1. Some questions and their answers appear over multiple slides. The next two slides cover the Lewis Dot structure of tetrafluoroethylene. The 1 st slide asks and answers two questions based on the molecular formula. The slide following that provides the structure.

2. Draw the complete LDS for this compound. How many bonds are in the structure? How many sets of lone pair electrons are in the structure?

4. Some questions and their answers appear over multiple slides. The next two slides cover the Lewis Dot structure of C 2 H 4 O 3. The 1 st slide asks and answers two questions based on the molecular formula. The slide following that provides the structure and some incorrect structures.

5. Draw the complete LDS for this compound. How many bonds are in the structure? How many sets of lone pair electrons are in the structure?

7. The next two slides covers the assignment of formal charges. The 1 st slide asks for the formal charges on a resonance form of sulfuric acid. The slide following that shows the resonance form with the formal charges in their proper locations.

8. What is the formal charge on the O a atoms? What is the formal charge on the O b atoms? What is the formal charge on the S atom? Enter the answer to all 3 sequentially.

10. The next two slides cover the Lewis Dot structure of acetonitrile. The 1 st slide asks and answers two questions based on the molecular formula. The slide following that asks for the correct structure and that of the next most reasonable structural isomer

11. Draw the LDS for CH 3 CN How many bonds are in the structure? How many sets of lone pair electrons are in the structure?

12. Which structure fits this formula best? Excluding b, which is the best LDS for 2 C’s, 3 H’s and 1 N?

13. CH 2 CHCO 2 CH 3 For this formula choose the complete Lewis Dot Structure that is most stable and fits best.

14. Line Structure for the DNA Base Thymine In the complete LDS, how many pairs of lone pair electrons are present?

15. Line Structure for the DNA Base Thymine In the complete LDS, how many C atoms are present?

16. Line Structure for the DNA Base Thymine In the complete LDS, how many H atoms are present?