1. Molecules 3.3

2. Molecules They can have the same atoms or different atoms

3. Molecular Compound

4. Types of Covalent Bonds Each line(s) in a pair of shared electrons
Types of Covalent Bonds Each line(s) in a pair of shared electrons. More bonds = stronger bonds

5. Octet Rule Each atom has 8 valence electrons

6. Exceptions to the Octet Rule

7. Hydrogen (exception) Only has a 1s orbital

8. Helium (exception) Only has a 1s orbital

9. Lithium (exception) Only has a 1s and 2s orbitals

10. Beryllium (exception) It only has 1s and 2s orbitals

11. Ionic Compounds

12. Exothermic Reactions

13. Exothermic Reaction graphed

14. Endothermic Reactions

15. Endothermic Reactions graphed

16. Bond Length Energies It is about Optimal distance