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    palladium (Pd)

    palladium
    Palladium.
    Image copyright: smart-elements.com
    A white, soft, ductile metallic element in the platinum group, and a transition element. In addition to the general uses of these metals, palladium is used in dental and other alloys. It absorbs 900 times its volume of hydrogen, forming a metallic hydride, and , being permeable to hydrogen at high temperatures, it is used in hydrogen purifiers.

    Palladium was first discovered in 1803, and is found in nickel ores associated with platinum. Its most common isotope is 106Pd (27.3%).


    atomic number 46
    relative atomic mass 106.4
    relative density 11.97
    melting point 1,552°C (2,827°F)
    boiling point 2,927°C (5,301°F)


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