PURPOSE: To draw the Boxes and Dot structure of some molecules, make their models, and sketch all.

Atom colors: Red = Oxygen; Black = Carbon; Yellow = Hydrogen; Green = Fluorine; Purple = Chlorine; Blue = Nitrogen.

For each molecule: A. On scratch paper draw the Boxes and Dots to get the layout. B. Draw a neat Boxes and Dots on this paper. C. Make the molecule with the models. D. Sketch the model.

1. H₂

2. O₂

3. N₂

4. H₂O

5. CH₄

6. CF₄

7. NH₃

8. C₂H₃F₃ (single bond)

9. C₂H₂F₂ (double bond)

10. C₂HCl (triple bond)

11. Make up one of your own.

Critique: