Entire playlist, from bottom     Entire playlist, from top     sort by date    click to show shorts
video thumbnail 3:36
Ytterbium - Periodic Table of Videos

2009-01-19

details
uploader channel thumbnailPeriodic Videos
video thumbnail 4:07
Yttrium - Periodic Table Videos

2009-06-01

details
uploader channel thumbnailPeriodic Videos
video thumbnail 5:35
Erbium - Periodic Table of Videos

2009-04-17

details
uploader channel thumbnailPeriodic Videos