Facts About Chromium and Promethium
Interesting Facts
- Chromium is highly reactive, hence it is not found free in nature.
- Ores of Chromites mineral are the major source of Chromium metal.
- Almost 90% leather tanning is done with the help of chromium.
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Found in Minerals, Mining
Who Discovered
Louis Nicolas Vauquelin
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Discovery
In Between 1797 - 1798
In 1942
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available
Abundance In Humans
Not Available