Who REALLY invented the periodic table?
17:08
Accidents and Regrets (and chocolate biscuits)
14:35
Hafnium - Periodic Table of Videos
1:25:34
Investigating the Periodic Table with Experiments - with Peter Wothers
14:54
How to make TWO ATOMS (and the path to element 120) - Periodic Table of Videos
18:07
Can We Create New Elements Beyond the Periodic Table?
13:28
Alternative Periodic Table
13:10
Black Nitrogen - Periodic Table of Videos
11:15