formal charges. Predict the electron-domain geometry, the molecular geometry, and the hybridization of the central atom. For the non-ionic species, say if it will be polar or non-polar. A) SeO₂ B) XeF4 C) PCL5 D) BrF₂

Find the hybrid orbital type for each atom, the carbon-carbon-oxygen bond angle, the molecular geometry of oxygen, and the number of sigma and pi bonds in the molecule.

3. Using the Lewis structure predict the geometrical structures of the following ions and state the hybridization of the central atom. Ion Electron Geometry Molecular Formal Charge Central Atom Geometry of Central Hybridization Atom N3 CO2- NO3- BF4

What molecules have trigonal planar ELECTRON PAIR GEOMETRY A) O3 B) HCl C) ClO3- D)NaCl E)CH2O F) BF3 G) BrF3

What are the angles a and b in the actual molecule of which this is a Lewis structure? Н Н Н Н olb Н Note for advanced students: give the ideal angles, and don't worry about small differences from the ideal that might be caused by the fact that different electron groups may have slightly different sizes. 18 Ar b = ||

Draw the Lewis structure for NH3 . Is the molecule polar or nonpolar? What is the electronic geometry, molecular geometry, and hybridization of nitrogen? Lastly, draw the 3-D structure of the entire molecule.

For each, draw the lewis structure, a 3D Structure including Angles, Electron Pair Geometry, Molecular Geometry, and whether it is "Polar or Non/Polar" A)   SF6 B)   CH2O

9) HCCCO₂H, is an organic hydrocarbon. a) Draw a geometrically accurate structure so that the formal charge of each atom is zero identifying the bond angles (Draw it BIG!). b) Identify the hybridization about each atom (not H) forming a bond c) How many o or π bonds are there in this molecule d) The combustion of the hydrocarbon produces carbon dioxide and water in the gaseous state. Use average bond enthalpies to determine enthalpy of reaction

What are the angles a and b in the actual molecule of which this is a Lewis structure? H H H C H a a = C b = ⁰ C H Note for advanced students: give the ideal angles, and don't worry about small differences from the ideal that might be caused by the fact that different electron groups may have slightly different sizes. H X

Which molecules have an octahedral molecular structure A) SbF6 - B)HCl C) BrF5 D) NaCl E) SnCl6 2-