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    Nd

    Neodymium

    Lanthanide

    Atomic Number: 60 • Atomic Mass: 144.2400 u • Period: 6 • Group: 101

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f⁴
    Phase: Solid
    Electronegativity: 1.14
    Praseodymium (Pr)Promethium (Pm)
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    Physical & Chemical Properties

    Physical Properties

    • •Silvery-white metal
    • •Malleable
    • •Highly magnetic
    Melting Point

    1297 K (1023.85 °C, 1874.93 °F)

    Boiling Point

    3347 K (3073.85 °C, 5564.93 °F)

    Density

    7.007 g/cm³

    Electronegativity

    1.14 (Pauling scale)

    Chemical Properties

    • •Reacts slowly with oxygen
    • •Forms trivalent compounds
    • •Strong reducing agent

    Electron Configuration

    1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f⁴

    Electron configuration describes how electrons are distributed in atomic orbitals, showing how they are arranged in energy levels and subshells.