Home Forums setting the stage solids as quantum systems Definition of a solid

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  • #10290
    vittorio.dibona
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    Macroscopically, a solid substance is one that retains its shape and size without the help of a container. On the atomic scale, a solid is a collection of particles (atoms, ions or molecules) for which their net attractive potential energy is greater than their kinetic energy. This leads to particle packing through interatomic/intermolecular forces or by bond formation. The resulting structures will have a certain degree of order, that can be ideally complete (perfect crystalline solids), totally absent (amorphous solids) or somewhere in between these two limiting cases.

    #10543
    plasm0x
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    Great response.

    #10559
    Eesha
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    great response!!

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