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    Mg

    Magnesium

    Alkaline Earth

    Atomic Number: 12 • Atomic Mass: 24.3050 u • Period: 3 • Group: 2

    Electron Configuration: 1s² 2s² 2p⁶ 3s²
    Phase: Solid
    Electronegativity: 1.31
    Sodium (Na)Aluminum (Al)
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    Occurrence

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

    • Eighth most abundant element in Earth's crust (2.1%)
    • Third most abundant element dissolved in seawater
    • Found in minerals such as magnesite, dolomite, and carnallite
    • Essential element for all living organisms