Periodic Videos | 12: Periodic Table Clock (12 Days of Christmas) @periodicvideos | Uploaded January 2016 | Updated October 2024, 1 week ago.
A periodic table clock.
Final episode in our 12 Days of Christmas, each featuring chemistry gifts received by Sir Martyn during the year.
All the videos in this series appear here as they're released: bit.ly/12_Days_Xmas

All 118 elements: bit.ly/118elements

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