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Ta (Tantalum)

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Keterangan

     Tantalum is very corrosion resistant due to the formation of an oxide film, but is attacked by hydrogen fluoride and fused alkalis. It has a melting point exceeded only by tungsten and rhenium.

Nama lain (trademark, branding etc.)

Tantalum, Tantal, Tantale, Tantal - r , Tantalio, Тантал, 

Spesifikasi Produk

Overview of Tantalum
Atomic Number 73
Group 5
Period 6
Series Transition Metals
Relative Atomic Mass (12C=12.000)  180.95
Boiling Point 5698K 5425°C 9797°F
Melting Point 3269K 2996°C 5425°F
Density/kg m-3  16654 (293K)
Ground State Electron Configuration  [Xe]4f145d36s2
Electron Affinity(M-M-)/kJ mol-1  -14
Discoverer Anders G. Ekeberg
Discovery Location Uppsala Sweden
Discovery Year 1802
Name Origin From king Tantalus of Greek mythology.

Aplikasi

     Used in metal alloys. Tantalum pentoxide is used in capacitors, condensers, cutting tools, vacuum tube filaments and in camera lenses to increase refracting power.

Bahan Baku

Tantalum is a chemical element with the symbol Ta and atomic number 73. Previously known as tantalium, the name comes from Tantalus, a character from Greek mythology. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion resistant.

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