Extra videos
--
Molecules
--
Our YouTube Channel
--
Sixty Symbols (physics)
--
Numberphile (maths)
--
Facebook
--
Twitter
--
Email
Cobalt
Chromium
Actinium
Nickel
Helium
Flyorov
You can now support us on Patreon - choose your element!!!
ELEMENT:
Thulium
SYMBOL:
Tm
ATOMIC NUMBER:
69
Previous element
Home
Next element
Oganesson
Brady's rgnt
VX Pt1
Tennessine
Taj Mahal
Acid/Alkali
Hand Warmer
Bags of H
PTOV is created by video journalist Brady Haran working with chemists at The University of Nottingham