1 Facts
1.1 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).
1.2 Sources
Found in Minerals, Mining
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Charles Hatchett
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.4 Abundance In Sun
~-9999 %~0.0000004 %
1E-08
0.1
2.3.1 Abundance In Meteorites
2.5.2 Abundance In Earth's Crust
2.6.5 Abundance In Oceans
2.7.6 Abundance In Humans