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    Ta

    Tantalum

    Transition Metal

    Atomic Number: 73 • Atomic Mass: 180.9500 u • Period: 6 • Group: 5

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d³
    Phase: Solid
    Electronegativity: 1.5
    Hafnium (Hf)Tungsten (W)
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    Occurrence

    Tantalum is found in various natural sources, including minerals, rocks, and the Earth's crust.

    • Earth's crust (2 parts per million)
    • Coltan mineral
    • Tantalite mineral