|Origin of Name
||After Thor, the Scandinavian god of
|Date and Place of Discovery
||In 1828 in Sweden
Jöns Jacob Berzelius
- It is not highly radioactive.
- It is found in small amounts in rocks and soils.
- It is about three times more abundant than uranium and about
as common as lead.
- About 25% of the world's thorium is found in India.
- It is a silvery white metal which maintains its luster for several months unless it is
exposed to oxygen and then it eventually turns black.
- It decays very slowly.
- It is being considered as an alternate nuclear fuel to uranium.
- An alloy element with magnesium
- A coating of tungsten wire in electronic equipment
- Tungsten arc welding
- Heat-resistant ceramics
- Fuel cycles in nuclear reactors
- Radiation shields
- Mantles in gas lights
- Glasses with a high refractive index and low dispersion
- Lenses for cameras and scientific instruments
- X-ray diagnostics