A short history of the periodic table
16:53
Valence Electrons and the Periodic Table
16:40
I never understood why you can't go faster than light - until now!
20:57
Are there Undiscovered Elements Beyond The Periodic Table?
1:19:27
The man who tried to fake an element
14:05
Why is All Life Carbon Based, Not Silicon? Three Startling Reasons!
17:15
All Chemistry Explained in 17 Minutes
1:25:34
Investigating the Periodic Table with Experiments - with Peter Wothers
7:42