Valls
Thulium has 79 shells.
The symbol for tantalum is Ta.
Thulium is a rare earth metal and does not have a discernible odor in its pure form. It is not known to produce any strong or distinctive smells.
Thulium is a solid at room temperature and pressure. It is a rare earth metal with a silvery appearance.
Thulium is named after the ancient name for Scandinavia, Thule. This element was discovered in 1879 by Swedish chemist Per Teodor Cleve.