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    Ni

    Nickel

    Transition Metal

    Atomic Number: 28 • Atomic Mass: 58.6930 u • Period: 4 • Group: 10

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸
    Phase: Solid
    Electronegativity: 1.91
    Cobalt (Co)Copper (Cu)
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    Occurrence

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

    • 24th most abundant element in Earth's crust (0.009%)
    • Large deposits of nickel ore in Australia, Indonesia, South Africa, Russia, and Canada
    • Main ore minerals include pentlandite and garnierite
    • Significant component of meteorites (up to 20% in iron meteorites)
    • Believed to be abundant in Earth's core