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     If we can determine the number of electrons associated with an atom in
a molecule, which we call the gross atomic population N(k), then the charge
carried by the atom (qk) is its atomic number Zk less its population
                           qk £½ Zk£­ N(k)
        As there is no operator that produces the ¡°atomic population,¡± it is not an observable and so the procedure for computing N(k) is arbitrary.
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