Facts About Bohrium and Promethium
Interesting Facts
- Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
Sources
Found in Minerals, Mining, Synthetically Produced
Found in Minerals, Mining
Who Discovered
Gesellschaft für Schwerionenforschung
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Discovery
In 1981
In 1942
Abundance In Meteorites
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Abundance In Earth's Crust