United Scientific Sodium Chloride Crystal Model
$56.75
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Ball-and-spoke structural model of the unit cell of a sodium chloride crystal, NaCl (table salt). Permanently mounted on a clear square acrylic base. Clearly shows the two interpenetrating face centered cubic lattices of sodium and chloride ions. The model contains 27 balls, each 22mm in diameter. Dimensions: cube side 14cm, overall height 18cm.
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