Jester,+Dominic

=__ Thorium __ -Th = = = Element Name: Thorium Symbol: Th Atomic Number: 90 Atomic Weight: 232.04 Protons: 90 Neutrons: 142 Electrons: 90 Melting Point: 2115 Boiling Point: 5093 Valence Electrons: 2 Cost or Value: $50/Kg How, When and Who Discovered: 1828, By Berzelius, It was given to him as a mineral Electron Configuration:[Rn] 6d27s2 Orbital Notation: Density:11.72 Mined: Found in large deposits in the U.S. and elsewhere. Chemical and Physical Properties: Industrial or Commercial Uses: Preparation of the “Welsbach Mantle” used for portable gas lights The Mantles consist of Thorium oxide.

Chemical and Physical Properties: Physical Properties Chemical Properties

Melting Point: 2115 K

Boiling Point: 5093 K

Density of Solid: 11.724

Compounds: Thorium Dihydride- ThH2

Thorium Trifluoride- ThF3

Thorium Tetrafluoride- ThF4

Commercial Use: It is used as a foil Two Common Chemical Reactions: Thorium is slowly attacked by water but violently When heated with are Thorium Turns ignite and burns brilliant with bright white color

Unusual Fact: Thorium was named after the Scandanavian God of War, Thor Thorium In Pure State Citations: [|www.webelements.com] [|Copyright]1993-2012 Created By: [|Mark Winter] 2. The Photographic Periodic Table Of Elements [|www.periodictable.com] WolfRam Reasearch 2012 Created By: Mathematica 3. Chemicool [|www.chemicool.com] Copyright © 2012 Created By:David D. Hsu
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