Thorium

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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.