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Home > All Images > 1997 > August > 14 Aug 1997

Images Dated 14th August 1997

Choose from 6 pictures in our Images Dated 14th August 1997 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Sodium chloride cubic crystal Featured 14 Aug 1997 Image

Sodium chloride cubic crystal

Sodium chloride. Computer graphic of crystallised common salt (sodium chloride), showing a crystal plane (at left) which forms part of sodium chloride's cubic crystal (at right). Small spheres represent positively-charged sodium ions, and large spheres are negatively-charged chloride ions. Sodium chloride crystals consist of rows of such planes, each arranged so that the chloride ion in one plane fits over the sodium ion in the one beneath it. Each positive ion therefore has six negatively-charged nearest neighbours, and vice versa. The electrostatic attraction holding these nearest neighbours together makes the crystal strong but brittle