Facts About Cadmium and Thorium
Facts
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.
Sources
Found As a By-product, Found in Minerals, Mining
Found in Minerals, Mining
History
Who Discovered
Karl Samuel Leberecht Hermann and Friedrich Stromeyer
Jöns Jakob Berzelius
Discovery
In 1817
In 1829
Abundance
Abundance In Universe
2 * 10-7 %
22
3 * 10-4 %
9
Abundance In Sun
~0.0000006 %
21
~0.0004 %
9
Abundance In Meteorites
0.00 %
31
0.05 %
11
Abundance In Earth's Crust
0.00 %
99+
0.66 %
7
Abundance In Oceans
0.00 %
28
0.00 %
15
Abundance In Humans
0.00 %
11
Not Available
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