II. Short Answer 1. A. CO2 B. NO2 C. NH2CI Best Lewis Structure (show all electrons and bonds) has lowest FC. Show all nonzero FCs. Hybridization on central atom e geometry Molecular geometry Approx. Bond angles Polar or non-polar (don't worry about ions) Number of o bonds Number of n bonds Total lone pairs in the entire molecule Number of nonbonding electron pairs on the central atom

For PH4+, what is.... 1. # of Valence Electrons 2. # of electron groups 3. # of lone pairs 4. Type of electron group geometry and it's drawing  5. Type of molecular geometry and it's drawing 6. Bond Angle(s) 7. Polar? 8. Resonance?

Chemistry 162 К. Маrr Lab 3 Report Sheet Lewis Structures & Model Building Name Team No. Date Section Experimental Results Part 1 - Simple Organic Compounds Table 1. Lewis structures & functional group ID of simple organic compounds Lewis Structure Formula (Identify the functional groups) H Ехample: HAldehyde Carboxylic- Acid IC C;H,O3 H- 1. CH;CI 2. CH2O 3. СН.О2 4. СН2 5. C3H60 Page 5 of 7

Atom A has 4 valence electrons. Atom Z has 6 valence electrons.  For the AZ3-2 ion, answer the following questions about its Lewis dot structure (drawn according to Chm 130 guidelines).  a. How many valence electrons are in the structure? b. How many single bonds are in the structure? c. How many double bonds are in the structure? d. How many triple bonds are in the structure?                                  e. How many lone pairs are on the central atom in the structure?                                f. What is the shape of the structure?                                 g. What are the bond angles of this ion?