Facts About Promethium and Thulium
Interesting Facts
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
Sources
Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Per Teodor Cleve
Discovery
In 1942
In 1879
Abundance In Meteorites
-
Abundance In Earth's Crust