Thorium
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Thorium is a radioactive, naturally occurring chemical element. The symbol for Thorium is Th and it has an atomic number of 90. It was discovered by Morten Thrane Esmark and identified by Jons Jakob Berzelius in 1828. It is named after Thor, the Norse god of war.
| Thorium | |
|---|---|
| Properties | |
| Atomic symbol | Th |
| Atomic number | 90 |
| Classification | Metallic |
| Atomic mass | 232.03806 amu |
| Other Information | |
| Date of discovery | 1829 |
| Name of discoverer | WJöns Berzelius |
| Name origin | Named after Thor, the Norse god of war. |
| Uses | Used in the manufacture of strong alloys and ultraviolet photoelectric cells. Can be bombarded with neutrons to make uranium-233, a nuclear fuel. |
| Obtained from | Found in various minerals like monazite and thorite and dispersed on pegmatite rocks. |