Ultima Thule' took things one stage further - it was the farthest part of Thule. When thulium was named by Per Teodor Cleve in 1879, it was down to a slight misunderstanding of the meaning of thule.

Instead, it’s extracted from dust left over after molybdenum smelting or as a byproduct of copper ... so it may have a future use as a chemotherapeutic agent. Thulium doesn’t have many commercial ...

Molybdenum is a metal in group VI B of the periodic table with atomic number 42, an atomic weight of 95.94, and a density of 10.2 Mg/m 3. It has a melting temperature of 2610 C. The electronic ...

Molybdenum and molybdenum alloys are refractory metal and alloys with a very high melting point (non-alloy 2623 °C) and a low thermal expansion coefficient. They are used to fabricate evaporation ...

" width="1200" height="675" /> 118 Elements and Their Symbols and Atomic Numbers: The periodic table is a well-organized ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more.