1 Facts
1.1 Interesting Facts
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
- Thorium metal is used as an alternate option over Uranium for nuclear fuel.
- Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
1.2 Sources
Found in Minerals, Mining
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Jöns Jakob Berzelius
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.5.1 Abundance In Sun
~-9999 %~0.0004 %
1E-08
0.1
1.7.1 Abundance In Meteorites
1.7.2 Abundance In Earth's Crust
1.7.3 Abundance In Oceans
1.7.4 Abundance In Humans