Periodic Table Part 1: Hydrogen
9:48
Periodic Table Part 2: Alkali Metals (Li, Na, K, Rb, Cs, Fr)
12:08
The truth about hydrogen
11:11
Helium - Periodic Table of Videos
1:00:11
What is the Periodic Table? How are Elements Organized?
1:20:30
The explosive history of hydrogen – with Andrew Szydlo
8:42
Quantum Numbers, Atomic Orbitals, and Electron Configurations
3:01:41
Intro to Chemistry, Basic Concepts - Periodic Table, Elements, Metric System & Unit Conversion
7:16