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The Element Tantalum - Basic Physical and Historical Information ... The issue was finally settled in 1866 when, Jean Charles Galissard de Marignac, a Swiss chemist, proved that tantalum and niobium were two distinct elements.
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education.jlab.org/itselemental/ele073.html
education.jlab.org/itselemental/ele073.html
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Name: Tantalum ; Symbol: Ta ; Atomic Number: 73 ; Atomic Mass: 180.9479 amu ; Melting Point: 2996.0 °C (3269.15 K, 5424.8 °F) ; Boiling Point: 5425.0 °C (5698.15 K, 9797.0 °F) ; Number of Protons/Electrons: 73 ; ... Tantalum at Chemical Elements.com...
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www.chemicalelements.com/elements/ta.html
www.chemicalelements.com/elements/ta.html
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This WebElements periodic table page contains Essential information for the element tantalum ... Brief description: tantalum is a greyish silver, heavy, and very hard metal. When pure, it is ductile and can be drawn ... Geology: Abundance of elements in the universe; the sun; meteorites; Earth's crust; oceans; and streams...
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www.webelements.com/tantalum/
www.webelements.com/tantalum/
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Comprehensive data on the chemical element Tantalum is provided on this page; including scores of properties, element names in many languages, most known nuclides of Tantalum. Common chemical compounds are also provided for many elements.
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environmentalchemistry.com/yogi/periodic/Ta.html
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Discovered : by A.G. Ekeberg in 1802; Isolated in Uppsala, Sweden; Origin : The element is named after Tantalus, in Greek mythology the father of Niobe. Description : A shiny, silvery metal that is very resistant Image : Tantalum is used in making medical skull plates. Click here to see larger version of this image.
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www.rsc.org/chemsoc/visualelements/pages/tantalum.html
www.rsc.org/chemsoc/visualelements/pages/tantalum.html
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Tantalum - Wikipedia, the free encyclopedia
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Tantalum (pronounced /ˈtæntələm/ , TAN -təl-əm ) (formerly tantalium , tan- TAL -ee-əm ) is a chemical element with the symbol Ta and atomic number 73. A rare, hard, blue-g...
en.wikipedia.org/wiki/Tantalum
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(Gr. Tantalos, mythological character, father of Niobe) Discovered in 1802 by Ekeberg, but many chemists thought niobium and tantalum were identical elements until Rowe in 1844, and Marignac, in 1866, showed that niobic and tantalic acids were two different acids.
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www.radiochemistry.org/periodictable/elements/73.html
www.radiochemistry.org/periodictable/elements/73.html
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Tantalum Element Facts ... Name: Tantalum Symbol: Ta ... Chemical Elements...
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www.chemicool.com/elements/tantalum.html
www.chemicool.com/elements/tantalum.html
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Discovered in 1802 by Ekeberg, but many chemists thought niobium and tantalum were identical elements until Rose, in 1844, and Marignac, in 1866, indicated and showed that niobic and tantalic acids were two different acids.
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www.tamuk.edu/chemistry/WebElements/tantalum_element.ht...
www.tamuk.edu/chemistry/WebElements/tantalum_element.htm
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