How many cl- ions are in contact with any single na+ ion
Sodium chloride, NaCl, crystallizes in a face-centered cubiclattice of chloride ions, with the smaller sodium ions occupyingholes between the chloride ions. How many Cl- ions are in contact with any single Na+ ion?
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(a) prove that the total momentum of the system is zero (b) prove that the total angular momentum of the system (Lem) is independent of the choice of origin
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