Periodic Table of the Elements: Thulium

Related article: Periodic Table of the Elements (table)Periodic Table of the Elements
(showing atomic number and atomic symbol; click on atomic symbol for more detailed information)

Groups                                  
..... Click the link for more information.

Periodic Table of the Elements: Thulium
Atomic Number:69
Atomic Symbol:Tm
 Thuliumthulium
[from Thule, an ancient name for Scandinavia], metallic chemical element; symbol Tm; at. no. 69; at. wt. 168.93421; m.p. about 1,545°C;; b.p. 1,947°C;; sp. gr. 9.3; valence +3. Thulium is a soft, malleable, ductile, lustrous silver-white metal.
..... Click the link for more information.
Atomic Weight:168.93421
Electron Configuration:2 · 8 · 18 31 · 8 · 2
Encyclopedia browser ?
Full browser ?