Facts About Promethium and Niobium
Facts
Interesting Facts
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
- Niobium metal was used to get called Columbium in past.
- Niobium metal found freely in nature (abundance).
Sources
Found in Minerals, Mining
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
History
Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Charles Hatchett
Discovery
In 1942
In 1801
Abundance
Abundance In Universe
Not Available
2 * 10-7 %
22
Abundance In Sun
~-9999 %
~0.0000004 %
23
Abundance In Meteorites
Not Available
0.00 %
35
Abundance In Earth's Crust
Not Available
0.00 %
25
Abundance In Oceans
Not Available
0.00 %
34
|
||
|
||
|
