Structure of the Atom - Proton, Neutron, Electron - Atomic Number & Mass Number - [1-2-6]
57:37
The Discovery of Atomic Structure (Chemistry & Physics) - [1-2-5]
1:00:11
What is the Periodic Table? How are Elements Organized?
41:20
What is Atomic Mass & Mass Defect on the Periodic Table? - [1-2-9]
12:16
7 Outside The Box Puzzles
44:25
Atomic Theory of Matter in Chemistry (Atoms & Molecules) - [1-2-1]
1:42:07
How do Magnets & Magnetic Fields Work?
39:29
The Mole & Avogadro's Number in Chemistry - Definition & Meaning
57:30