Atoms vs. Ions Overview - 19:51

Anatomy of the Atom - 27:34

The Periodic Table - 29:57

The Elements - 25:11

Discovering Inside the Atom - 32:04

Developing the Atom - 25:37

Particle Theory of Matter - 30:56

Density - 21:08

Introduction to Isotopes - 5:22

Subatomic Particles and Chemical Notation - 6:55

The Atom - 9:14

Dalton vs. Modern Atomic Theory - 5:22

Using Measurements to Describe Matter - 9:58

Physical vs Chemical Properties - 3:53

Physical vs. Chemical Changes - 7:46

Classifying Matter - 6:45