TOPIC: 1. Covalent Bonding

SUBTOPIC:  10. Lewis Structures

 

1. Draw the best Lewis structure for the following compounds. Show bonds with lines. Show all lone pairs and formal charges.

 

(a) nitrate anion, NO3

 

(b) diazomethane, CH2N2

________________________________________________________________________________________________

 

____________________________________________________________

 

2. Write the Lewis structure for each of the following showing all lone pairs and formal charges.

 

(a) ozone, O3

 

(b) nitric acid, HNO3

____________________________________________________________

 

____________________________________________________________

 

3. Draw the best Lewis structure for the following compounds. Show bonds with lines. Show all lone pairs and formal charges.

 

(a)  nitrogen, N2

 

(b) formaldehyde, H2CO

____________________________________________________________

 

____________________________________________________________

 

4. Draw the best Lewis structure for the following compounds. Show bonds with lines. Show all lone pairs and formal charges.

 

(a)  oxygen, O2

 

(b) formaldehyde imine, H2CNH

 

(c)  sulfite anion, SO3-2

____________________________________________________________

 

____________________________________________________________