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jessicaTANTALUM
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 GeneralName : Tantalum.Symbol : Ta Atomic Number : 73 Discovered : 1802 | 
|  StatesState : SolidMelting Point : 3,269.2 K Boiling point : 5,807 Heat of Fusion : 31.60 kJ Heat of Vaporization : 743.0 kJ | |||||
 Tantalum is an extremely hard metal that can withstand corrosion very well. |  Tantalum oxide is used in camera lenses. |  Tantalum was discovered in 1802 by Anders Gustaf Ekeberg. . . | |||||
 . . . But many chemists thought niobium and tantalum were identical elements until. . . |  . . .Rose, in 1844, and Marignac, in 1866 showed that niobic and tantalic acids were two different acids. |  Type your photo caption or credit here. |
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, Oct 19 2006, 1:57 PM EDT
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