1 Facts
1.1 Interesting Facts
- Naturally occurring minor elements include Cadmium.
- Cadmium is released into atmosphere to control volcanic eruption and forest fires.
- It is used for electroplating of Steel for corrosion resistance.
- It can absorb neutrons and used in nuclear reactor to control atomic fission.
- 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 As a By-product, Found in Minerals, Mining
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Karl Samuel Leberecht Hermann and Friedrich Stromeyer
Jöns Jakob Berzelius
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
2 * 10-7 %3 * 10-4 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.0000006 %~0.0004 %
1E-08
0.1
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans