Thorium Element Cube

Thorium Element Cube

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  • Made In USA
  • 2x2x2 inches
  • Thoriated Metal (4% Thorium in Tungsten) Sample

Thorium's atomic number is 90 and its symbol is Th. Thorium is silvery and tarnishes black when it is exposed to air, forming thorium dioxide; it is moderately soft, malleable, and has a high melting point. All known thorium isotopes are unstable. The most stable isotope, 232Th, has a half-life of 14.05 billion years, or about the age of the universe

Thorium was discovered in 1828 by the Norwegian amateur mineralogist Morten Thrane Esmark and identified by the Swedish chemist Jöns Jacob Berzelius, who named it after Thor, the Norse god of thunder. Some uses for thorium include heat-resistant ceramics, aircraft engines, and in light bulbs.

This display is contained within crystal clear lucite acrylic.