The Solid State

  • Question
    CBSEENCH12010343

    Copper crystallises with face centred cubic unit cell. If the radius of a copper atom is 127.8 pm, calculate the density of the copper metal.

    (Atomic mass of Cu = 63.55 u and Avogadro’s number NA = 6.02 x 1023 mol-1)

    Solution

    No. of atoms in unit cell, Z = 4

    Radius = 127.8 pm
    Error converting from MathML to accessible text.

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