1. Review of Lewis Dot Diagrams

2. PCl3
Polar Covalent

3. NH3
Polar Covalent

4. H2O
Polar Covalent

5. CaO
Ionic

6. H2S
Polar Covalent

7. HCl
Polar Covalent

8. Br2
Nonpolar Covalent

9. Na2S
Ionic

10. H2O2
Polar Covalent

11. HCN
Polar Covalent

12. NI3
Polar Covalent

13. O2
Nonpolar Covalent

14. Investigation of Intermolecular Forces-Introduction
Make a list of words using the prefix “inter”and a list of words using the prefix “intra”.
Inter (between)
Intra (within)
Intercoastal
Intramural sports
Interstate highway
Intravenous
Intermediate
Intracellular
Intercollegiate sports
Intracranial
Intercontinental
Interchangeable

15. Define the terms intermolecular and intramolecular forces
Intermolecular forces-forces of attraction that exist between molecules
Intramolecular forces-forces of attraction that exist within molecules

16. Which type of force do you think is stronger? Explain
In your groups, discuss this question and come up with an answer.
Complete the remainder of the activity with your group members.