Carl Young


Thorium is a radioactive element with the atomic number of 90. It is a silvery white metal that is mined all over the world for nuclear energy. It can also tarnish in air.
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  • Discovered by Jons Berzelius in 1829 in Sweden.
  • Named after the Scandinavian God of War.

Atomic Weight

  • Thorium's atomic weight is 232.03806

The Periodic Table & Thorium

  • On most periodic tables, Thorium is colored green
  • Its atomic number is 90
  • It is classified as a metal
  • It is in the Actinoid Family
  • On the periodic table Thorium's color is green


  • Thorium is not found in humans.


  • Thorium in found all over the world in the Earths crust and mined in a type of sand called monazite sand, a mixture of calcium, cerium, thorium, and other rare earth metals.


  • Thorium is used for Nuclear power


  • Boiling point: 8708 degrees Fahrenheit
  • Melting point: 3182 degrees Fahrenheit
  • Non-Magnetic
  • Radioactive

Interesting facts!

  • There is a Thorium powered car that can run on 8 grams of Thorium for 100 years!
  • Thorium is named after Thor! The Scandinavian God of War.