PPT 1.1
PPT 1.2
PPT 1.3
PPT 2.1
PPT 2.2
PPT 2.3
PPT 2.4
Atom Review Video ~ 2 min
Isotope Video ~ 2 min
Ionic & Covalent Bonding Video ~ 2 min
Properties of Water Video ` 7 min
Acids and Bases Video ~ 4 min.
pH Scale Video ~ 2 min
Macromolecules 2.3 Video ~ 8min
Enzymes Video ~ 5 min