Facts About Promethium and Holmium
Interesting Facts
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
- Holmium metal is very soft and malleable.
- Holmium metal is well known for its corrosion resistivity.
Sources
Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Marc Delafontaine
Discovery
In 1942
In 1878
Abundance In Universe
Not Available
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available