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    B

    Boron

    Metalloid

    Atomic Number: 5 • Atomic Mass: 10.8100 u • Period: 2 • Group: 13

    Electron Configuration: 1s² 2s² 2p¹
    Phase: Solid
    Electronegativity: 2.04
    Beryllium (Be)Carbon (C)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Occurrence

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

    • Not found free in nature
    • Present in Earth's crust at about 10 ppm
    • Found in minerals like borax and kernite
    • Major deposits in Turkey and the United States