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    Sn

    Tin

    Post Transition

    Atomic Number: 50 • Atomic Mass: 118.7100 u • Period: 5 • Group: 14

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p²
    Phase: Solid
    Electronegativity: 1.96
    Indium (In)Antimony (Sb)
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    Occurrence

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

    • 49th most abundant element in Earth's crust (2 ppm)
    • Rarely found as native metal
    • Main ore is cassiterite (tin dioxide, SnO₂)
    • Major deposits in China, Indonesia, Peru, Bolivia, and Brazil
    • Small amounts present in certain granite formations