What is an Atom ?
18:53
Modern Periodic Table
1:12:19
Bohr's Atomic Model
6:43
How Scientists Discovered Atoms?
15:34
Why is the Sky Blue? | Scattering of Light
12:23
Mole Concept
12:10
Energy Levels, Energy Sublevels, Orbitals, & Pauli Exclusion Principle
30:31
The Basic Structure of the Atom | Chemistry and Our Universe: How it All Works
13:57