Facts About Thulium and Fermium
Interesting Facts
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
- Fermium metal is highly radioactive in nature.
- Fermium is synthetically produced metal.
Sources
Found in Minerals, Mining, Ores of Minerals
Bombarding Pu-239 with Neutrons
Who Discovered
Per Teodor Cleve
Lawrence Berkeley National Laboratory
Discovery
In 1879
In 1952
Abundance In Earth's Crust