Thorium


 * Element Name:** Thorium


 * Element Symbol:** Th


 * Atomic Mass:** 232[[image:Thorium_Dominique.png width="216" height="288" align="right"]]


 * Atomic Number:** 90


 * Protons:** 90


 * Electrons:** 90


 * Discovery:** Berzelius in 1828


 * How it was named:** Named for the scandinavian god of the war, Thar.


 * State of matter:** Solid


 * Melting point:** 1,750°c


 * Boiling point:** 4,788°c


 * Characteristics:** - The color is silvery-gold. - It burns incredibly intensely. - Thorium doesn't smell like nothing.


 * Uses of element:** It helps for camera lens.


 * Interesting facts:** - Most of the internal heat of the earth has been attributed to torium and uranium. - When contaminated with the oxide, thorium slowly tarnishes in air, becoming grey and finally black.

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