| a. N2H4 (hydrazine): |
 |
|
b. sulfur dioxide: |
 |
1. (4 pts) Draw an accurate Lewis structure
for the following
molecules, including all nonbonded
electron pairs and formal
charges.
| a. N2H4 (hydrazine): |
|
|
b. sulfur dioxide: |
|
2. (4 pts) For the following structures, fill in unshared electron pairs as necessary so that every atom has a complete octet of valence electrons, then assign formal charges as appropriate.
3. (2 pts) Using the symbols
d+
and d-,
show the direction of polarity
in each bond below.
| d+ C--Cl d- | d+ N--F d- | d- S--Si d+ | d- C--Li d+ |